AMD Epyc 9754 vs AMD Epyc 9754S
SOURCE ARTICLES
AMD Bergamo & Genoa-X EPYC Server CPUs Crush The Competition With Sheer Performance & Efficiency Dominance
wccftech.com
AMD's EPYC Bergamo and Genoa-X CPUs have been praised for their exceptional performance and efficiency. The Genoa-X chips offer up to 96 cores and 1.1 GB of L3 cache, while Bergamo boasts up to 128 Zen 4C cores. Both CPUs outperform Intel's Sapphire Rapids Xeon CPU and offer significant power efficiency improvements. AMD's dominance in the server market is expected to continue with the upcoming Sierra Forrest and Siena lineup.
Running The AMD EPYC 9754 CPUs With A 320W cTDP To Enhance Power Efficiency Review
www.phoronix.com
The AMD EPYC 9754 CPUs can be run with a 320W cTDP to enhance power efficiency. Lowering the TDP to 320W delivers similar performance across workloads while reducing CPU power consumption. The EPYC 9754 2P at 320W runs at around 99% the performance of the default 360W configuration, with up to 5% lower power consumption. This option is beneficial for maximizing power efficiency in server environments. Additionally, switching to a 400W TDP increases performance by about 6% with a 10% power increase. AMD's cTDP options allow for fine-tuning servers for maximum performance or squeezing out the most possible performance.
AMD Bergamo And Genoa-X Performance Review: EPYC Chips For Big Iron Workloads - Page 2
hothardware.com
The review compares the performance of AMD's Bergamo and Genoa-X EPYC chips for big iron workloads. The tests were conducted using Ubuntu Server 22.04 with the 5.15.0-76-generic Linux kernel. The AMD EPYC 9754 performed well in Coremark, 7-Zip decompression, and Blender 3D rendering. The EPYC 9684X excelled in 7-Zip compression and Linux kernel compilation. In terms of video encoding, the EPYC 9654 performed best in 4K x264 encoding, while the EPYC 9754 lagged behind. For database processing, the Bergamo and Genoa-X chips outperformed Intel's offerings in both read-only and read-write workloads. However, in web server benchmarks, Intel's chips performed better, particularly in NGINX. Intel's accelerators also provided an advantage in hashing algorithms.
AMD EPYC Bergamo is a Fantastically Fresh Take on Cloud Native Compute
The AMD EPYC Bergamo is a new chip that offers up to 128 cores, targeting the cloud-native compute realm. It has deliberately slower per-core performance but introduces new characteristics. AMD also has other workload-specific EPYC processors. The Bergamo chip features a L3 cache reduction but maintains the Zen 4 instruction set. It follows AMD's chiplet strategy and uses the same I/O die as previous models. The flagship part has 128 cores and 256 threads, while there are also options with fewer cores. The Bergamo chip maintains a low maximum clock speed to ensure consistent performance across all cores.
SMT Proves Worthwhile Option For 128-Core AMD EPYC "Bergamo" CPUs Review
The review explores the impact of Simultaneous Multi-Threading (SMT) on the performance and power consumption of the AMD EPYC 9754 "Bergamo" processor with 128 physical Zen 4C cores. SMT provides 256 threads per socket and has measurable benefits for various workloads, with a small impact on power consumption. Disabling SMT can deliver better performance for memory bandwidth-dependent workloads, while enabling SMT offers significant advantages for compute-bound workloads. The testing was conducted on the AMD Titanite reference server using Ubuntu 22.04 LTS with Linux 5.19 kernel. CPU power consumption was also monitored during the testing.
AMD Bergamo And Genoa-X Performance Review: EPYC Chips For Big Iron Workloads
AMD's EPYC Bergamo and Genoa-X processors are designed for different workloads. Genoa-X features 3D V-Cache technology, making it ideal for heavy-duty HPC workloads. Bergamo, on the other hand, has a smaller footprint and is optimized for hyperscale compute. Both processors offer support for DDR5, PCIe Gen 5, and CXL 1.1. Genoa-X has 96 cores and 192 threads, while Bergamo has 128 cores and 256 threads. Genoa-X has a higher default TDP of 400W, while Bergamo has a default TDP of 360W.
