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AMD Rome Epyc 2 processor 64-Core (128 threads) spotted and benched in Sandra (2.2 GHz)
AMD is paving the 7nm road and the ZEN2 architecture hard and fast. In SiSoft Sandra now an entry can be spotted, this is an early engineering sample AMD Rome Epyc 2 processor running 64 cores and 128-threads (single CPU) at 2.2 GHz.
The chip tested is the AMD ZS1406E2VJUG5_22 / 14_N iwhich was planed into a Dell PowerEdge R7515 server. The proc is a qualification sample and perform close to the final performance aside from maybe the Turbo frequencies. Right now it is setup as 1.4 GHz Base with a boost to 2.2 GHz on all 64 cores. You can spot 64 x 512 KB L2 cache and 256 MB L3 cache. The second generation of Epyc chips is codenamed Rome and has a maximum of 64 cores and 128 threads by combining eight 8-core 7nm chips . ZEN2 will bring a higher ipc, smaller fabrication process and lower consumption.
These processors are of course data-center products, but you know it, this architecture will end up in desktop processors. So far all it pretty interesting. AMD expects a 25% generational performance increase for the CPU cores. While that's not IPC, the theory is that one die package would be 25% faster.
ZEN2 is not just a die-shink, it's a new architecture and based on chipsets. 7nm dies surrounding one 14nm IO chip in the center connected through AMD's Infinity fabric. The "Zen 2" high-performance x86 CPU processor core thus has a modular design methodology. An improved AMD Infinity Fabric interconnect links the separated pieces of silicon ("chiplets") within a single processor package. This should solve some latency issues. The new processor also will support 8-channel DDR4 memory. Also, PCI-Express will be supported. Rome looks amazing, the dies are just so small.
Clawedge
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Posts: 2437
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#5655946 Posted on: 04/01/2019 09:32 AM
you really need to go look at datacentres and the massive array of server racks they have, comprised sometimes of thousands of cores.
this sort of technology is designed to reduce the number of racks needed, in turn reduce cost and power usage greatly.
Another Cinebench only cpu :p
you really need to go look at datacentres and the massive array of server racks they have, comprised sometimes of thousands of cores.
this sort of technology is designed to reduce the number of racks needed, in turn reduce cost and power usage greatly.
Wrinkly
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Joined: 2015-03-25
#5655961 Posted on: 04/01/2019 11:05 AM
Disappointed that you didn't find a Task Manager view with 128 threads
Disappointed that you didn't find a Task Manager view with 128 threads
cryohellinc
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Posts: 2549
Joined: 2014-10-20
#5655984 Posted on: 04/01/2019 12:37 PM
You are the definition of Ignorance.
Another Cinebench only cpu :p
You are the definition of Ignorance.
ernorator
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Junior Member
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#5656006 Posted on: 04/01/2019 02:20 PM
He does not know that he does not know
You are the definition of Ignorance.
He does not know that he does not know
Evildead666
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Senior Member
Posts: 1091
Joined: 2003-09-14
#5656025 Posted on: 04/01/2019 03:22 PM
The clocks on these are pretty low, even for such a large core count.
That I/O die has got to consume a good bit of power, and i'm wondering if it can be clock gated as well as if it was within the CPU.
All those memory controllers, and infinity fabric can't just be switched off and on when needed i suspect, neither can the PCIe lanes.
It may not have to clock very high, but if the system controller base clock is tied to the memory clock still, it will be running quite fast.
The clocks on these are pretty low, even for such a large core count.
That I/O die has got to consume a good bit of power, and i'm wondering if it can be clock gated as well as if it was within the CPU.
All those memory controllers, and infinity fabric can't just be switched off and on when needed i suspect, neither can the PCIe lanes.
It may not have to clock very high, but if the system controller base clock is tied to the memory clock still, it will be running quite fast.
warlord
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Senior Member
Posts: 2172
Joined: 2012-10-22
#5656026 Posted on: 04/01/2019 03:31 PM
Will it pass 100 fps in any 1080p title with an RTX?
These clocks are for 8k gaming. 
Will it pass 100 fps in any 1080p title with an RTX?
These clocks are for 8k gaming.
schmidtbag
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Senior Member
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#5656032 Posted on: 04/01/2019 03:41 PM
Seems like if they manage to pull of 5nm, they could fit another 4 dies on the package. Imagine that: having an additional 32 cores, with a total of 96 cores.
This CPU could be a real winner for AMD, especially if they manage to pull out quad-socket motherboards (not sure this is going to happen, though).
The clocks are pretty typical for a product like this. A CPU like this is built to handle either massively parallel tasks or to be proficient at handling dozens of small individual tasks, neither of which especially cares about clock speed. This is why ARM has been so appealing in the server market: sometimes all you need is a ton of crappy CPU cores for a low price, low wattage, and low physical volume, that are still capable of reducing overhead.
Seems like if they manage to pull of 5nm, they could fit another 4 dies on the package. Imagine that: having an additional 32 cores, with a total of 96 cores.
This CPU could be a real winner for AMD, especially if they manage to pull out quad-socket motherboards (not sure this is going to happen, though).
The clocks on these are pretty low, even for such a large core count.
