EPYC 9845 vs EPYC 9655
EPYC 9845
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 9845
Performance Per Dollar EPYC 9655
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9845 | EPYC 9655 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($8,670) | ⚠️ Higher cost ($11,852) |
| Longevity | ✨ Modern (Turin (2024) / 3 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9845 | EPYC 9655 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+34%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($8,670) | ⚠️ 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 9845 and EPYC 9655
EPYC 9845
The EPYC 9845 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 160 cores and 320 threads. Base frequency is 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 320 MB (total). L2 cache: 1 MB (per core). Built on 3 nm process technology. Socket: SP5. Thermal design power (TDP): 390 Watt. Memory support: DDR5. Passmark benchmark score: 152,985 points. Launch price was $13,564.
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 9845 packs 160 cores / 320 threads, while the EPYC 9655 offers 96 cores / 192 threads — the EPYC 9845 has 64 more cores. Boost clocks reach 3.7 GHz on the EPYC 9845 versus 4.5 GHz on the EPYC 9655 — a 19.5% clock advantage for the EPYC 9655 (base: 2.1 GHz vs 2.6 GHz). Both are built on the Turin (2024) architecture using a 3 nm process. In PassMark, the EPYC 9845 scores 152,985 against the EPYC 9655's 156,110 — a 2% lead for the EPYC 9655. L3 cache: 320 MB (total) on the EPYC 9845 vs 384 MB (total) on the EPYC 9655.
| Feature | EPYC 9845 | EPYC 9655 |
|---|---|---|
| Cores / Threads | 160 / 320+67% | 96 / 192 |
| Boost Clock | 3.7 GHz | 4.5 GHz+22% |
| Base Clock | 2.1 GHz | 2.6 GHz+24% |
| L3 Cache | 320 MB (total) | 384 MB (total)+20% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 3 nm-25% | 4 nm |
| Architecture | Turin (2024) | Turin (2024) |
| PassMark | 152,985 | 156,110+2% |
| Geekbench 6 Single | — | 2,830 |
| Geekbench 6 Multi | — | 29,329 |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. The EPYC 9655 supports up to 9 TB of RAM compared to 6 TB — 40% more capacity for professional workloads. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9845) and SP5 (EPYC 9655).
| Feature | EPYC 9845 | EPYC 9655 |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6000 |
| Max RAM Capacity | 6 TB | 9 TB+50% |
| RAM Channels | 12 | 12 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9845 targets Data Center / AI Training, EPYC 9655 targets Data Center. Direct competitor: EPYC 9845 rivals Xeon 6972P; EPYC 9655 rivals Xeon 6979P.
| Feature | EPYC 9845 | EPYC 9655 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | AMD-V, SEV-SNP |
| Target Use | Data Center / AI Training | Data Center |
Value Analysis
The EPYC 9845 launched at $13564 MSRP, while the EPYC 9655 debuted at $11852. At current prices ($8670 vs $11852), the EPYC 9845 is $3182 cheaper. In terms of value (PassMark points per dollar), the EPYC 9845 delivers 17.6 pts/$ vs 13.2 pts/$ for the EPYC 9655 — making the EPYC 9845 the 29% better value option.
| Feature | EPYC 9845 | EPYC 9655 |
|---|---|---|
| MSRP | $13564 | $11852-13% |
| Avg Price (30d) | $8670-27% | $11852 |
| Performance per Dollar | 17.6+33% | 13.2 |
| Release Date | 2024 | 2024 |
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