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Sony Playstation 5 Processor SoC Die Photos
It's always interesting to see a chip up-close and personal. As you all know. AMD has been behind the one empowering the new Xbox and PlayStation 5, that last for that last one pictures emerged.
Microsoft shared a photo of the AMD-soc in the Series X long before the release, Sony remained a bit quieter in that regard. Chip photographer Fritzchens Fritz has now changed that, by shooting a few relatively detailed pictures of the silicon in the Playstation 5.Based on AMD Zen2 cores reaching up to 3.5 GHz, the CPU is matched with 36 shading core clusters based on RDNA 2 running up to 2.23 GHz. Inbetween heatsink and processor liquid metal is present. Surrounding the die you can see some conductive material used, likely to keep that liquid metal in place. Firing off Using a special short wave infrared light (SWIR) microscope shows the CPU core complex and a GPU area. Now, there appear to be 40 CU's physically on the die, which would mean that Sony is not using four. This could have been done from a yield point of view.
Fritzchens Fritz: A first quick and dirty die-shot of the PS5 APU (better SWIR image will follow). It looks like some Zen 2 FPU parts are missing.
Locuza: My interpretation of the floor plan PS5 floor plan: 1. Bomba surprise that Sony likely cut down the 256-Bit FP pipes to just 128-Bit. 2. No Infinity Cache/L3$, also not on the Xbox Series. 3. Might have the old Render Backend design, need higher res to say for sure. 4. ...
Sources: Fritzchens Fritz, Locuza, via VideoCardz
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Undying
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#5888005 Posted on: 02/17/2021 12:23 AM
This just shows consoles dont have the real rdna2 inside. The chip is far behind rx6800 or even upcoming rx6700 series.
This just shows consoles dont have the real rdna2 inside. The chip is far behind rx6800 or even upcoming rx6700 series.
Fox2232
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Posts: 11808
Joined: 2012-07-20
#5888006 Posted on: 02/17/2021 12:25 AM
Welcome to the forum.
I think that people get what hey pay for with consoles. XSS is toy you buy for your kids. XSX is what you put into living room next to your big TV.
Sony played it smart and did not gimp their diskless console like MS did. When it comes to cross platform games it's easier for developers to optimize for the PS5 when both versions are functionally the same aside from the disk. Sony also gave developers a head start when it came to early development and optimization tools. It's still early in the console wars so things could change and tip towards MS favor which clearly has the more powerful hardware. That being said as we can see having the most powerful hardware does not always equal the best performance if the software is not fully optimized to take advantage of it.
Welcome to the forum.
I think that people get what hey pay for with consoles. XSS is toy you buy for your kids. XSX is what you put into living room next to your big TV.
Fox2232
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#5888022 Posted on: 02/17/2021 01:12 AM
Not only.
It's a combo of MS SDK (still inferior or late to the party, whatever floats) and a more streamlined optimized hardware in the PS5 where everything works at or close to 100% efficiency and almost no bottleneck between CPU+system memory+GPU+SSD.
XSX is not like that at all and has parts of it bottle-necking it, hardware wise + that SDK issue.
If you want an analogy: PS5 is like a BMW M3 and XSX like a ‘Eleanor’ Mustang Shelby. Maybe not such an extreme difference for the consoles, but you get my point, one is very balanced and efficient at being a good all rounder, the other one has brute force power and goes fast in the straights, but is lacking in other sectors...
Oh and this is happening while the PS'5 black box of power (Geometry Engine) is barely being discovered and optimized for, or the Kraken compression that can peak at 22GB/s (the average is 9.5GB/s), or the SSD+IO when it will be fully taken advantage of like it will be in Ratchet & Clank (switching worlds on the fly) and in Unreal Engine 5 streaming assets and open worlds with crazy detail and density in real time... so expect even more power from PS5, despite the specs not showing that at first glance.
All I said here can be know from the Road to PS5 presentation that Sony did and many ignored or said it was boring.
Of course they have real RDNA2 inside, you mean they don't have full RDNA2, as in 100% of it functions and characteristics. Notably the Infinity Cache is missing, the other parts are not so important.
That's true, but then again RDNA2 which is in the RX 6000s series does not have the Geometry Engine that's in the PS5, that will be in RDNA3 (or something similar), most likely.
Here is the thing. PS5 is RDNA one point something. And has Custom Geometry Engine as you wrote. But there is no saying that it will be used in RDNA3 till RDNA3 comes and uses it.
It is custom piece of HW which may end up being used in some way or may not.
On other hand, feature wise (blocks that execute operations on data) XSX has full RDNA2.
