EPYC 7401 vs EPYC 4545P
EPYC 7401
EPYC 4545P
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 7401
Performance Per Dollar EPYC 4545P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7401 | EPYC 4545P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($450) | ⚠️ Higher cost ($595) |
| Longevity | ✨ Modern (Naples (2017−2018) / 14 nm) | ✨ Modern (Grado (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 7401 | EPYC 4545P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+35%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($450) | ⚠️ Higher cost ($595) |
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 7401 and EPYC 4545P
EPYC 7401
The EPYC 7401 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: 55,280 points. Launch price was $1,850.
EPYC 4545P
The EPYC 4545P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 16 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 54,255 points. Launch price was $549.
Processing Power
The EPYC 7401 packs 24 cores / 48 threads, while the EPYC 4545P offers 16 cores / 32 threads — the EPYC 7401 has 8 more cores. Boost clocks reach 3 GHz on the EPYC 7401 versus 5.4 GHz on the EPYC 4545P — a 57.1% clock advantage for the EPYC 4545P (base: 2 GHz vs 3 GHz). The EPYC 7401 uses the Naples (2017−2018) architecture (14 nm), while the EPYC 4545P uses Grado (2025) (4 nm). In PassMark, the EPYC 7401 scores 55,280 against the EPYC 4545P's 54,255 — a 1.9% lead for the EPYC 7401. Both processors carry 64 MB (total) of L3 cache.
| Feature | EPYC 7401 | EPYC 4545P |
|---|---|---|
| Cores / Threads | 24 / 48+50% | 16 / 32 |
| Boost Clock | 3 GHz | 5.4 GHz+80% |
| Base Clock | 2 GHz | 3 GHz+50% |
| L3 Cache | 64 MB (total) | 64 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 14 nm | 4 nm-71% |
| Architecture | Naples (2017−2018) | Grado (2025) |
| PassMark | 55,280+2% | 54,255 |
Memory & Platform
The EPYC 7401 uses the TR4 socket (PCIe 4.0), while the EPYC 4545P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the EPYC 7401 versus 5600 on the EPYC 4545P — the EPYC 4545P supports 71% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7401 supports up to 2048 of RAM compared to 192 — 165.7% more capacity for professional workloads. Memory channels: 8 (EPYC 7401) vs 2 (EPYC 4545P). PCIe lanes: 128 (EPYC 7401) vs 28 (EPYC 4545P) — the EPYC 7401 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7401) and AM5 (EPYC 4545P).
| Feature | EPYC 7401 | EPYC 4545P |
|---|---|---|
| Socket | TR4 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 2666 | 5600+110% |
| Max RAM Capacity | 2048+967% | 192 |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the EPYC 4545P has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 4545P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7401) vs VT-x, VT-d, AMD-V (EPYC 4545P). The EPYC 4545P includes integrated graphics (AMD Radeon Graphics), while the EPYC 7401 requires a dedicated GPU. Direct competitor: EPYC 7401 rivals Xeon Silver 4114; EPYC 4545P rivals Ryzen 9 7900X.
| Feature | EPYC 7401 | EPYC 4545P |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The EPYC 7401 launched at $1500 MSRP, while the EPYC 4545P debuted at $549. At current prices ($450 vs $595), the EPYC 7401 is $145 cheaper. In terms of value (PassMark points per dollar), the EPYC 7401 delivers 122.8 pts/$ vs 91.2 pts/$ for the EPYC 4545P — making the EPYC 7401 the 29.6% better value option.
| Feature | EPYC 7401 | EPYC 4545P |
|---|---|---|
| MSRP | $1500 | $549-63% |
| Avg Price (30d) | $450-24% | $595 |
| Performance per Dollar | 122.8+35% | 91.2 |
| Release Date | 2017 | 2025 |
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