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