Ryzen 7 5700X vs EPYC 7451
Ryzen 7 5700X
EPYC 7451
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 5700X
Performance Per Dollar EPYC 7451
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5700X | EPYC 7451 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($175) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm) | ✨ Modern (Naples (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5700X | EPYC 7451 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($175) | ✅ More affordable ($0) |
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 5700X and EPYC 7451
Ryzen 7 5700X
The Ryzen 7 5700X is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 26,609 points. Launch price was $299.
EPYC 7451
The EPYC 7451 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 24 cores and 48 threads. Base frequency is 2.3 GHz, with boost up to 3.2 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: 26,639 points. Launch price was $2,400.
Processing Power
The Ryzen 7 5700X packs 8 cores / 16 threads, while the EPYC 7451 offers 24 cores / 48 threads — the EPYC 7451 has 16 more cores. Boost clocks reach 4.6 GHz on the Ryzen 7 5700X versus 3.2 GHz on the EPYC 7451 — a 35.9% clock advantage for the Ryzen 7 5700X (base: 3.4 GHz vs 2.3 GHz). The Ryzen 7 5700X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm), while the EPYC 7451 uses Naples (2017−2018) (14 nm). In PassMark, the Ryzen 7 5700X scores 26,609 against the EPYC 7451's 26,639 — a 0.1% lead for the EPYC 7451. L3 cache: 32 MB (total) on the Ryzen 7 5700X vs 64 MB (total) on the EPYC 7451.
| Feature | Ryzen 7 5700X | EPYC 7451 |
|---|---|---|
| Cores / Threads | 8 / 16 | 24 / 48+200% |
| Boost Clock | 4.6 GHz+44% | 3.2 GHz |
| Base Clock | 3.4 GHz+48% | 2.3 GHz |
| L3 Cache | 32 MB (total) | 64 MB (total)+100% |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 7 nm-50% | 14 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Naples (2017−2018) |
| PassMark | 26,609 | 26,639 |
| Cinebench R23 Multi | 14,000 | — |
| Geekbench 6 Single | 2,116 | — |
| Geekbench 6 Multi | 9,715 | — |
Memory & Platform
The Ryzen 7 5700X uses the AM4 socket (PCIe 4.0), while the EPYC 7451 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 5700X | EPYC 7451 |
|---|---|---|
| Socket | AM4 | TR4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 24 | — |
Advanced Features
Virtualization: AMD-V (Ryzen 7 5700X) / not specified (EPYC 7451). Primary use case: Ryzen 7 5700X targets Gaming. Direct competitor: Ryzen 7 5700X rivals Core i7-11700K.
| Feature | Ryzen 7 5700X | EPYC 7451 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Gaming | — |
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