EPYC 7443P vs EPYC 7401
EPYC 7443P
EPYC 7401
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 7443P
Performance Per Dollar EPYC 7401
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7443P | EPYC 7401 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,045) | ✅ More affordable ($450) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Naples (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | EPYC 7443P | EPYC 7401 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+126%) |
| Upfront Cost | ⚠️ Higher cost ($1,045) | ✅ More affordable ($450) |
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 7443P and EPYC 7401
EPYC 7443P
The EPYC 7443P is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 24 cores and 48 threads. Base frequency is 2.85 GHz, with boost up to 4 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 200 Watt. Memory support: DDR4-3200. Passmark benchmark score: 56,808 points. Launch price was $1,337.
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.
Processing Power
Both the EPYC 7443P and EPYC 7401 share an identical 24-core/48-thread configuration. Boost clocks reach 4 GHz on the EPYC 7443P versus 3 GHz on the EPYC 7401 — a 28.6% clock advantage for the EPYC 7443P (base: 2.85 GHz vs 2 GHz). The EPYC 7443P uses the Milan (2021−2023) architecture (7 nm+), while the EPYC 7401 uses Naples (2017−2018) (14 nm). In PassMark, the EPYC 7443P scores 56,808 against the EPYC 7401's 55,280 — a 2.7% lead for the EPYC 7443P. L3 cache: 128 MB (total) on the EPYC 7443P vs 64 MB (total) on the EPYC 7401.
| Feature | EPYC 7443P | EPYC 7401 |
|---|---|---|
| Cores / Threads | 24 / 48 | 24 / 48 |
| Boost Clock | 4 GHz+33% | 3 GHz |
| Base Clock | 2.85 GHz+43% | 2 GHz |
| L3 Cache | 128 MB (total)+100% | 64 MB (total) |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 7 nm+-50% | 14 nm |
| Architecture | Milan (2021−2023) | Naples (2017−2018) |
| PassMark | 56,808+3% | 55,280 |
Memory & Platform
The EPYC 7443P uses the SP3 socket (PCIe 4.0), while the EPYC 7401 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7443P versus 2666 on the EPYC 7401 — the EPYC 7443P supports 18.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7443P supports up to 4096 of RAM compared to 2048 — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7443P) and SP3 (EPYC 7401).
| Feature | EPYC 7443P | EPYC 7401 |
|---|---|---|
| Socket | SP3 | TR4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+20% | 2666 |
| Max RAM Capacity | 4096+100% | 2048 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7443P rivals Xeon Platinum 8362; EPYC 7401 rivals Xeon Silver 4114.
| Feature | EPYC 7443P | EPYC 7401 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The EPYC 7443P launched at $1337 MSRP, while the EPYC 7401 debuted at $1500. At current prices ($1045 vs $450), the EPYC 7401 is $595 cheaper. In terms of value (PassMark points per dollar), the EPYC 7443P delivers 54.4 pts/$ vs 122.8 pts/$ for the EPYC 7401 — making the EPYC 7401 the 77.3% better value option.
| Feature | EPYC 7443P | EPYC 7401 |
|---|---|---|
| MSRP | $1337-11% | $1500 |
| Avg Price (30d) | $1045 | $450-57% |
| Performance per Dollar | 54.4 | 122.8+126% |
| Release Date | 2021 | 2017 |
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