• Hey, guest user. Hope you're enjoying NeoGAF! Have you considered registering for an account? Come join us and add your take to the daily discourse.

Xbox One specs from Hot Chips session (8GB Flash, 1.31TFlops, 204GB/s peak BW)

Status
Not open for further replies.
E

ekim

Member
Fresh from Hot Chips:
XBox_One_diagram.jpg

XBO_diagram_WM.jpg

XBO_GPU_WM.jpg

XBO_Audio_WM.jpg


Msoft XBox One supports shared coherent memory between 8 AMD Jaguar cores and DX 11.1+ GPU like @hsafoundation
Click to expand...

https://twitter.com/rickbmerritt/status/372042121777541120

XBox One SOC has a CPU, GPU, and 15 special-purpose processors. Total of 47MB of storage on-chip. #HC25
Click to expand...

https://twitter.com/Daniel_Bowers/status/372039785453346816

Hot Chips: At 363mm2 with over 5b transistors the Xbox One SoC designed by Microsoft and AMD is a very complex SoC.
Click to expand...

https://twitter.com/TekStrategist/status/372041324871946240

Audio offload processor in XBox One SoC are "completely designed by Microsoft" and have "more than a CPU core worth of processing" #HC25
Click to expand...

https://twitter.com/Daniel_Bowers/status/372041578639929345

XBox One CPU has eight "modified" AMD Jaguar x86-64 cores, in two clusters of four cores. Modifiations to memory sharing & bandwidth. #HC25
Click to expand...

https://twitter.com/Daniel_Bowers/status/372040673618182144

Some noteworthy stuff:
- 8GB Flash memory
- 15 special purpose processors
- 4 Command processors (2 compute, 2 graphics)
- SHAPE offloads >1 CPU core
- Memory coherency between CPU cores and GPU (also caches) - huma?
- Note that little arrow between the CPU and the ESRAM - CPU can read/write to/from the ESRAM?
 
P

Plinko

Wildcard berths that can't beat teams without a winning record should have homefield advantage
*Nods acceptingly while having no real idea what I just read*
 
F

Foxix Von

Member
burnfout said:
How does that compare to PS4?
Click to expand...

Not favorably, but we already knew that. I think the flop rating is a little higher than rumors reported before this. IIRC it was around 1.23tf soo it's a little better than we expected.

I don't think this necessarily confirms hUMA though. Sounds a little more like what's already in the 360 with UMA as that other poster noted but I'm pretty clueless myself, really.

The 8GB of flash memory is an interesting surprise, as is the beefiness of those audio processors. Curious about how that flash is going to be used. Probably game/app suspending and switching?
 
F

Freki

Member
I hope MS explained how they arrive at 204GB/s peak theoretical perfomance.

109GB/s min. performance makes perfect sense -> 4*256bit*853MHz = 109.184GB/s for a read or write operation

as their eSRAM can simultaneously be read and be written it should be 218.368GB/s peak theoretical (this implies always best case scenario) performance...


(cross posted from the other thread)
 
Y

yankeehater

Member
JABEE said:
I'm pretty sure it's what we expected except the peak on the esRAM and the flash memory.
Click to expand...

It sounds better then was originally expected, and especially better when you consider that some people were claiming that MS was going to have to lower the clock rate due to poor chip yields.
 
Dlacy13g

Dlacy13g

Member
Don't let my stoic look fool you, it is not a deep understanding but rather the look of a deer in headlights. I am hoping the brains of NeoGaf will decipher to layman level ... or even better Rayman levels.
 
GameSeeker

GameSeeker

Member
This confirms much of the specs we already knew. PS4 is still significantly more powerful due to more CU's, more ROP's & GDDR5 bandwidth.

The most important bit of new information is the die size: a large 363 sq mm
For comparison, the AMD 7970 (Tahiti) was 352 sq mm when it launched.

Given the large die size, it's easy to understand why Microsoft may have yield & supply issues in the near term.
 
Status
Not open for further replies.

Similar threads

AMD announces Ryzen Z1 and Z1 Extreme chips for handheld gaming PCs
2
88
6K
tkscz replied
  • Poll
Were the Xbox One X and PS4 Pro pointless or necessary? Did you upgrade or become a first time buyer?
2 3
118
5K
Eddie-Griffin replied
Xbox Series X CPU tested ( Sort of)
Drama Analysis Hardware
8
3K
ResilientBanana replied
AMD 4700S desktop kit is based on PlayStation 5 SoC
Hardware
10
2K
Kilau replied
AMD Officially Unveils 4700S Processor Kit Using Xbox Series X|S Salvaged Dies
News Hardware 2
59
9K
Kenpachii replied
Top Bottom