EPYC 7C13 vs EPYC 9255
EPYC 7C13
EPYC 9255
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 7C13
Performance Per Dollar EPYC 9255
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7C13 | EPYC 9255 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($2,000) | ✅ More affordable ($1,934) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 7C13 | EPYC 9255 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+3%) |
| Upfront Cost | ⚠️ Higher cost ($2,000) | ✅ More affordable ($1,934) |
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 7C13 and EPYC 9255
EPYC 7C13
The EPYC 7C13 is manufactured by AMD. It was released in 2021-03-01. It is based on the Milan (2021−2023) architecture. It features 64 cores and 128 threads. Base frequency is 2 GHz, with boost up to 3.68 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4. Passmark benchmark score: 76,363 points. Launch price was $5,000.
EPYC 9255
The EPYC 9255 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 24 cores and 48 threads. Base frequency is 3.25 GHz, with boost up to 4.8 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 75,809 points. Launch price was $2,495.
Processing Power
The EPYC 7C13 packs 64 cores / 128 threads, while the EPYC 9255 offers 24 cores / 48 threads — the EPYC 7C13 has 40 more cores. Boost clocks reach 3.68 GHz on the EPYC 7C13 versus 4.8 GHz on the EPYC 9255 — a 26.4% clock advantage for the EPYC 9255 (base: 2 GHz vs 3.25 GHz). The EPYC 7C13 uses the Milan (2021−2023) architecture (7 nm), while the EPYC 9255 uses Turin (2024) (4 nm). In PassMark, the EPYC 7C13 scores 76,363 against the EPYC 9255's 75,809 — a 0.7% lead for the EPYC 7C13. L3 cache: 256 MB (total) on the EPYC 7C13 vs 128 MB (total) on the EPYC 9255.
| Feature | EPYC 7C13 | EPYC 9255 |
|---|---|---|
| Cores / Threads | 64 / 128+167% | 24 / 48 |
| Boost Clock | 3.68 GHz | 4.8 GHz+30% |
| Base Clock | 2 GHz | 3.25 GHz+63% |
| L3 Cache | 256 MB (total)+100% | 128 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm | 4 nm-43% |
| Architecture | Milan (2021−2023) | Turin (2024) |
| PassMark | 76,363 | 75,809 |
| Geekbench 6 Single | 1,538 | — |
| Geekbench 6 Multi | 37,000 | — |
Memory & Platform
The EPYC 7C13 uses the SP3 socket (PCIe 4.0), while the EPYC 9255 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7C13 versus 4800 on the EPYC 9255 — the EPYC 9255 supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9255 supports up to 6144 of RAM compared to 4096 GB — 40% more capacity for professional workloads. Memory channels: 8 (EPYC 7C13) vs 12 (EPYC 9255). Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7C13) and SP5 (EPYC 9255).
| Feature | EPYC 7C13 | EPYC 9255 |
|---|---|---|
| Socket | SP3 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | 4800+119900% |
| Max RAM Capacity | 4096 GB+69904967% | 6144 |
| RAM Channels | 8 | 12+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Only the EPYC 9255 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (EPYC 7C13) vs VT-x, VT-d, SEV-SNP (EPYC 9255). Primary use case: EPYC 7C13 targets Enterprise Server. Direct competitor: EPYC 7C13 rivals Xeon Platinum 8380; EPYC 9255 rivals Xeon Platinum 8480+.
| Feature | EPYC 7C13 | EPYC 9255 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | VT-x, VT-d, SEV-SNP |
| Target Use | Enterprise Server | — |
Value Analysis
The EPYC 7C13 launched at $2000 MSRP, while the EPYC 9255 debuted at $2495. At current prices ($2000 vs $1934), the EPYC 9255 is $66 cheaper. In terms of value (PassMark points per dollar), the EPYC 7C13 delivers 38.2 pts/$ vs 39.2 pts/$ for the EPYC 9255 — making the EPYC 9255 the 2.6% better value option.
| Feature | EPYC 7C13 | EPYC 9255 |
|---|---|---|
| MSRP | $2000-20% | $2495 |
| Avg Price (30d) | $2000 | $1934-3% |
| Performance per Dollar | 38.2 | 39.2+3% |
| Release Date | 2021 | 2024 |
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