Ryzen Threadripper PRO 3995WX vs EPYC 7663
Ryzen Threadripper PRO 3995WX
EPYC 7663
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 Ryzen Threadripper PRO 3995WX
Performance Per Dollar EPYC 7663
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3995WX | EPYC 7663 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($3,486) | ⚠️ Higher cost ($6,366) |
| Longevity | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3995WX | EPYC 7663 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+85%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($3,486) | ⚠️ Higher cost ($6,366) |
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 Ryzen Threadripper PRO 3995WX and EPYC 7663
Ryzen Threadripper PRO 3995WX
The Ryzen Threadripper PRO 3995WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Matisse (2019−2020) architecture. It features 64 cores and 128 threads. Base frequency is 2.7 GHz, with boost up to 4.2 GHz. L3 cache: 256 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 83,235 points. Launch price was $5,500.
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.
Processing Power
The Ryzen Threadripper PRO 3995WX packs 64 cores / 128 threads, while the EPYC 7663 offers 56 cores / 112 threads — the Ryzen Threadripper PRO 3995WX has 8 more cores. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3995WX versus 3.5 GHz on the EPYC 7663 — a 18.2% clock advantage for the Ryzen Threadripper PRO 3995WX (base: 2.7 GHz vs 2 GHz). The Ryzen Threadripper PRO 3995WX uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the EPYC 7663 uses Milan (2021−2023) (7 nm+). In PassMark, the Ryzen Threadripper PRO 3995WX scores 83,235 against the EPYC 7663's 82,120 — a 1.3% lead for the Ryzen Threadripper PRO 3995WX. Geekbench 6 single-core — the metric most relevant to gaming — records 1,266 vs 1,370, a 7.9% lead for the EPYC 7663 that directly translates to higher frame rates. Multi-core Geekbench: 20,256 vs 12,380 (48.3% advantage for the Ryzen Threadripper PRO 3995WX). L3 cache: 256 MB on the Ryzen Threadripper PRO 3995WX vs 256 MB (total) on the EPYC 7663.
| Feature | Ryzen Threadripper PRO 3995WX | EPYC 7663 |
|---|---|---|
| Cores / Threads | 64 / 128+14% | 56 / 112 |
| Boost Clock | 4.2 GHz+20% | 3.5 GHz |
| Base Clock | 2.7 GHz+35% | 2 GHz |
| L3 Cache | 256 MB | 256 MB (total) |
| L2 Cache | 512K (per core) | 512 kB (per core) |
| Process | 7 nm, 12 nm | 7 nm+ |
| Architecture | Matisse (2019−2020) | Milan (2021−2023) |
| PassMark | 83,235+1% | 82,120 |
| Cinebench R23 Multi | 64,355 | — |
| Geekbench 6 Single | 1,266 | 1,370+8% |
| Geekbench 6 Multi | 20,256+64% | 12,380 |
Memory & Platform
The Ryzen Threadripper PRO 3995WX uses the sWRX8 socket (PCIe 4.0), while the EPYC 7663 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The EPYC 7663 supports up to 4096 GB of RAM compared to 2048 GB — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3995WX) and SP3 (EPYC 7663).
| Feature | Ryzen Threadripper PRO 3995WX | EPYC 7663 |
|---|---|---|
| Socket | sWRX8 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 2048 GB | 4096 GB+100% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Only the Ryzen Threadripper PRO 3995WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Ryzen Threadripper PRO 3995WX) vs AMD-V (EPYC 7663). Primary use case: EPYC 7663 targets Server. Direct competitor: Ryzen Threadripper PRO 3995WX rivals Xeon Platinum 8280; EPYC 7663 rivals Xeon Platinum 8380.
| Feature | Ryzen Threadripper PRO 3995WX | EPYC 7663 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | true | AMD-V |
| Target Use | — | Server |
Value Analysis
The Ryzen Threadripper PRO 3995WX launched at $5489 MSRP, while the EPYC 7663 debuted at $6366. At current prices ($3486 vs $6366), the Ryzen Threadripper PRO 3995WX is $2880 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3995WX delivers 23.9 pts/$ vs 12.9 pts/$ for the EPYC 7663 — making the Ryzen Threadripper PRO 3995WX the 59.7% better value option.
| Feature | Ryzen Threadripper PRO 3995WX | EPYC 7663 |
|---|---|---|
| MSRP | $5489-14% | $6366 |
| Avg Price (30d) | $3486-45% | $6366 |
| Performance per Dollar | 23.9+85% | 12.9 |
| Release Date | 2020 | 2021 |
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