PassMark - CPU Mark. We routinely get asked whether the additional cost fo the 7351P is worthwhile. We are going to curate a selection of the best posts from STH each week and deliver them directly to you.The AMD EPYC 7281 adds twice the cores of the AMD EPYC 7251 for a paltry $175 update. Comments (12) An anonymous source has submitted initial benchmarks of AMD… Here are the Dhrystone 2 results:AMD always outperforms Intel in this type of benchmark. On Intel, a singular rack will consist of 4704 cores while AMD’s Zen based Naples Rack will ship with 5376 cores. For about $100 more one gets a base clock boost of around 14% plus twice the L3 cache. We see that the AMD EPYC 7281 handily beats the Intel Xeon Silver 4116 which costs an additional ~50%.Note these results were taken using a 208V Schneider Electric / APC PDU at 17.4C and 71% RH. AMD is also suggesting highly competitive price to performance ratios on Naples processors that will give them a clear edge in the enterprise market.We will get back to the features in a bit but before we do, let's take a look at the lineup itself. AMD typically offers many more cores for the same price. I think you should have covered that facet better.7-zip is a widely used compression/ decompression program that works cross-platform. Price (USD) [Dual CPU] AMD EPYC 7402 (86%) 62,799 $4,057.26 [Dual CPU] AMD EPYC 7742 (76%) 55,575 $14,798.00 [Dual CPU] Intel Xeon Platinum 8280 @ 2.70GHz (76%) 54,913 $20,018.00* [Dual CPU] Intel Xeon Gold 6240R @ 2.40GHz (74%) 54,024 $4,400.00* [Dual CPU] Intel Xeon Gold 6254 @ 3.10GHz … Tyan has responded to this opportunity by offering a single-socket system that can handle 24x NVMe drives plus have I/O available for 10/25/40/50/100GbE.Some of the longest-running tests at STH are the venerable UnixBench 5.1.3 Dhrystone 2 and Whetstone results. PassMark CPU Benchmarks. Although we have been focusing on the large delta between the 7251 and 7281, the additional clock speed and cache of the EPYC 7351P makes a strong case for a $100 upgrade.When AVX-512 is enabled, the Intel Xeon Silver range fares considerably better. A single Intel Xeon Silver part will use less power which will impact TCO calculations; however, AMD has a great solution with the EPYC 7281.That’s some different cover photo for you guys. CPU. It is a ray tracing benchmark that is extremely popular to show differences in processors under multi-threaded workloads.
Intel platform also supports 24 DIMMs while AMD can support up to 32 DIMMs. We see the biggest competition to the AMD EPYC 7281 in single socket configurations as the AMD EPYC 7351P. By Zhiye Liu 05 August 2019. The platform will support 8 memory channels and 128 lanes of high-bandwidth I/O. Memory bandwidth sees a 33% advantage as AMD has 8 channels while Intel’s Purley platform is configured for 6 channels per socket. One item we can see is that the AMD EPYC 7281 is about equivalent to two AMD EPYC 7251 CPUs. UnixBench is widely used, so we include it in this data set. In the context of a total system cost, that is likely under 4% more so we see it as a very worthwhile upgrade.We have been using c-ray for our performance testing for years now. We are using a third party service to manage subscriptions so you can unsubscribe at any time.In terms of performance, the analysis is different when we look at the single socket AMD EPYC 7281 versus other AMD SKUs than when we looked at dual socket configurations. It is fair to say we see a single AMD EPYC 7281 as equivalent to the dual eight core Xeon Silvers. Coming to the platform itself, EPYC will be shipping with processors that feature up to 32 Zen cores as detailed above.
Likewise, even if we move to the top of the Intel Xeon Silver range, the Silver 4116 at $1002, AMD still offers noticeably more performance in the $650 EPYC 7281.For this exercise, we are using our legacy Linux-Bench scripts which help us see cross-platform “least common denominator” results we have been using for years as well as several results from our updated Linux-Bench2 scripts. What we do provide is an extremely controlled environment where we know every step is exactly the same and each run is done in a real-world data center, not a test bench.Get the best of STH delivered weekly to your inbox. The AMD EPYC 7281 with four NUMA nodes out-performs the dual AMD EPYC 7251 configuration with eight. At this point, our benchmarking sessions take days to run, and we are generating well over a thousand data points. Instead, they have competition on both the Intel and AMD sides. There are few $175 upgrades in a server that are as worthwhile as moving from an AMD EPYC 7251 to a 7281.With this architecture, AMD is more sensitive to non-NUMA node aware workloads. Multiple CPU Systems. The AMD EPYC 7301 is putting up some impressive benchmark numbers, but that does have an associated cost. Beyond that, the CPU delivers 24 cores and 48 threads to a single socket at a price point under $1100, or about what Intel will sell you a 12 core Skylake-SP part for.
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