EPYC 9755 vs EPYC 9655
EPYC 9755
EPYC 9655
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 9755
Performance Per Dollar EPYC 9655
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9755 | EPYC 9655 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($10,931) | ⚠️ Higher cost ($11,852) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9755 | EPYC 9655 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+16%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10,931) | ⚠️ Higher cost ($11,852) |
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 9755 and EPYC 9655
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.
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.
Processing Power
The EPYC 9755 packs 128 cores / 256 threads, while the EPYC 9655 offers 96 cores / 192 threads — the EPYC 9755 has 32 more cores. Boost clocks reach 4.1 GHz on the EPYC 9755 versus 4.5 GHz on the EPYC 9655 — a 9.3% clock advantage for the EPYC 9655 (base: 2.7 GHz vs 2.6 GHz). Both are built on the Turin (2024) architecture using a 4 nm process. In PassMark, the EPYC 9755 scores 166,328 against the EPYC 9655's 156,110 — a 6.3% lead for the EPYC 9755. Geekbench 6 single-core — the metric most relevant to gaming — records 2,800 vs 2,830, a 1.1% lead for the EPYC 9655 that directly translates to higher frame rates. Multi-core Geekbench: 29,300 vs 29,329 (0.1% advantage for the EPYC 9655). L3 cache: 512 MB (total) on the EPYC 9755 vs 384 MB (total) on the EPYC 9655.
| Feature | EPYC 9755 | EPYC 9655 |
|---|---|---|
| Cores / Threads | 128 / 256+33% | 96 / 192 |
| Boost Clock | 4.1 GHz | 4.5 GHz+10% |
| Base Clock | 2.7 GHz+4% | 2.6 GHz |
| L3 Cache | 512 MB (total)+33% | 384 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Turin (2024) | Turin (2024) |
| PassMark | 166,328+7% | 156,110 |
| Geekbench 6 Single | 2,800 | 2,830+1% |
| Geekbench 6 Multi | 29,300 | 29,329 |
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 9755) and SP5 (EPYC 9655).
| Feature | EPYC 9755 | EPYC 9655 |
|---|---|---|
| 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 9755 targets Data Center / Cloud Computing, EPYC 9655 targets Data Center. Direct competitor: EPYC 9755 rivals Xeon 6980P; EPYC 9655 rivals Xeon 6979P.
| Feature | EPYC 9755 | EPYC 9655 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | AMD-V, SEV-SNP |
| Target Use | Data Center / Cloud Computing | Data Center |
Value Analysis
The EPYC 9755 launched at $12984 MSRP, while the EPYC 9655 debuted at $11852. At current prices ($10931 vs $11852), the EPYC 9755 is $921 cheaper. In terms of value (PassMark points per dollar), the EPYC 9755 delivers 15.2 pts/$ vs 13.2 pts/$ for the EPYC 9655 — making the EPYC 9755 the 14.4% better value option.
| Feature | EPYC 9755 | EPYC 9655 |
|---|---|---|
| MSRP | $12984 | $11852-9% |
| Avg Price (30d) | $10931-8% | $11852 |
| Performance per Dollar | 15.2+15% | 13.2 |
| Release Date | 2024 | 2024 |
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