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AMD Ryzen 9 7950X


A multi-threading monster of a computational CPU, hitting clock speeds we may solely beforehand get close to by way of severe overclocking. It is also acquired an Eco Mode that delivers cool-running efficiency even in video games, although it is within the body fee battle the place Zen 4 falls down towards the present greatest Intel chips.


  • Monstrous multithreading efficiency
  • $100 lower than 5950X
  • Eco mode bangs
  • 5.9GHz?!

In opposition to

  • Do you want a 16-core CPU?
  • Struggles in gaming towards Alder Lake
  • The place’s the true X3D gaming chip?
  • Scorching. Or is it?

The AMD Ryzen 9 7950X is the vanguard for a complete new technology of CPUs and GPUs launching in these subsequent few months. However, regardless of its many advances, a complete new AM5 motherboard platform, and glossy new heatspreader design, this is not the greatest gaming CPU (opens in new tab) we have been hoping for.

I imply, it is good. And positively smashes the 16-core Ryzen 9 5950X (opens in new tab) from the Zen 3 technology, however this Zen 4 chip has a resurgent Intel CPU structure to take care of in Alder Lake. And that is getting its personal Raptor Lake replace within the coming weeks, too.

However we have come a good distance (child), and it has been a gradual highway from the heady occasions of 2017, when AMD launched its very first AMD Ryzen processor. Closing the hole on Intel’s efficiency lead was solely a part of the puzzle for its burgeoning line of Zen architectured CPUs; consistency was at all times the watchword. AMD knew then the long-term success of its new processor line, whether or not in our gaming PCs, laptops, or in datacentres the world over, was all the way down to delivering on its guarantees technology after technology.

And it is laborious to argue that AMD hasn’t carried out precisely that within the years since its inception. Every successive CPU technology has constructed on these preliminary Zen foundations, confidently pushing the structure to larger efficiency ranges, and with extra expansive specs lists. And it is carried out so on an everyday cadence, just about precisely when and the way it stated it might.

Delivering on its guarantees is what’s put AMD within the place it is in now—threatening Intel on all fronts. And, at a time when Intel has been struggling to ship what it promised, that is cemented AMD’s place. 

The brand new Ryzen 9 7950X is an evolution of the Zen 3 design, and is directly a brute of a processor, operating on the ragged fringe of its thermal constraints, and but with an impressively elegant design. Even on the surface. 

Yeah, I will say it, I really like that new heatspreader look. 

However it’s nonetheless not the processor I would decide up right this moment and there is a likelihood it would get savaged on the market for being extra of a spinoff than a revolutionary CPU. There is no spectacular new tech on show, no vertically bonded cache chips, no additional cores, only a wholesome clock velocity bump, some finessed microarchitecture, and a brand new socket.

Zen 4 structure and spec

AMD Ryzen 9 7950X CPU

(Picture credit score: Future)

Ryzen 9 7950X spec

AMD Ryzen 9 7950X CPU

(Picture credit score: Future)

Cores: 16

Threads: 32

Socket: AMD AM5

CCD lithography: TSMC 5nm

CCD die measurement: 70mm²

CCD transistor rely: 6.5 billion

IOD lithography: TSMC 6nm

IOD die measurement: 122mm²

IOD transistor rely: 3.4 billion

Max increase clock: 5.7GHz

Base clock: 4.5GHz

L2 cache: 16MB

L3 cache: 64MB

Reminiscence help: DDR5-5200 (non-OC)

TDP: 170W

Value: $699

At its most elementary stage, the Ryzen 9 7950X is a straight 16-core, 32-thread CPU, packing a pair of eight-core compute chiplets along with an I/O die to get all the info into and out of the processor bundle. 

However although Zen 4 is a spinoff structure constructed from Zen 3 (opens in new tab), there are some basic variations. Firstly, it is constructed on a brand new course of node from its long-time TSMC foundry accomplice. The eight-core chiplet (CCD) is constructed on the 5nm lithography whereas the I/O die (IOD) has shifted to a 6nm node. 

The transfer from 7nm to 5nm might not be enormous—although it’s actually delivering a extra environment friendly chip on the entire—however going from the 12nm IOD of Zen 3 to a brand new 6nm model is. And arguably the largest adjustments have really been made in there on the platform stage, slightly than within the new Zen 4 CCD. 

