Ryzen 7 9700X vs EPYC 7551P
Ryzen 7 9700X
EPYC 7551P
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 9700X
Performance Per Dollar EPYC 7551P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 9700X | EPYC 7551P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($285) | ⚠️ Higher cost ($329) |
| Longevity | ✨ Modern (Granite Ridge (2024−2025) / 4 nm) | ✨ Modern (Naples (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 9700X | EPYC 7551P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+13%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($285) | ⚠️ Higher cost ($329) |
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 9700X and EPYC 7551P
Ryzen 7 9700X
The Ryzen 7 9700X is manufactured by AMD. It was released in 8 August 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 37,145 points. Launch price was $359.
EPYC 7551P
The EPYC 7551P is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 38,111 points. Launch price was $2,100.
Processing Power
The Ryzen 7 9700X packs 8 cores / 16 threads, while the EPYC 7551P offers 32 cores / 64 threads — the EPYC 7551P has 24 more cores. Boost clocks reach 5.5 GHz on the Ryzen 7 9700X versus 3 GHz on the EPYC 7551P — a 58.8% clock advantage for the Ryzen 7 9700X (base: 3.8 GHz vs 2 GHz). The Ryzen 7 9700X uses the Granite Ridge (2024−2025) architecture (4 nm), while the EPYC 7551P uses Naples (2017−2018) (14 nm). In PassMark, the Ryzen 7 9700X scores 37,145 against the EPYC 7551P's 38,111 — a 2.6% lead for the EPYC 7551P. L3 cache: 32 MB (total) on the Ryzen 7 9700X vs 64 MB (total) on the EPYC 7551P.
| Feature | Ryzen 7 9700X | EPYC 7551P |
|---|---|---|
| Cores / Threads | 8 / 16 | 32 / 64+300% |
| Boost Clock | 5.5 GHz+83% | 3 GHz |
| Base Clock | 3.8 GHz+90% | 2 GHz |
| L3 Cache | 32 MB (total) | 64 MB (total)+100% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 4 nm-71% | 14 nm |
| Architecture | Granite Ridge (2024−2025) | Naples (2017−2018) |
| PassMark | 37,145 | 38,111+3% |
Memory & Platform
The Ryzen 7 9700X uses the AM5 socket (PCIe 5.0), while the EPYC 7551P uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 7 9700X versus 2666 on the EPYC 7551P — the Ryzen 7 9700X supports 71% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7551P supports up to 2048 of RAM compared to 256 — 155.6% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 9700X) vs 8 (EPYC 7551P). PCIe lanes: 24 (Ryzen 7 9700X) vs 128 (EPYC 7551P) — the EPYC 7551P offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X870E,X670E,B650 (Ryzen 7 9700X) and SP3 (EPYC 7551P).
| Feature | Ryzen 7 9700X | EPYC 7551P |
|---|---|---|
| Socket | AM5 | TR4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 5600+110% | 2666 |
| Max RAM Capacity | 256 | 2048+700% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 128+433% |
Advanced Features
Only the Ryzen 7 9700X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 7 9700X) vs AMD-V, IOMMU (EPYC 7551P). The Ryzen 7 9700X includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 7551P requires a dedicated GPU. Direct competitor: Ryzen 7 9700X rivals Core i7-14700K; EPYC 7551P rivals Xeon Platinum 8160.
| Feature | Ryzen 7 9700X | EPYC 7551P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics (2-core) | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | AMD-V, IOMMU |
Value Analysis
The Ryzen 7 9700X launched at $359 MSRP, while the EPYC 7551P debuted at $2100. At current prices ($285 vs $329), the Ryzen 7 9700X is $44 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 9700X delivers 130.3 pts/$ vs 115.8 pts/$ for the EPYC 7551P — making the Ryzen 7 9700X the 11.8% better value option.
| Feature | Ryzen 7 9700X | EPYC 7551P |
|---|---|---|
| MSRP | $359-83% | $2100 |
| Avg Price (30d) | $285-13% | $329 |
| Performance per Dollar | 130.3+13% | 115.8 |
| Release Date | 2024 | 2017 |
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