EPYC 7551P vs Ryzen 7 7800X3D
EPYC 7551P
Popular choices:
Ryzen 7 7800X3D
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 7551P
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7551P | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($329) | ⚠️ Higher cost ($384) |
| Longevity | ✨ Modern (Naples (2017−2018) / 14 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7551P | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+30%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($329) | ⚠️ Higher cost ($384) |
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 7551P and Ryzen 7 7800X3D
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.
Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
The EPYC 7551P packs 32 cores / 64 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the EPYC 7551P has 24 more cores. Boost clocks reach 3 GHz on the EPYC 7551P versus 5 GHz on the Ryzen 7 7800X3D — a 50% clock advantage for the Ryzen 7 7800X3D (base: 2 GHz vs 4.4 GHz). The EPYC 7551P uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 7551P scores 38,111 against the Ryzen 7 7800X3D's 34,293 — a 10.5% lead for the EPYC 7551P. L3 cache: 64 MB (total) on the EPYC 7551P vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | EPYC 7551P | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 32 / 64+300% | 8 / 16 |
| Boost Clock | 3 GHz | 5 GHz+67% |
| Base Clock | 2 GHz | 4.4 GHz+120% |
| L3 Cache | 64 MB (total) | 96 MB (total)+50% |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 14 nm | 5 nm-64% |
| Architecture | Naples (2017−2018) | Raphael (Zen4) (2022−2023) |
| PassMark | 38,111+11% | 34,293 |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | — | 15,000 |
Memory & Platform
The EPYC 7551P uses the TR4 socket (PCIe 4.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the EPYC 7551P versus DDR5-5200 on the Ryzen 7 7800X3D — the EPYC 7551P supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7551P supports up to 2048 of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 8 (EPYC 7551P) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 128 (EPYC 7551P) vs 28 (Ryzen 7 7800X3D) — the EPYC 7551P offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7551P) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | EPYC 7551P | Ryzen 7 7800X3D |
|---|---|---|
| Socket | TR4 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 2666+53220% | DDR5-5200 |
| Max RAM Capacity | 2048 | 128 GB+6553500% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the Ryzen 7 7800X3D 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: AMD-V, IOMMU (EPYC 7551P) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 7551P requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: EPYC 7551P rivals Xeon Platinum 8160; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | EPYC 7551P | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics (2-core) |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V, IOMMU | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The EPYC 7551P launched at $2100 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($329 vs $384), the EPYC 7551P is $55 cheaper. In terms of value (PassMark points per dollar), the EPYC 7551P delivers 115.8 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the EPYC 7551P the 25.9% better value option.
| Feature | EPYC 7551P | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $2100 | $449-79% |
| Avg Price (30d) | $329-14% | $384 |
| Performance per Dollar | 115.8+30% | 89.3 |
| Release Date | 2017 | 2023 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on EPYC 7551P and Ryzen 7 7800X3D