AMD has made the transfer to a DDR5 reminiscence controller, and it is also popped PCIe 5.0 help in there too. That offers you an identical quick reminiscence as Intel’s Alder Lake platform, however with a brand new technology interconnect that may supply enormous bandwidth alternatives for future graphics playing cards and next-gen SSDs. Which will not be right here till November, however hey, the brand new AM5 platform is prepared at the very least.

AMD Zen 4 architecture

(Picture credit score: AMD)

However, for the primary time outdoors of its APU vary, AMD can be packing built-in graphics into its chips, into the IOD. That is current-gen GPU know-how dropping into all of its Ryzen 7000-series CPUs. Earlier than you get too excited, nevertheless, AMD has been at pains to level out that is largely simply to maintain the lights on to your monitor with out a separate GPU. It is also there to assist promote into the company Dell field world Intel has dominated as a result of most firms don’t need discrete graphics playing cards of their workplace methods.

It is too distracting for the workforce. Or one thing. 

No matter, there are a pair of RDNA 2 compute models in there, which do not even get to function within the chip’s reviewer’s information. It would not even seem on the important specs checklist of any of the Ryzen 7000-series processors; it is that irrelevant outdoors the corpo world.

Until your GPU dies, after all, and it’s essential to get your PC up and operating whether or not it may well recreation or not, till you remortgage the youngsters so you possibly can afford a brand new RTX 4090 (opens in new tab). However it does have one different probably helpful function: Hybrid Graphics. 

It is mainly like a gaming laptop computer, the place more often than not the show is definitely linked to the CPU’s built-in graphics, and the beefy discrete GPU solely kicks in when a recreation is performed or one thing else in want of graphics {hardware}. Sure, now you can plug immediately into the motherboard and nonetheless recreation in your highly effective graphics card.

As a PC gamer, you most likely should not do this, although, as a result of it does have an effect on the gaming efficiency of your system. To an impressively negligible extent, I’ve to confess given what it is doing. At its very worst I noticed a ten% drop at 1080p body charges, however typically, it was round 3–5% down. That is not dangerous, however nonetheless probably not price it if you happen to’re chasing the best body fee you possibly can squeeze out of your gaming rig.

AMD Zen 4 architecture

(Picture credit score: AMD)

Over in that 5nm CCD, there have been another adjustments made. It is primarily the identical core structure as Zen 3, with the identical 32MB L3 cache catering to an eight-core complicated. To get to its 16-core make-up the Ryzen 9 7950X comes with a pair of these compute dies, every holding eight cores and a complete of 64MB of L3 cache. However there is a doubling of the L2 cache to assist scale back total latency with every core getting its personal 1MB L2 “to supply essential information quicker,” says AMD’s Mark Papermaster throughout our introduction to the structure.

Although this additional cache bump is just not in the identical league because the current Ryzen 7 5800X3D (opens in new tab), however we’ll come again to the way forward for 3D V-cache in a while. As will AMD itself; there is a purpose there isn’t any Ryzen 9 7800X within the launch lineup.

“With Zen 3 we elevated the execution width,” Papermaster tells us. “And so with Zen 4 it turned vital for us to work on how we feed the directions even quicker into the machine. And that is why you see a lot of the enhancements coming from the entrance finish and department prediction. Actually that makes up nearly 60% of that IPC achieve.”

That is echoed by AMD architect Mike Clark, the daddy of Zen, throughout our deep dive. 

“With Zen 4 as barely a spinoff structure, we knew that with Zen 3 we actually elevated the execution facet, added a pair extra execution models. However we knew with Zen 4 we’d like to have the ability to feed these issues as quick as potential to essentially get the good thing about the brand new wider engine that we’ve.”

AMD Zen 4 architecture

(Picture credit score: AMD)

So, it is the entrance finish of the Zen 4 structure the place AMD has put essentially the most thought in from a core design perspective. And that begins with the department prediction block, as a result of that is the place quite a lot of the effectivity and efficiency of a chip design might be gained or misplaced.

“One of the inefficient issues,” says Clark, “is clearly executing the mistaken directions, after which having to throw that away. So we need to ensure that we’re on the correct path, in addition to getting that proper path within the machine as quick as potential”

In microarchitecture phrases, it is mainly all about widening the funnel on the prime, whereas additionally jamming extra information down into the integer and floating level execution machine. That is my dumb method of claiming AMD is trying to widen any of the bottlenecks of the Zen 3 design.

