EPYC 7551 vs Core i9-10920X
EPYC 7551
Core i9-10920X
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 7551
Performance Per Dollar Core i9-10920X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7551 | Core i9-10920X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($430) |
| Longevity | ✨ Modern (Naples (2017−2018) / 14 nm) | ✨ Modern (Cascade Lake-X (2019) / 14 nm) |
💎 Value Proposition
| Insight | EPYC 7551 | Core i9-10920X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($430) |
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 7551 and Core i9-10920X
EPYC 7551
The EPYC 7551 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: 25,844 points. Launch price was $3,400.
Core i9-10920X
The Core i9-10920X is manufactured by Intel. It was released in 19 October 2019 (6 years ago). It is based on the Cascade Lake-X (2019) architecture. It features 12 cores and 24 threads. Base frequency is 3.5 GHz, with boost up to 4.8 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 25,875 points. Launch price was $299.
Processing Power
The EPYC 7551 packs 32 cores / 64 threads, while the Core i9-10920X offers 12 cores / 24 threads — the EPYC 7551 has 20 more cores. Boost clocks reach 3 GHz on the EPYC 7551 versus 4.8 GHz on the Core i9-10920X — a 46.2% clock advantage for the Core i9-10920X (base: 2 GHz vs 3.5 GHz). The EPYC 7551 uses the Naples (2017−2018) architecture (14 nm), while the Core i9-10920X uses Cascade Lake-X (2019) (14 nm). In PassMark, the EPYC 7551 scores 25,844 against the Core i9-10920X's 25,875 — a 0.1% lead for the Core i9-10920X. L3 cache: 64 MB (total) on the EPYC 7551 vs 19.25 MB (total) on the Core i9-10920X.
| Feature | EPYC 7551 | Core i9-10920X |
|---|---|---|
| Cores / Threads | 32 / 64+167% | 12 / 24 |
| Boost Clock | 3 GHz | 4.8 GHz+60% |
| Base Clock | 2 GHz | 3.5 GHz+75% |
| L3 Cache | 64 MB (total)+232% | 19.25 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Naples (2017−2018) | Cascade Lake-X (2019) |
| PassMark | 25,844 | 25,875 |
| Cinebench R23 Multi | — | 15,458 |
| Geekbench 6 Single | — | 1,250 |
| Geekbench 6 Multi | — | 12,000 |
Memory & Platform
The EPYC 7551 uses the TR4 socket (PCIe 4.0), while the Core i9-10920X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | EPYC 7551 | Core i9-10920X |
|---|---|---|
| Socket | TR4 | LGA2066 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2933 |
| Max RAM Capacity | — | 256 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 44 |
Advanced Features
Virtualization: not specified (EPYC 7551) / VT-x, VT-d, EPT (Core i9-10920X). Primary use case: Core i9-10920X targets HEDT/Workstation.
| Feature | EPYC 7551 | Core i9-10920X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | HEDT/Workstation |
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