EPYC 7663 vs Xeon w9-3575X
EPYC 7663
Xeon w9-3575X
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 7663
Performance Per Dollar Xeon w9-3575X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7663 | Xeon w9-3575X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($6,366) | ✅ More affordable ($675) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | EPYC 7663 | Xeon w9-3575X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+848%) |
| Upfront Cost | ⚠️ Higher cost ($6,366) | ✅ More affordable ($675) |
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 7663 and Xeon w9-3575X
EPYC 7663
The EPYC 7663 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 56 cores and 112 threads. Base frequency is 2 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 82,120 points. Launch price was $6,366.
Xeon w9-3575X
The Xeon w9-3575X is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 44 cores and 88 threads. Base frequency is 2.2 GHz, with boost up to 4.8 GHz. L3 cache: 97.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 340 Watt. Memory support: DDR5-4800. Passmark benchmark score: 82,507 points. Launch price was $3,789.
Processing Power
The EPYC 7663 packs 56 cores / 112 threads, while the Xeon w9-3575X offers 44 cores / 88 threads — the EPYC 7663 has 12 more cores. Boost clocks reach 3.5 GHz on the EPYC 7663 versus 4.8 GHz on the Xeon w9-3575X — a 31.3% clock advantage for the Xeon w9-3575X (base: 2 GHz vs 2.2 GHz). The EPYC 7663 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w9-3575X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7663 scores 82,120 against the Xeon w9-3575X's 82,507 — a 0.5% lead for the Xeon w9-3575X. Geekbench 6 single-core — the metric most relevant to gaming — records 1,370 vs 2,300, a 50.7% lead for the Xeon w9-3575X that directly translates to higher frame rates. Multi-core Geekbench: 12,380 vs 19,320 (43.8% advantage for the Xeon w9-3575X). L3 cache: 256 MB (total) on the EPYC 7663 vs 97.5 MB on the Xeon w9-3575X.
| Feature | EPYC 7663 | Xeon w9-3575X |
|---|---|---|
| Cores / Threads | 56 / 112+27% | 44 / 88 |
| Boost Clock | 3.5 GHz | 4.8 GHz+37% |
| Base Clock | 2 GHz | 2.2 GHz+10% |
| L3 Cache | 256 MB (total)+163% | 97.5 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 | 82,120 | 82,507 |
| Cinebench R23 Multi | — | 60,000 |
| Geekbench 6 Single | 1,370 | 2,300+68% |
| Geekbench 6 Multi | 12,380 | 19,320+56% |
Memory & Platform
The EPYC 7663 uses the SP3 socket (PCIe 4.0), while the Xeon w9-3575X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7663 versus DDR5-4800 on the Xeon w9-3575X — the Xeon w9-3575X supports 22.2% 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: 128 (EPYC 7663) vs 112 (Xeon w9-3575X) — the EPYC 7663 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7663) and W790 (Xeon w9-3575X).
| Feature | EPYC 7663 | Xeon w9-3575X |
|---|---|---|
| Socket | SP3 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-4800+25% |
| Max RAM Capacity | 4096 GB | 4096 GB |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+14% | 112 |
Advanced Features
Only the Xeon w9-3575X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w9-3575X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (EPYC 7663) vs true (Xeon w9-3575X). Primary use case: EPYC 7663 targets Server. Direct competitor: EPYC 7663 rivals Xeon Platinum 8380; Xeon w9-3575X rivals Ryzen Threadripper 7970X.
| Feature | EPYC 7663 | Xeon w9-3575X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | true |
| Target Use | Server | — |
Value Analysis
The EPYC 7663 launched at $6366 MSRP, while the Xeon w9-3575X debuted at $3789. At current prices ($6366 vs $675), the Xeon w9-3575X is $5691 cheaper. In terms of value (PassMark points per dollar), the EPYC 7663 delivers 12.9 pts/$ vs 122.2 pts/$ for the Xeon w9-3575X — making the Xeon w9-3575X the 161.8% better value option.
| Feature | EPYC 7663 | Xeon w9-3575X |
|---|---|---|
| MSRP | $6366 | $3789-40% |
| Avg Price (30d) | $6366 | $675-89% |
| Performance per Dollar | 12.9 | 122.2+847% |
| Release Date | 2021 | 2024 |
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