Ryzen 7 5800X vs EPYC 9555P
Ryzen 7 5800X
EPYC 9555P
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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 Ryzen 7 5800X
Performance Per Dollar EPYC 9555P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5800X | EPYC 9555P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($180) | ⚠️ Higher cost ($6,130) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5800X | EPYC 9555P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+597%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($180) | ⚠️ Higher cost ($6,130) |
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 Ryzen 7 5800X and EPYC 9555P
Ryzen 7 5800X
The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.
EPYC 9555P
The EPYC 9555P 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: 135,441 points. Launch price was $7,983.
Processing Power
The Ryzen 7 5800X packs 8 cores / 16 threads, while the EPYC 9555P offers 64 cores / 128 threads — the EPYC 9555P has 56 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 4.4 GHz on the EPYC 9555P — a 6.6% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 3.2 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the EPYC 9555P uses Turin (2024) (4 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the EPYC 9555P's 135,441 — a 132.1% lead for the EPYC 9555P. L3 cache: 32 MB on the Ryzen 7 5800X vs 256 MB (total) on the EPYC 9555P.
| Feature | Ryzen 7 5800X | EPYC 9555P |
|---|---|---|
| Cores / Threads | 8 / 16 | 64 / 128+700% |
| Boost Clock | 4.7 GHz+7% | 4.4 GHz |
| Base Clock | 3.8 GHz+19% | 3.2 GHz |
| L3 Cache | 32 MB | 256 MB (total)+700% |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Vermeer (Zen 3) (2020−2022) | Turin (2024) |
| PassMark | 27,712 | 135,441+389% |
| Geekbench 6 Single | — | 2,815 |
| Geekbench 6 Multi | — | 29,406 |
Memory & Platform
The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the EPYC 9555P uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus DDR5-6000 on the EPYC 9555P — the EPYC 9555P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 5800X) vs 12 (EPYC 9555P). PCIe lanes: 24 (Ryzen 7 5800X) vs 128 (EPYC 9555P) — the EPYC 9555P offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and SP5 (EPYC 9555P).
| Feature | Ryzen 7 5800X | EPYC 9555P |
|---|---|---|
| Socket | AM4 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-6000+25% |
| Max RAM Capacity | 128 GB | 6 TB+4700% |
| RAM Channels | 2 | 12+500% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 128+433% |
Advanced Features
Virtualization support: AMD-V (Ryzen 7 5800X) vs AMD-V, SEV-SNP (EPYC 9555P). Primary use case: Ryzen 7 5800X targets Desktop, EPYC 9555P targets Data Center / Single Socket. Direct competitor: EPYC 9555P rivals Xeon 6979P.
| Feature | Ryzen 7 5800X | EPYC 9555P |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | AMD-V, SEV-SNP |
| Target Use | Desktop | Data Center / Single Socket |
Value Analysis
The Ryzen 7 5800X launched at $449 MSRP, while the EPYC 9555P debuted at $7983. At current prices ($180 vs $6130), the Ryzen 7 5800X is $5950 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 5800X delivers 154.0 pts/$ vs 22.1 pts/$ for the EPYC 9555P — making the Ryzen 7 5800X the 149.8% better value option.
| Feature | Ryzen 7 5800X | EPYC 9555P |
|---|---|---|
| MSRP | $449-94% | $7983 |
| Avg Price (30d) | $180-97% | $6130 |
| Performance per Dollar | 154.0+597% | 22.1 |
| Release Date | 2020 | 2024 |
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