CPU
GPU
EPYC 7443
Xeon Gold 6423N
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 7443
Performance Per Dollar Xeon Gold 6423N
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7443 | Xeon Gold 6423N |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,800) | ⚠️ Higher cost ($2,161) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | EPYC 7443 | Xeon Gold 6423N |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+19%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,800) | ⚠️ Higher cost ($2,161) |
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.
Counter-Strike 2
League of Legends
Technical Specifications
Side-by-side comparison of EPYC 7443 and Xeon Gold 6423N
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.
Xeon Gold 6423N
The Xeon Gold 6423N is manufactured by Intel. It was released in 2023-07-01. It features 28 cores and 56 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 52.5 MB. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 195 Watt. Memory support: DDR5-4400. Passmark benchmark score: 57,434 points. Launch price was $2,161.
Processing Power
The EPYC 7443 packs 24 cores / 48 threads, while the Xeon Gold 6423N offers 28 cores / 56 threads — the Xeon Gold 6423N has 4 more cores. Boost clocks reach 4 GHz on the EPYC 7443 versus 3.6 GHz on the Xeon Gold 6423N — a 10.5% clock advantage for the EPYC 7443 (base: 2.85 GHz vs 2 GHz). The EPYC 7443 is built on the Milan (2021−2023) architecture. In PassMark, the EPYC 7443 scores 56,743 against the Xeon Gold 6423N's 57,434 — a 1.2% lead for the Xeon Gold 6423N. L3 cache: 128 MB (total) on the EPYC 7443 vs 52.5 MB on the Xeon Gold 6423N.
| Feature | EPYC 7443 | Xeon Gold 6423N |
|---|---|---|
| Cores / Threads | 24 / 48 | 28 / 56+17% |
| Boost Clock | 4 GHz+11% | 3.6 GHz |
| Base Clock | 2.85 GHz+43% | 2 GHz |
| L3 Cache | 128 MB (total)+144% | 52.5 MB |
| L2 Cache | 512 kB (per core) | — |
| Process | 7 nm+ | Intel 7 nm |
| Architecture | Milan (2021−2023) | — |
| PassMark | 56,743 | 57,434+1% |
Memory & Platform
The EPYC 7443 uses the SP3 socket (PCIe 4.0), while the Xeon Gold 6423N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7443 versus 4800 on the Xeon Gold 6423N — the Xeon Gold 6423N supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7443) vs 80 (Xeon Gold 6423N) — the EPYC 7443 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7443) and C741 (Xeon Gold 6423N).
| Feature | EPYC 7443 | Xeon Gold 6423N |
|---|---|---|
| Socket | SP3 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | 4800+50% |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Neither processor supports overclocking. Only the Xeon Gold 6423N supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7443 rivals Xeon Platinum 8362; Xeon Gold 6423N rivals EPYC 9354.
| Feature | EPYC 7443 | Xeon Gold 6423N |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The EPYC 7443 launched at $2010 MSRP, while the Xeon Gold 6423N debuted at $2161. At current prices ($1800 vs $2161), the EPYC 7443 is $361 cheaper. In terms of value (PassMark points per dollar), the EPYC 7443 delivers 31.5 pts/$ vs 26.6 pts/$ for the Xeon Gold 6423N — making the EPYC 7443 the 17% better value option.
| Feature | EPYC 7443 | Xeon Gold 6423N |
|---|---|---|
| MSRP | $2010-7% | $2161 |
| Avg Price (30d) | $1800-17% | $2161 |
| Performance per Dollar | 31.5+18% | 26.6 |
| Release Date | 2021 | 2023 |
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