Ryzen 7 3800X vs EPYC 7351
Ryzen 7 3800X
EPYC 7351
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 3800X
Performance Per Dollar EPYC 7351
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 3800X | EPYC 7351 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($140) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Naples (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 3800X | EPYC 7351 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($140) | ✅ 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 3800X and EPYC 7351
Ryzen 7 3800X
The Ryzen 7 3800X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.9 GHz, with boost up to 4.5 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 Dual-channel. Passmark benchmark score: 23,008 points. Launch price was $399.
EPYC 7351
The EPYC 7351 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 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 23,226 points. Launch price was $1,100.
Processing Power
The Ryzen 7 3800X packs 8 cores / 16 threads, while the EPYC 7351 offers 16 cores / 32 threads — the EPYC 7351 has 8 more cores. Boost clocks reach 4.5 GHz on the Ryzen 7 3800X versus 2.9 GHz on the EPYC 7351 — a 43.2% clock advantage for the Ryzen 7 3800X (base: 3.9 GHz vs 2.4 GHz). The Ryzen 7 3800X uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the EPYC 7351 uses Naples (2017−2018) (14 nm). In PassMark, the Ryzen 7 3800X scores 23,008 against the EPYC 7351's 23,226 — a 0.9% lead for the EPYC 7351. L3 cache: 32 MB on the Ryzen 7 3800X vs 64 MB (total) on the EPYC 7351.
| Feature | Ryzen 7 3800X | EPYC 7351 |
|---|---|---|
| Cores / Threads | 8 / 16 | 16 / 32+100% |
| Boost Clock | 4.5 GHz+55% | 2.9 GHz |
| Base Clock | 3.9 GHz+63% | 2.4 GHz |
| L3 Cache | 32 MB | 64 MB (total)+100% |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Matisse (2019−2020) | Naples (2017−2018) |
| PassMark | 23,008 | 23,226 |
Memory & Platform
The Ryzen 7 3800X uses the AM4 socket (PCIe 4.0), while the EPYC 7351 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 3800X | EPYC 7351 |
|---|---|---|
| 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 3800X) / not specified (EPYC 7351). Primary use case: Ryzen 7 3800X targets Desktop.
| Feature | Ryzen 7 3800X | EPYC 7351 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
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