EPYC 7401P vs Core i9-9940X
EPYC 7401P
Core i9-9940X
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 7401P
Performance Per Dollar Core i9-9940X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7401P | Core i9-9940X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($850) |
| Longevity | ✨ Modern (Naples (2017−2018) / 14 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | EPYC 7401P | Core i9-9940X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($850) |
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 7401P and Core i9-9940X
EPYC 7401P
The EPYC 7401P 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 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): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 27,836 points. Launch price was $1,075.
Core i9-9940X
The Core i9-9940X is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.5 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: DDR4-2666. Passmark benchmark score: 28,088 points. Launch price was $1,387.
Processing Power
The EPYC 7401P packs 24 cores / 48 threads, while the Core i9-9940X offers 14 cores / 28 threads — the EPYC 7401P has 10 more cores. Boost clocks reach 3 GHz on the EPYC 7401P versus 4.5 GHz on the Core i9-9940X — a 40% clock advantage for the Core i9-9940X (base: 2 GHz vs 3.3 GHz). The EPYC 7401P uses the Naples (2017−2018) architecture (14 nm), while the Core i9-9940X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the EPYC 7401P scores 27,836 against the Core i9-9940X's 28,088 — a 0.9% lead for the Core i9-9940X. L3 cache: 64 MB (total) on the EPYC 7401P vs 19.25 MB (total) on the Core i9-9940X.
| Feature | EPYC 7401P | Core i9-9940X |
|---|---|---|
| Cores / Threads | 24 / 48+71% | 14 / 28 |
| Boost Clock | 3 GHz | 4.5 GHz+50% |
| Base Clock | 2 GHz | 3.3 GHz+65% |
| 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) | Skylake (server) (2017−2018) |
| PassMark | 27,836 | 28,088 |
Memory & Platform
The EPYC 7401P uses the TR4 socket (PCIe 4.0), while the Core i9-9940X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | EPYC 7401P | Core i9-9940X |
|---|---|---|
| Socket | TR4 | LGA2066 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 44 |
Advanced Features
Virtualization: not specified (EPYC 7401P) / VT-x, VT-d (Core i9-9940X). Primary use case: Core i9-9940X targets Workstation.
| Feature | EPYC 7401P | Core i9-9940X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Workstation |
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