The trade-off with rising the cache, nevertheless, is a rise in latency, however that is one thing AMD has internalised as a part of its design course of with Zen 4. The latency has nonetheless gone up, however the truth that it may well get extra directions operating by way of the processor at anybody time, and with the general efficiency enhancements the structure then gives, that may offset what it is calling “a small improve in latency.”

How does the Ryzen 9 7950X carry out?

AMD Ryzen 9 7950X CPU in a motherboard socket

(Picture credit score: Future)

I imply, it’s actually quick. I did a little bit of a double take trying out the numbers after I noticed the Cinebench R23 single thread run tipping the odd core as much as 5.9GHz. Even steady at 5.8GHz was fairly stunning. It isn’t fairly that prime underneath all-core load, however 5.4GHz throughout all 16 cores nonetheless makes it one blazing chip.

It is blazing in one other method, too, as a result of rattling, does this factor get sizzling?! Really, no. It is okay. AMD says that “At 95 levels it’s not operating sizzling, slightly it should deliberately go to this temperature as a lot as potential underneath load as a result of the facility administration system is aware of that that is the perfect approach to squeeze essentially the most efficiency out of the chip with out damaging it.”

Apparently, the Ryzen 7000-series processors are designed to run at this stage “24/7 with out danger of injury or deterioration.”

However does quick and sizzling make it the final word gaming processor? Not likely, in no way in reality. On that rating, it should typically get outperformed by the eight-core Ryzen 7 7700X which launches alongside it. It’s comfortably quicker than the earlier technology’s Ryzen 9 5950X, which is vital, particularly as that was priced some $100 increased on launch.

It additionally usually outpaces the Ryzen 7 5800X3D, which was AMD’s most up-to-date play for the quickest gaming CPU crown. However towards Intel… nicely, the Core i9 12900K (opens in new tab) continues to be trying like an impressive gaming processor. 

Gaming efficiency

AMD Ryzen 9 7950X benchmarks

(Picture credit score: Future)

In gaming phrases, with the very same GPU, the identical drivers, and the identical OS, Intel’s Core i9 12900K retains itself forward of this, AMD’s newest chip. The chip it has been calling “the perfect for avid gamers and creators.”

There is not a recreation in our take a look at suite which has the brand new Zen 4 chip forward of Intel’s Alder Lake CPU. Which does not make for excellent studying when you think about that it’ll quickly get replaced by an excellent speedier Raptor Lake vary of processors that might push gaming efficiency even additional forward of AMD’s chips.

Creator efficiency

On the multi-threaded facet, nevertheless, AMD’s high-speed benefit involves the fore. Severely, I will take that 95°C temperature if I can have all 16 cores working at 5.4GHz for the length. That makes all of the distinction relating to issues like rendering and encoding, and AMD’s dominance is evident to see.

Within the Blender render take a look at, the Ryzen 9 7950X is over 50% quicker than the Core i9 12900K, and over 40% quicker than the Zen 3-based Ryzen 9 5950X. That highlights simply what a multi-threaded monster the brand new Zen 4 platform can create, and is basically the place all these front-end enhancements actually come to the fore.

It is the wedding of brute-forcing the clock velocity and the class of these microarchitecture tweaks that ship a processor that may be the idea of a robust dwelling workstation.

I imply, there is a purpose the high-end desktop (HEDT) CPU market is lifeless; these previous Intel Core X chips, and even AMD’s personal Threadripper. They do not seem on the PC roadmap outdoors of the skilled house nowadays. And that is as a result of AMD gambled on increased core counts after which once more on an revolutionary chiplet design that has been one of many greatest success tales in trendy processor creation.

However you do not want a Threadripper chip when the brand new Ryzen 9 7950X rocks up with 16 cores of Zen 4 grunt and can comfortably push every certainly one of them to five.4GHz for a fraction of its value. There are few bed room videographers or renderers who would not be enthusiastic in regards to the efficiency of this chip and would argue paying one other $1,700 for a 24-core Threadripper Professional makes any type of sense.

The brand new AM5 platform’s penchant for the quantity 5 is demonstrated by the rise in reminiscence bandwidth owing to the help for DDR5 reminiscence. With the brand new EXPO reminiscence profiles tailor-made for each DDR5 and AMD’s new platform, we may immediately hit the highest frequency with our G.Ability DDR5-6000 package. That delivers a straightforward 68% improve in reminiscence bandwidth over the earlier Zen 3 technology.

