
EPYC 9565 vs EPYC 9555

EPYC 9565

EPYC 9555
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 9565
Performance Per Dollar EPYC 9555
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9565 | EPYC 9555 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($8,233) | ✅ More affordable ($7,973) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9565 | EPYC 9555 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+2%) |
| Upfront Cost | ⚠️ Higher cost ($8,233) | ✅ More affordable ($7,973) |
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 9565 and EPYC 9555

EPYC 9565
The EPYC 9565 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 72 cores and 144 threads. Base frequency is 3.15 GHz, with boost up to 4.3 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: 135,221 points. Launch price was $10,486.

EPYC 9555
The EPYC 9555 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 360 Watt. Memory support: DDR5. Passmark benchmark score: 133,253 points. Launch price was $9,826.
Processing Power
The EPYC 9565 packs 72 cores / 144 threads, while the EPYC 9555 offers 64 cores / 128 threads — the EPYC 9565 has 8 more cores. Boost clocks reach 4.3 GHz on the EPYC 9565 versus 4.4 GHz on the EPYC 9555 — a 2.3% clock advantage for the EPYC 9555 (base: 3.15 GHz vs 3.2 GHz). Both are built on the Turin (2024) architecture using a 4 nm process. In PassMark, the EPYC 9565 scores 135,221 against the EPYC 9555's 133,253 — a 1.5% lead for the EPYC 9565. L3 cache: 384 MB (total) on the EPYC 9565 vs 256 MB (total) on the EPYC 9555.
| Feature | EPYC 9565 | EPYC 9555 |
|---|---|---|
| Cores / Threads | 72 / 144+13% | 64 / 128 |
| Boost Clock | 4.3 GHz | 4.4 GHz+2% |
| Base Clock | 3.15 GHz | 3.2 GHz+2% |
| L3 Cache | 384 MB (total)+50% | 256 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Turin (2024) | Turin (2024) |
| PassMark | 135,221+1% | 133,253 |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. Both support up to 6 TB of RAM. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9565) and SP5 (EPYC 9555).
| Feature | EPYC 9565 | EPYC 9555 |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6000 |
| Max RAM Capacity | 6 TB | 6 TB |
| RAM Channels | 12 | 12 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9565 targets Data Center / Cloud Computing, EPYC 9555 targets Data Center. Direct competitor: EPYC 9565 rivals Xeon 6972P; EPYC 9555 rivals Xeon 6972P.
| Feature | EPYC 9565 | EPYC 9555 |
|---|---|---|
| Integrated GPU | No | No |
| Virtualization | AMD-V, SEV-SNP | AMD-V, SEV-SNP |
| Target Use | Data Center / Cloud Computing | Data Center |
Value Analysis
The EPYC 9565 launched at $10486 MSRP, while the EPYC 9555 debuted at $9826. At current prices ($8233 vs $7973), the EPYC 9555 is $260 cheaper. In terms of value (PassMark points per dollar), the EPYC 9565 delivers 16.4 pts/$ vs 16.7 pts/$ for the EPYC 9555 — making the EPYC 9555 the 1.7% better value option.
| Feature | EPYC 9565 | EPYC 9555 |
|---|---|---|
| MSRP | $10486 | $9826-6% |
| Avg Price (30d) | $8233 | $7973-3% |
| Performance per Dollar | 16.4 | 16.7+2% |
| Release Date | 2024 | 2024 |
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