Another AMD 3rd generation EPYC Milan CPU has leaked and this time we see benchmarks of the EPYC 7543 with 32 Zen 3 cores. The 3rd generation EPYC Milan server processor series is expected to launch this term and will replace the second generation EPYC Rome series featuring the Zen 2 core architecture.
AMD’s 3rd generation EPYC Milan, EPYC 7543, CPU with 32 cores and 64 threads, up to 3.7 GHz increases clocks and faster than dual cascade more Intel Xeon flagship processors
The AMD EPYC 7543 was noticed by Twitter fellow @ Lekbank in the Geekbench 4 database. The slide has the Zen 3 core architecture and consists of 32 cores and 64 wires. The system has a single socket configuration, so it does not use a 2P design that we saw in the previous standards.
In terms of clock speed, the chip has a rated base clock of 2.80 GHz and increases it to 3.70 GHz, which is a reasonable clock speed for the processor. Based on the watches we can assume that this part has a TDP near 200W. The CPU also has 256 MB L3 cache and 16 MB L2 cache. This confirms that the chip actually uses 8 CCDs instead of four. The four CCD 32 core components would be tuned to another SKU with 128 MB L3 case.
AMD EPYC Milan 3rd Generation Server CPU Setup (provisional):
| CPU name | Kere / drade | Base Clock | Boost Clock | L3 kas | L2 box | TDP |
|---|---|---|---|---|---|---|
| AMD EPYC 7763 | 64/128 | 2.45 GHz | 3.50 GHz | 256 MB | 32 MB | 280W |
| AMD EPYC 7663 | TBA | TBA | TBA | TBA | TBA | TBA |
| AMD EPYC 7713 | 64/128 | 2.00 GHz | 3.70 GHz | 256 MB | 32 MB | 225W |
| AMD EPYC 75F3 | 32/64 | 2.95 GHz | 4.00 GHz | 256 MB | 32 MB | 280W |
| AMD EPYC 7543 | 32/64 | 2.80 GHz | 3.70 GHz | 256 MB | 32 MB | ~ 225W |
| 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 | 180W |
| AMD EPYC 7313 | 16/32 | 3.00 GHz | 3.70 GHz | 128 MB | 16 MB | 155W |
| AMD EPYC 72F3 | TBA | TBA | TBA | TBA | TBA | TBA |
In terms of performance, the CPU scored 6065 points in single core and 111379 points in the multiple tests. By comparison, an Intel Xeon Platinum 8276 dual-core dual-chip server with 112 wire processors scores only 4913 points in single-core and 112457 points in the multi-core test. The Intel test platform is also configured with 192 GB of system memory, while the AMD 3rd generation EPYC Milan system is configured with 384 GB of system memory. So, just for a better comparison, we found a result for a dual Xeon Platinum 8280 server with 56 cores and 112 wires that also contains 384 GB of system memory. This system scored 5048 points in the single core and a higher 117171 points in the multiple core test.
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Regardless of the higher core and wire count, the single AMD EPYC processor in Milan was just enough to achieve a better single core count, while being equivalent to Intel’s Cascade Lake Platinum Xeon chips. We should also keep in mind that this measure takes full advantage of the AVX-512 instruction set found on Intel’s CPUs, which offers a higher score advantage, although there is not much real workload that AVX-512 instructions use.
So, compared to apples and apples, the AMD EPYC Milan processors will have a much higher lead and we just take overall performance without mentioning the better performance / value and perf per watt, which would translate to lower TCO if you Build a Milan server.
Also, 10nm + clocks will not look good compared to 14nm + buttons. Clocks and efficiency are a whole other thing, and Intel also seems to be missing out on the core, with AMD now offering two full-generation server CPUs with up to 64 cores. It looks grim for Intel’s Ice Lake SP series of server chips, but Intel seems to be placing all bets on AVX-512 workload, as it’s now the only advantage over AMD’s EPYC processors.