The advantages of the PCIe 5 interface, nevertheless, will not manifest till we pay money for some strong state storage drives maxing out the elevated bandwidth once they arrive in November.

It is fascinating to notice, although, that whereas our AMD system is operating with 32GB of DDR5-6000, our Intel Alder Lake machine is slumming it with one other G.Ability set, however a 32GB package operating at DDR5-5600. And it nonetheless gives increased reminiscence bandwidth.

System efficiency

However what of effectivity? That was the watchword across the swap to Zen 4 and a 5nm CCD, however the Ryzen 9 7950X has a TDP of 170W and a max socket energy of 230W. Even the Ryzen 5 7600X has a excessive TDP of 105W versus the earlier gen at 65W.

However the efficiency per watt of Zen 4 is spectacular, particularly relating to gaming. Measured in Far Cry 6 we’re getting 1.61fps per watt of energy, in contrast with lower than 1fps per watt with the previous Ryzen 9 5950X. It is also loads cooler if you’re speaking about constant gaming workloads.

Certain, underneath a 100% all-core load the Zen 4 cores are strong at over 95°C, however in video games, we measured it at simply 65°C.

What’s fascinating, nevertheless, is that for all of the discuss of Intel’s determined energy calls for making its chips energy hungry and inefficient, the Core i9 12900K is each higher by way of efficiency per watt and thermals.

You’ll be able to take the shackles off Intel’s chips, and permit them to make use of all the facility in your motherboard’s BIOS, however if you happen to keep on with Intel’s personal specs they will not stretch to the identical ranges. Okay, it should nonetheless prime the 200W level when thrashing by way of Cinebench R23, however in video games, you are 81W and 50°C—decrease than this 5nm Ryzen chip.

Eco Mode efficiency

PC Gamer take a look at rig


Motherboard: ASRock X670E Taichi

Reminiscence: G.Ability Trident Z5 Neo DDR5-6000 CL30 2x 16GB


Motherboard: Asus ROG Z690 Hero

Reminiscence: G.Ability Trident Z5 RGB DDR5-5600 CL36 2x 16GB

Graphics card: Nvidia RTX 3080 10GB

Storage: 1TB WD Black SN850

Cooler: Corsair H100i RGB


Chassis: DimasTech Mini V2


Even in Eco Mode, the Ryzen 9 7950X cannot deliver its efficiency per watt as much as the degrees of the Alder Lake chip. However Eco Mode continues to be one of many greatest wins for the brand new Zen 4 cores. The efficiency increase going from 7nm to 5nm is at its best on the 65W stage, and that’s highlighted by simply how a lot quicker the Zen 4 chip is, even locked to 65W, in contrast with the Ryzen 9 5950X. 

In Eco Mode, it should additionally nonetheless beat the Core i9 12900K in inventive purposes, too.

Truthfully, if I am operating a Zen 4 chip in my rig, I’ll be setting it to Eco Mode on a regular basis. You do not want the additional multi-threading efficiency for more often than not you employ your PC, and if you do, simply swap it out of Eco Mode and let these cores fly. You barely lose any efficiency whereas gaming—particularly not on the 1440p or 4K resolutions—and the decrease temps will make for a quieter rig, too. 

Admittedly for the time being that is not really easy. Within the pre-release BIOSes it’s a must to dig round within the AMD Overclocking settings to manually set PPT limits, and so forth. however AMD is promising to make it a extra accessible function in your Home windows desktop after launch.

I hope it does, as a result of Eco Mode is among the issues which units the Zen chips aside, and it is higher than ever.

How does the Ryzen 9 7950X stack up?

AMD Ryzen 9 7950X CPU

(Picture credit score: Future)

The place does the brand new Zen 4 flagship chip stand within the CPU market? Right this moment, it is the perfect chip for creators, and possibly even the perfect chip for creators who additionally recreation. However it’s actually not the perfect gaming CPU.

This $700 16-core processor, regardless of its heady 5.8GHz clock velocity, nonetheless falls behind Intel’s barely cheaper Core i9 12900K relating to uncooked body charges. And you may nonetheless get the GPU-less KF model of that Alder Lake CPU for a lot lower than that. Although provided that Raptor Lake is on its method very quickly I would not suggest that buy proper now, both.

However the multicore efficiency is fairly staggering. If you wish to throw a ton of complicated computational duties at a shopper platform, say for video rendering or encoding, then there’s nothing on the market on this value bracket that may come near the processing prowess of AMD’s new Zen 4 prime chip.

