Another AMD EPYC Milan 3rd Generation CPU was leaked and this time we can see benchmarks for the EPYC 7543 with 32 Zen 3 cores. The EPYC Milan 3rd generation server processor line should be launched this quarter and will replace the EPYC Roma 2nd generation processor line , which featured the Zen 2 core architecture.
3rd generation AMD EPYC Milan, EPYC 7543, 32-core CPU and 64 threads compared, impulse clocks up to 3.7 GHz and faster CPUs than the iconic Cascade Lake Intel Xeon dual CPUs
The AMD EPYC 7543 was located by a Twitter colleague @Leakbench in the Geekbench 4 database. The chip features the Zen 3 core architecture and consists of 32 cores and 64 threads. The system was performing a single socket configuration, so it is not using a 2P design that we saw in the previous benchmarks.
As for the clock speed, the chip has a nominal base clock of 2.80 GHz and increases to 3.70 GHz, which is a very respectable clock for the processor. Based on the clocks, we can assume that this part will have a TDP close to 200W. The CPU also has 256 MB of L3 cache and 16 MB of L2 cache. This confirms that the chip is actually making use of 8 CCDs instead of four. The four CCD 32 cores would be configured for a different SKU with 128 MB of L3 cache.
AMD EPYC Milan 3rd generation server CPU line (preliminary):
| CPU name | Colors / Threads | Base Clock | Boost Clock | L3 cache | L2 cache | 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 tests and 111379 points in multi-core tests. For comparison, a dual-chip Intel Xeon Platinum 8276 server with 56 cores and 112 thread processors achieves only a score of 4913 points on the single-core and 112457 points on the multi-core test. Intel’s test platform was also configured with 192 GB of system memory, while the AMD 3rd Generation 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 featured 384 GB of system memory. This system scored 5048 points in the single-core and another 117171 points in the multi-core test.
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Despite having a higher core and thread count, the single AMD EPYC Milan CPU was just enough to get a better score for a single core, while it matches Intel’s top of the line Cascade Lake Platinum Xeon chips. We also have to take into account that this benchmark makes full use of the AVX-512 instruction set that is featured on Intel CPUs, giving them a higher scoring advantage, although there are not many real-world workloads using the AVX-512 instructions.
So, compared to the apple, AMD EPYC Milan CPUs will have a tremendously higher lead and we are just having overall performance not to mention the best performance / value and perf per watt that would translate into lower TCO when building a Milan server.
In addition, 10 nm + clocks will not look good compared to 14 nm + nodes. Clocks and efficiency are a totally different thing and Intel also seems to be missing in terms of cores with AMD now offering two full generations of server CPUs with up to 64 cores. It looks bleak for Intel’s Ice Lake-SP line of server chips, but Intel appears to be betting on AVX-512 workloads as that is the only advantage they have against AMD’s EPYC processors at the moment.