AMD EPYC 9754 Benchmarks For The 128-Core Bergamo Review
The AMD EPYC 9754 "Bergamo" processors offer up to 128 cores and 256 threads per socket, making them appealing to cloud service providers. They have the same socket and motherboard compatibility as the EPYC 9654 and EPYC 9684X processors. Bergamo has the same Zen 4 ISA and AVX-512 as Genoa. The EPYC 9754 has a base clock of 2.25GHz, an all-core boost speed of 3.1GHz, and a maximum boost clock of 3.1GHz. It has a default TDP of 360 Watts but a configurable TDP of 320 to 400 Watts. The list price is $11,900 USD. The review compares the EPYC 9754 with other processors, including the AMD EPYC Genoa and Milan-X, and Intel Xeon processors. The benchmarks were conducted on Ubuntu 23.04 with the Linux 6.2 kernel and GCC 13 compiler. The review highlights the performance and power efficiency of the Bergamo processors for cloud service providers and workloads that can leverage the high core count.
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AI COMPARISON
Comparison Table
| Feature | AMD Epyc 9754 | AMD Epyc 9754S |
|---|---|---|
| CPU Threads | 256 threads | 128 threads |
| Max Memory Bandwidth | 460.8 GB/s | 460.8 GB/s |
| Total Clock Speed | 288 GHz | 288 GHz |
| PCIe Version | 5 | 5 |
| Memory Channels | 12 | 12 |
| L3 Cache | 256 MB | 256 MB |
| DDR Version | 5 | 5 |
| L1 Cache | 8192 KB | 8192 KB |
| CPU TDP | 360W | 360W |
| 64-bit Support | Yes | Yes |
| Integrated Graphics | No | No |
| DirectX Version | None | None |
| Turbo Speed | 3.1 GHz | 3.1 GHz |
| L2 Cache | 128 MB | 128 MB |
| Cache per Core | L2: 1 MB/core, L3: 2 MB/core | L2: 1 MB/core, L3: 2 MB/core |
| Unlocked Multiplier | No | No |
| Memory ECC | Yes | Yes |
| Max Memory Size | 6000 GB | 6000 GB |
| Multithreading | Yes | Yes |
| Instruction Sets | mmx, sse_4_1, sse_4_2, avx, avx_2, aes, f16c, fma_3 | mmx, sse_4_1, sse_4_2, avx, avx_2, aes, f16c, fma_3 |
| NX Bit | Yes | Yes |
Summary
The AMD Epyc 9754 and 9754S are both high-performance server CPUs from AMD, featuring the same core infrastructure with variations primarily in the number of supported threads. Both models support a wide range of advanced instruction sets, have large L3 caches, and offer high memory bandwidth and capacity, making them suitable for intensive compute tasks and efficient data handling.
The AMD Epyc 9754 stands out with its higher thread count, offering 256 threads versus the 128 threads of the 9754S. This makes the 9754 more suitable for environments where parallel processing and multi-threading are crucial. Both CPUs have the same TDP, indicating similar power efficiency, but the 9754 might offer better performance in multithreaded applications due to its higher thread capability.
In terms of performance, both CPUs are designed to handle heavy computational workloads and large-scale data processing efficiently. They are equipped with technologies such as DDR5 and PCIe 5.0, ensuring they are up-to-date with the latest in high-speed memory and expansion technologies.
Recommendations
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For Cloud Service Providers and Data Centers: The AMD Epyc 9754 with its higher thread count is recommended as it provides increased parallel processing capabilities, making it ideal for environments with high computational demands.
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For HPC and Scientific Computing: Both CPUs are capable, but the 9754 may edge out slightly in performance due to its greater thread count, providing better throughput in highly parallelized workloads.
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Cost-Effective Performance: If budget constraints are more critical and the workloads do not explicitly benefit from higher thread counts, the AMD Epyc 9754S offers substantial power and performance at potentially lower costs, given its lower core and thread count while maintaining similar specifications in other areas.
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