Its last-gen flagship out of the blue appears to be like very previous certainly.

That is true even if you happen to restrict the Ryzen 9 7950X to simply 65W. I believe Eco Mode is the factor that has impressed me most in regards to the new structure, displaying simply how environment friendly it may be. Sadly, to be aggressive with Intel’s Alder Lake, AMD has needed to go all out on the facility and thermals by default to offer its Zen 4 cores sufficient headroom to carry out at their greatest. 

And the uncooked clock velocity numbers are spectacular, too. I imply, hitting 5.8GHz inventory, out of the field is one thing I do not suppose many people have been actually anticipating. 

AMD Ryzen 9 7950X CPU

(Picture credit score: Future)

I have been testing the eight-core Ryzen 7 7700X alongside this 16-core chip, and that could be a efficiency gaming chip that may typically even beat the Ryzen 9 7950X. However it, too, is shy of the Alder Lake competitors in uncooked body charges, although can at the very least match it by way of efficiency per watt.

Although if we’re speaking about AMD gaming CPUs, there’s a large, flappy-eared gray mammal within the room. There is no Ryzen 7 7800X within the launch lineup, and that appears like a niche tailored for a cached-out X3D chip, alongside the traces of the Ryzen 7 5800X3D, to pop into. With an enormous chunk of additional L3 cache to play with, the 3D V-cache design is made for gaming, and that ought to be AMD’s actual play for the perfect gaming CPU. Although when that launches, we nonetheless do not know.

AMD has been very cagey about its plans, initially suggesting it might be launched this 12 months and now we’re not so positive. Joe Macri advised us that “we’re not attempting to dribble issues out to you, the cycle time of operating stuff by way of the fab simply takes longer if you need to take two items of silicon and actually fuse them collectively on the molecular stage.”

Till it is acquired these large cache chips bonded onto the CPU we’ll have to attend and see what additional gaming affect the expanded L3 cache can have alongside a Zen 4 core.

Ryzen 9 7950X verdict

AMD Ryzen 9 7950X CPU

(Picture credit score: Future)

I really feel fairly constructive about AMD’s prime Zen 4 processor, which is possibly slightly unusual provided that it is extra evolution than revolution and would not fairly have the standout efficiency leaps that characterised the earlier generations of Zen chips. 

However I believe we have most likely been spoiled by AMD in current occasions.

The Ryzen 9 7950X continues to be a giant generational bounce over the Ryzen 9 5950X, nevertheless it hasn’t managed a convincing displaying towards its essential Intel rival. That is very true in gaming, and whereas the multi-threaded efficiency is fairly spectacular, we’re ready the place we all know Intel’s bumping that up with its incoming Raptor Lake chips and that might completely negate the enhancements AMD has managed to muster for Zen 4.

Inevitably then you’ll probably see loads made about it being a disappointing launch. However, to me, it appears like a assured, constant launch. You possibly can argue it is possibly not tremendous bold, however AMD has acquired the place it’s right this moment by at all times delivering on its Zen guarantees, and but once more Dr. Su’s gang has completely carried out that.

The Ryzen 9 7950X is the quickest, hottest, most power-hungry Zen chip but, however although it isn’t the gaming champ it’s nonetheless the perfect all-round AMD CPU.

AMD Ryzen 9 7950X

A multi-threading monster of a computational CPU, hitting clock speeds we may solely beforehand get close to by way of severe overclocking. It is also acquired an Eco Mode that delivers cool-running efficiency even in video games, although it is within the body fee battle the place Zen 4 falls down towards the present greatest Intel chips.

Dave has been gaming for the reason that days of Zaxxon and Girl Bug on the Colecovision, and code books for the Commodore Vic 20 (Demise Race 2000!). He constructed his first gaming PC on the tender age of 16, and at last completed bug-fixing the Cyrix-based system round a 12 months later. When he dropped it out of the window. He first began writing for Official PlayStation Journal and Xbox World many a long time in the past, then moved onto PC Format full-time, then PC Gamer, TechRadar, and T3 amongst others. Now he is again, writing in regards to the nightmarish graphics card market, CPUs with extra cores than sense, gaming laptops hotter than the solar, and SSDs extra capacious than a Cybertruck. blind fold fuck. queen of bath sheeba nude. sexvid block head.