EPYC 9655 vs EPYC 9755
EPYC 9655
EPYC 9755
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar EPYC 9655
Performance Per Dollar EPYC 9755
Why is EPYC 9755 better than EPYC 9655?
Comparing the AMD EPYC 9755 and EPYC 9655 highlights the two highest peaks of AMD's \"Turin\" Zen 5 server architecture. Both processors are designed for a new era of data center density, with the EPYC 9755 featuring an incredible 128 cores and 256 threads, while the EPYC 9655 offers 96 cores and 192 threads. Both utilize a 4nm process and the SP5 socket, supporting twelve-channel DDR5-6000 memory.\n\nThe EPYC 9755 is the undisputed multi-threaded champion, providing a significant edge in massive virtualization, scientific simulations, and high-density cloud computing workloads that scale perfectly with high core counts. The EPYC 9655, while having fewer cores, maintains a higher peak boost clock of 4.5 GHz (vs 4.1 GHz on the 9755), which can be beneficial for workloads that rely on a mix of high-thread counts and individual core frequency. It also operates within a lower 400W TDP, offering better energy efficiency for certain thermal-constrained environments.\n\nUltimately, for organizations requiring absolute maximum density and multi-core throughput, the EPYC 9755 is the flagship choice. The EPYC 9655 presents a more balanced solution for high-performance computing that still requires exceptional multi-threaded power but benefits from slightly higher clock speeds and improved power-per-core efficiency.
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9655 | EPYC 9755 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($11,852) | ✅ More affordable ($10,931) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9655 | EPYC 9755 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+16%) |
| Upfront Cost | ⚠️ Higher cost ($11,852) | ✅ More affordable ($10,931) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of EPYC 9655 and EPYC 9755
EPYC 9655
The EPYC 9655 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 96 cores and 192 threads. Base frequency is 2.6 GHz, with boost up to 4.5 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 156,110 points. Launch price was $11,852.
EPYC 9755
The EPYC 9755 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 128 cores and 256 threads. Base frequency is 2.7 GHz, with boost up to 4.1 GHz. L3 cache: 512 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 500 Watt. Memory support: DDR5. Passmark benchmark score: 166,328 points. Launch price was $12,984.
Processing Power
The EPYC 9655 packs 96 cores / 192 threads, while the EPYC 9755 offers 128 cores / 256 threads — the EPYC 9755 has 32 more cores. Boost clocks reach 4.5 GHz on the EPYC 9655 versus 4.1 GHz on the EPYC 9755 — a 9.3% clock advantage for the EPYC 9655 (base: 2.6 GHz vs 2.7 GHz). Both are built on the Turin (2024) architecture using a 4 nm process. In PassMark, the EPYC 9655 scores 156,110 against the EPYC 9755's 166,328 — a 6.3% lead for the EPYC 9755. Geekbench 6 single-core — the metric most relevant to gaming — records 2,830 vs 2,800, a 1.1% lead for the EPYC 9655 that directly translates to higher frame rates. Multi-core Geekbench: 29,329 vs 29,300 (0.1% advantage for the EPYC 9655). L3 cache: 384 MB (total) on the EPYC 9655 vs 512 MB (total) on the EPYC 9755.
| Feature | EPYC 9655 | EPYC 9755 |
|---|---|---|
| Cores / Threads | 96 / 192 | 128 / 256+33% |
| Boost Clock | 4.5 GHz+10% | 4.1 GHz |
| Base Clock | 2.6 GHz | 2.7 GHz+4% |
| L3 Cache | 384 MB (total) | 512 MB (total)+33% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Turin (2024) | Turin (2024) |
| PassMark | 156,110 | 166,328+7% |
| Geekbench 6 Single | 2,830+1% | 2,800 |
| Geekbench 6 Multi | 29,329 | 29,300 |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. Both support up to 9 TB of RAM. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9655) and SP5 (EPYC 9755).
| Feature | EPYC 9655 | EPYC 9755 |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6000 |
| Max RAM Capacity | 9 TB | 9 TB |
| RAM Channels | 12 | 12 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9655 targets Data Center, EPYC 9755 targets Data Center / Cloud Computing. Direct competitor: EPYC 9655 rivals Xeon 6979P; EPYC 9755 rivals Xeon 6980P.
| Feature | EPYC 9655 | EPYC 9755 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | AMD-V, SEV-SNP | AMD-V, SEV-SNP |
| Target Use | Data Center | Data Center / Cloud Computing |
Value Analysis
The EPYC 9655 launched at $11852 MSRP, while the EPYC 9755 debuted at $12984. At current prices ($11852 vs $10931), the EPYC 9755 is $921 cheaper. In terms of value (PassMark points per dollar), the EPYC 9655 delivers 13.2 pts/$ vs 15.2 pts/$ for the EPYC 9755 — making the EPYC 9755 the 14.4% better value option.
| Feature | EPYC 9655 | EPYC 9755 |
|---|---|---|
| MSRP | $11852-9% | $12984 |
| Avg Price (30d) | $11852 | $10931-8% |
| Performance per Dollar | 13.2 | 15.2+15% |
| Release Date | 2024 | 2024 |
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