EPYC 7401 vs EPYC 7443
EPYC 7401
EPYC 7443
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 7443
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7401 | EPYC 7443 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($450) | ⚠️ Higher cost ($1,800) |
| Longevity | ✨ Modern (Naples (2017−2018) / 14 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | EPYC 7401 | EPYC 7443 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+290%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($450) | ⚠️ Higher cost ($1,800) |
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 7443
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 7443
The EPYC 7443 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: 56,743 points. Launch price was $2,010.
Processing Power
Both the EPYC 7401 and EPYC 7443 share an identical 24-core/48-thread configuration. Boost clocks reach 3 GHz on the EPYC 7401 versus 4 GHz on the EPYC 7443 — a 28.6% clock advantage for the EPYC 7443 (base: 2 GHz vs 2.85 GHz). The EPYC 7401 uses the Naples (2017−2018) architecture (14 nm), while the EPYC 7443 uses Milan (2021−2023) (7 nm+). In PassMark, the EPYC 7401 scores 55,280 against the EPYC 7443's 56,743 — a 2.6% lead for the EPYC 7443. L3 cache: 64 MB (total) on the EPYC 7401 vs 128 MB (total) on the EPYC 7443.
| Feature | EPYC 7401 | EPYC 7443 |
|---|---|---|
| Cores / Threads | 24 / 48 | 24 / 48 |
| Boost Clock | 3 GHz | 4 GHz+33% |
| Base Clock | 2 GHz | 2.85 GHz+43% |
| L3 Cache | 64 MB (total) | 128 MB (total)+100% |
| L2 Cache | 512K (per core) | 512 kB (per core) |
| Process | 14 nm | 7 nm+-50% |
| Architecture | Naples (2017−2018) | Milan (2021−2023) |
| PassMark | 55,280 | 56,743+3% |
Memory & Platform
The EPYC 7401 uses the TR4 socket (PCIe 4.0), while the EPYC 7443 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the EPYC 7401 versus 3200 on the EPYC 7443 — the EPYC 7443 supports 18.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7443 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 7401) and SP3 (EPYC 7443).
| Feature | EPYC 7401 | EPYC 7443 |
|---|---|---|
| Socket | TR4 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 2666 | 3200+20% |
| Max RAM Capacity | 2048 | 4096+100% |
| 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 7401 rivals Xeon Silver 4114; EPYC 7443 rivals Xeon Platinum 8362.
| Feature | EPYC 7401 | EPYC 7443 |
|---|---|---|
| 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 7401 launched at $1500 MSRP, while the EPYC 7443 debuted at $2010. At current prices ($450 vs $1800), the EPYC 7401 is $1350 cheaper. In terms of value (PassMark points per dollar), the EPYC 7401 delivers 122.8 pts/$ vs 31.5 pts/$ for the EPYC 7443 — making the EPYC 7401 the 118.3% better value option.
| Feature | EPYC 7401 | EPYC 7443 |
|---|---|---|
| MSRP | $1500-25% | $2010 |
| Avg Price (30d) | $450-75% | $1800 |
| Performance per Dollar | 122.8+290% | 31.5 |
| Release Date | 2017 | 2021 |
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