PS5 being bottleneck free is joke. It is like saying that improved geometry engine makes RDNA1 bottleneck free.
In terms of PS5 vs XSX, each needs different optimizations. PS5 around its Geometry Engine, XSX around shader throughput and INT4/8 features.
Where XSX uses RDNA2 based Variable Rate Shading, PS5 uses custom override and simulates it through different means.
Fun fact: If you take feature change list from RDNA1 to RDNA2, XSX has everything except IF which it does not need as much, due to quite wide IMC for given TFLOPs.
PS5 on other hand misses most of new HW features and does some of things "in Cerny's way".
Not only.
It's a combo of MS SDK (still inferior or late to the party, whatever floats) and a more streamlined optimized hardware in the PS5 where everything works at or close to 100% efficiency and almost no bottleneck between CPU+system memory+GPU+SSD.
XSX is not like that at all and has parts of it bottle-necking it, hardware wise + that SDK issue.
If you want an analogy: PS5 is like a BMW M3 and XSX like a ‘Eleanor’ Mustang Shelby. Maybe not such an extreme difference for the consoles, but you get my point, one is very balanced and efficient at being a good all rounder, the other one has brute force power and goes fast in the straights, but is lacking in other sectors...
Oh and this is happening while the PS'5 black box of power (Geometry Engine) is barely being discovered and optimized for, or the Kraken compression that can peak at 22GB/s (the average is 9.5GB/s), or the SSD+IO when it will be fully taken advantage of like it will be in Ratchet & Clank (switching worlds on the fly) and in Unreal Engine 5 streaming assets and open worlds with crazy detail and density in real time... so expect even more power from PS5, despite the specs not showing that at first glance.
All I said here can be know from the Road to PS5 presentation that Sony did and many ignored or said it was boring.
Of course they have real RDNA2 inside, you mean they don't have full RDNA2, as in 100% of it functions and characteristics. Notably the Infinity Cache is missing, the other parts are not so important.
That's true, but then again RDNA2 which is in the RX 6000s series does not have the Geometry Engine that's in the PS5, that will be in RDNA3 (or something similar), most likely.
Here is the thing. PS5 is RDNA one point something. And has Custom Geometry Engine as you wrote. But there is no saying that it will be used in RDNA3 till RDNA3 comes and uses it.
It is custom piece of HW which may end up being used in some way or may not.
On other hand, feature wise (blocks that execute operations on data) XSX has full RDNA2.
PS5 being bottleneck free is joke. It is like saying that improved geometry engine makes RDNA1 bottleneck free.
In terms of PS5 vs XSX, each needs different optimizations. PS5 around its Geometry Engine, XSX around shader throughput and INT4/8 features.
Where XSX uses RDNA2 based Variable Rate Shading, PS5 uses custom override and simulates it through different means.
Fun fact: If you take feature change list from RDNA1 to RDNA2, XSX has everything except IF which it does not need as much, due to quite wide IMC for given TFLOPs.
PS5 on other hand misses most of new HW features and does some of things "in Cerny's way".
Neo Cyrus
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Posts: 10562
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Posts: 10562
Joined: 2006-02-14
#5888045 Posted on: 02/17/2021 05:34 AM
Weird... why? Strictly software related?
Is the PS OS still a linux distro / derivative?
I don't know if the overall result is mostly due to software but it's at least partial. Sony's development tools are supposedly iterative and devs are used to it, meanwhile Ubisoft apparently doesn't give a shit to properly use the Microsoft tools. But there's more to it, Sony tend to a lie, a lot, but supposedly there's a hardware portion they very ambiguously call a geometry engine giving devs more control over resource management.
As for the OS, I'm not sure since I haven't seen an official source talking about it.
Weird... why? Strictly software related?
Is the PS OS still a linux distro / derivative?
I don't know if the overall result is mostly due to software but it's at least partial. Sony's development tools are supposedly iterative and devs are used to it, meanwhile Ubisoft apparently doesn't give a shit to properly use the Microsoft tools. But there's more to it, Sony tend to a lie, a lot, but supposedly there's a hardware portion they very ambiguously call a geometry engine giving devs more control over resource management.
As for the OS, I'm not sure since I haven't seen an official source talking about it.
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Sony played it smart and did not gimp their diskless console like MS did. When it comes to cross platform games it's easier for developers to optimize for the PS5 when both versions are functionally the same aside from the disk. Sony also gave developers a head start when it came to early development and optimization tools. It's still early in the console wars so things could change and tip towards MS favor which clearly has the more powerful hardware. That being said as we can see having the most powerful hardware does not always equal the best performance if the software is not fully optimized to take advantage of it.