The clocks are pretty typical for a product like this. A CPU like this is built to handle either massively parallel tasks or to be proficient at handling dozens of small individual tasks, neither of which especially cares about clock speed. This is why ARM has been so appealing in the server market: sometimes all you need is a ton of crappy CPU cores for a low price, low wattage, and low physical volume, that are still capable of reducing overhead.
CPC_RedDawn
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#5656064 Posted on: 04/01/2019 05:52 PM
How about things like Folding@Home? 3D rendering? Photo Editing? Video Editing?
This thing would tear through those tasks easily, remember this is for sever farms and data centres not to run Crysis at 1080p
Those new 49" 32:9 monitors finally have a real purpose LMAO
Another Cinebench only cpu :p
How about things like Folding@Home? 3D rendering? Photo Editing? Video Editing?
This thing would tear through those tasks easily, remember this is for sever farms and data centres not to run Crysis at 1080p
Disappointed that you didn't find a Task Manager view with 128 threads
Those new 49" 32:9 monitors finally have a real purpose LMAO
chispy
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Senior Member
Posts: 8758
Joined: 2006-10-29
#5656076 Posted on: 04/01/2019 06:17 PM
Awesome news , competition is very strong at the moment for data centers in the servers department and AMD Rome Epic seems as the best choice going forward as per digitimes AMD it's gaining market share and a lot of momentum. - https://www.digitimes.com/news/a20190328PD200.html
Awesome news , competition is very strong at the moment for data centers in the servers department and AMD Rome Epic seems as the best choice going forward as per digitimes AMD it's gaining market share and a lot of momentum. - https://www.digitimes.com/news/a20190328PD200.html
schmidtbag
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#5656077 Posted on: 04/01/2019 06:19 PM
Kinda gets me to wonder: what if you could run Crysis at 1080p on a dual-socket system with a pair of these CPUs... through a software renderer? Obviously you'd have to run the graphics at lowest settings, but that would be pretty interesting if it became playable.
This thing would tear through those tasks easily, remember this is for sever farms and data centres not to run Crysis at 1080p :p
Kinda gets me to wonder: what if you could run Crysis at 1080p on a dual-socket system with a pair of these CPUs... through a software renderer? Obviously you'd have to run the graphics at lowest settings, but that would be pretty interesting if it became playable.
waltc3
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Senior Member
Posts: 996
Joined: 2014-07-22
#5656082 Posted on: 04/01/2019 06:36 PM
The clocks on these are pretty low, even for such a large core count.
That I/O die has got to consume a good bit of power, and i'm wondering if it can be clock gated as well as if it was within the CPU.
All those memory controllers, and infinity fabric can't just be switched off and on when needed i suspect, neither can the PCIe lanes.
It may not have to clock very high, but if the system controller base clock is tied to the memory clock still, it will be running quite fast.
This is apparently an engineering sample...as such the clocks will likely be higher in the shipping cpus. But it's the software that makes the difference, as 64/128 cores can clock much slower than 32/64, for instance, and with software that uses the cores the slower-clocked cpu will smoke the significantly higher-clocked cpu with half the number of cores, etc., while using less power, too. The ballgame changes dramatically in this cpu arena. It's bygone days for single-threaded cpus...
The clocks on these are pretty low, even for such a large core count.
That I/O die has got to consume a good bit of power, and i'm wondering if it can be clock gated as well as if it was within the CPU.
All those memory controllers, and infinity fabric can't just be switched off and on when needed i suspect, neither can the PCIe lanes.
It may not have to clock very high, but if the system controller base clock is tied to the memory clock still, it will be running quite fast.
This is apparently an engineering sample...as such the clocks will likely be higher in the shipping cpus. But it's the software that makes the difference, as 64/128 cores can clock much slower than 32/64, for instance, and with software that uses the cores the slower-clocked cpu will smoke the significantly higher-clocked cpu with half the number of cores, etc., while using less power, too. The ballgame changes dramatically in this cpu arena. It's bygone days for single-threaded cpus...
abula
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Senior Member
Posts: 813
Joined: 2002-01-24
#5656096 Posted on: 04/01/2019 07:47 PM
This CPU is a big hit from AMD, its likely that datacenters will benefits from this type of cpus a lot, its not for us, but imo its a very good stand by amd into attaching intel in the business side.
This CPU is a big hit from AMD, its likely that datacenters will benefits from this type of cpus a lot, its not for us, but imo its a very good stand by amd into attaching intel in the business side.
Fox2232
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#5656111 Posted on: 04/01/2019 08:33 PM
It is not that long ago when we used intel's P4 and AMD's Athlon XP Single core CPUs. This is like having 250~300 of such CPUs in single package.
Now imagine having that computational power back in the day in some cutting edge CPU rendering application. All that time we spent waiting for image rendering, encoding, ...
I just love how things move forward.
It is not that long ago when we used intel's P4 and AMD's Athlon XP Single core CPUs. This is like having 250~300 of such CPUs in single package.
Now imagine having that computational power back in the day in some cutting edge CPU rendering application. All that time we spent waiting for image rendering, encoding, ...
I just love how things move forward.
phX
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#5656112 Posted on: 04/01/2019 08:37 PM
Joke for 1st apr?
Joke for 1st apr?
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Another Cinebench only cpu :p