EPYC 7543 vs Xeon w9-3475X
EPYC 7543
Xeon w9-3475X
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 7543
Performance Per Dollar Xeon w9-3475X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7543 | Xeon w9-3475X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($468) | ⚠️ Higher cost ($3,930) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | EPYC 7543 | Xeon w9-3475X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+712%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($468) | ⚠️ Higher cost ($3,930) |
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 7543 and Xeon w9-3475X
EPYC 7543
The EPYC 7543 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 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 62,952 points. Launch price was $3,761.
Xeon w9-3475X
The Xeon w9-3475X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 36 cores and 72 threads. Base frequency is 2.2 GHz, with boost up to 4.8 GHz. L3 cache: 82.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 300 Watt. Memory support: DDR5-4800. Passmark benchmark score: 65,077 points. Launch price was $3,739.
Processing Power
The EPYC 7543 packs 32 cores / 64 threads, while the Xeon w9-3475X offers 36 cores / 72 threads — the Xeon w9-3475X has 4 more cores. Boost clocks reach 3.7 GHz on the EPYC 7543 versus 4.8 GHz on the Xeon w9-3475X — a 25.9% clock advantage for the Xeon w9-3475X (base: 2.8 GHz vs 2.2 GHz). The EPYC 7543 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w9-3475X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7543 scores 62,952 against the Xeon w9-3475X's 65,077 — a 3.3% lead for the Xeon w9-3475X. L3 cache: 256 MB (total) on the EPYC 7543 vs 82.5 MB on the Xeon w9-3475X.
| Feature | EPYC 7543 | Xeon w9-3475X |
|---|---|---|
| Cores / Threads | 32 / 64 | 36 / 72+13% |
| Boost Clock | 3.7 GHz | 4.8 GHz+30% |
| Base Clock | 2.8 GHz+27% | 2.2 GHz |
| L3 Cache | 256 MB (total)+210% | 82.5 MB |
| L2 Cache | 512 kB (per core) | 2 MB (per core)+300% |
| Process | 7 nm+ | Intel 7 nm |
| Architecture | Milan (2021−2023) | Sapphire Rapids (2023−2024) |
| PassMark | 62,952 | 65,077+3% |
| Geekbench 6 Single | — | 1,814 |
| Geekbench 6 Multi | — | 44,869 |
Memory & Platform
The EPYC 7543 uses the SP3 socket (PCIe 4.0), while the Xeon w9-3475X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7543 versus DDR5-4800 on the Xeon w9-3475X — the EPYC 7543 supports 199.4% 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 7543) vs 112 (Xeon w9-3475X) — the EPYC 7543 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7543) and W790 (Xeon w9-3475X).
| Feature | EPYC 7543 | Xeon w9-3475X |
|---|---|---|
| Socket | SP3 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-4800 |
| Max RAM Capacity | 4096 | 4096 GB+104857500% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+14% | 112 |
Advanced Features
Only the Xeon w9-3475X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w9-3475X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7543) vs true (Xeon w9-3475X). Direct competitor: EPYC 7543 rivals Xeon Platinum 8380; Xeon w9-3475X rivals Threadripper PRO 7965WX.
| Feature | EPYC 7543 | Xeon w9-3475X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The EPYC 7543 launched at $10257 MSRP, while the Xeon w9-3475X debuted at $3739. At current prices ($468 vs $3930), the EPYC 7543 is $3462 cheaper. In terms of value (PassMark points per dollar), the EPYC 7543 delivers 134.5 pts/$ vs 16.6 pts/$ for the Xeon w9-3475X — making the EPYC 7543 the 156.2% better value option.
| Feature | EPYC 7543 | Xeon w9-3475X |
|---|---|---|
| MSRP | $10257 | $3739-64% |
| Avg Price (30d) | $468-88% | $3930 |
| Performance per Dollar | 134.5+710% | 16.6 |
| Release Date | 2021 | 2023 |
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