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Another 3rd generation AMD EPYC Milan processor has leaked and this time we can see the references of the EPYC 7543 with 32 Zen 3 cores. The 3rd generation EPYC Milan server processor line is expected to launch this quarter and will replace the line. 2nd generation EPYC Rome processors that featured the base Zen 2 architecture.
AMD 3rd Generation EPYC Milan, EPYC 7543, CPU with 32 cores and 64 threads compared, clocks boosted up to 3.7 GHz and faster than Cascade Lake’s two flagship Intel Xeon processors
AMD EPYC 7543 was spotted by a colleague on Twitter @Leakbench in the Geekbench 4 database. The chip has the central Zen 3 architecture and is made up of 32 cores and 64 threads. The system was running a single socket configuration, so it doesn’t use a 2P design that we saw in previous benchmarks.
As far as clock speeds go, the chip has a nominal base clock of 2.80 GHz and boosts up to 3.70 GHz, which is a quite respectable clock rate for the processor. Based on the clocks, it can be assumed that this part will have a TDP close to 200W. The processor also has 256MB L3 cache and 16MB L2 cache. This confirms that the chip actually uses 8 CCDs instead of four. The main part of four CCD 32s would be configured for a different SKU with 128MB L3 cache.
Processor family for 3rd generation AMD EPYC Milan servers (preview):
| Processor name | Cores / Threads | Basic clock | Boost Clock | L3 Cache | L2 Cache | TDP |
|---|---|---|---|---|---|---|
| AMD EPYC 7763 | 64/128 | 2.45 GHz | 3.50 GHz | 256 MB | 32 MB | 280 W |
| AMD EPYC 7663 | TBA | TBA | TBA | TBA | TBA | TBA |
| AMD EPYC 7713 | 64/128 | 2.00 GHz | 3.70 GHz | 256 MB | 32 MB | 225 W |
| AMD EPYC 75F3 | 32/64 | 2.95 GHz | 4.00 GHz | 256 MB | 32 MB | 280 W |
| AMD EPYC 7543 | 32/64 | 2.80 GHz | 3.70 GHz | 256 MB | 32 MB | ~ 225 W |
| AMD EPYC 7443 | TBA | TBA | TBA | TBA | TBA | TBA |
| AMD EPYC 74F3 | 24/48? | TBA | TBA | TBA | TBA | TBA |
| AMD EPYC 7413 | 24/48 | 2.65 GHz | 3.60 GHz | 128 MB | 16 MB | 180 W |
| AMD EPYC 7313 | 16/32 | 3.00 GHz | 3.70 GHz | 128 MB | 16 MB | 155 W |
| AMD EPYC 72F3 | TBA | TBA | TBA | TBA | TBA | TBA |
In terms of performance, the processor scored 6,065 points in single-core and 111,379 points in multi-core tests. For comparison, a dual-chip Intel Xeon Platinum 8276 server with 56 cores and 112 thread processors only manages a score of 4913 points in single-core and 112,457 points in the multi-core test. The Intel test platform was also configured with 192 GB of system memory while the 3rd generation AMD EPYC Milan system was configured with 384 GB of system memory. So just to make a better comparison, we found a result for a dual Xeon Platinum 8280 server with 56 cores and 112 threads that also had 384 GB of system memory. This system scored 5,048 points in the single-core test and over 117,171 points in the multi-core test.
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Regardless of the higher number of cores and threads, the unique AMD EPYC Milan processor was just enough to achieve a better single-core score while still equaling Intel’s high-end Cascade Lake Platinum Xeon chips. We also have to take into account that this benchmark makes full use of the AVX-512 instruction set featured on Intel processors, which gives them a higher score advantage, although there isn’t much overhead. actual workstations that use the AVX-512 instructions.
So in apple-to-apple comparison, AMD EPYC Milan processors will have a significantly higher lead and we only take general performance not to mention the best performance / value and performance per watt which would result in lower TCO. when building a Milan server.
Also, 10nm + clocks will not look very good compared to 14nm + nodes. Clocks and efficiency are a whole different thing and Intel seems to be lacking in cores as well, with AMD now offering two full generations of server processors with up to 64 cores. It looks grim for Intel’s Ice Lake-SP line of server chips, but Intel seems to be placing all bets on AVX-512 workloads since that’s the only advantage they have over EPYC ds. ‘AMD at the moment.
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