EPYC 7643P vs Ryzen Threadripper PRO 7965WX
EPYC 7643P
Ryzen Threadripper PRO 7965WX
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 7643P
Performance Per Dollar Ryzen Threadripper PRO 7965WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7643P | Ryzen Threadripper PRO 7965WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($2,722) | ⚠️ Higher cost ($2,782) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm) | ✨ Modern (Storm Peak (2023) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7643P | Ryzen Threadripper PRO 7965WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+4%) |
| Upfront Cost | ✅ More affordable ($2,722) | ⚠️ Higher cost ($2,782) |
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 7643P and Ryzen Threadripper PRO 7965WX
EPYC 7643P
The EPYC 7643P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 3.6 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. Passmark benchmark score: 77,307 points. Launch price was $2,722.
Ryzen Threadripper PRO 7965WX
The Ryzen Threadripper PRO 7965WX is manufactured by AMD. It was released in 19 October 2023 (2 years ago). It is based on the Storm Peak (2023) architecture. It features 24 cores and 48 threads. Base frequency is 4.2 GHz, with boost up to 5.3 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 82,268 points. Launch price was $2,649.
Processing Power
The EPYC 7643P packs 48 cores / 96 threads, while the Ryzen Threadripper PRO 7965WX offers 24 cores / 48 threads — the EPYC 7643P has 24 more cores. Boost clocks reach 3.6 GHz on the EPYC 7643P versus 5.3 GHz on the Ryzen Threadripper PRO 7965WX — a 38.2% clock advantage for the Ryzen Threadripper PRO 7965WX (base: 2.3 GHz vs 4.2 GHz). The EPYC 7643P uses the Milan (2021−2023) architecture (7 nm), while the Ryzen Threadripper PRO 7965WX uses Storm Peak (2023) (5 nm). In PassMark, the EPYC 7643P scores 77,307 against the Ryzen Threadripper PRO 7965WX's 82,268 — a 6.2% lead for the Ryzen Threadripper PRO 7965WX. L3 cache: 256 MB (total) on the EPYC 7643P vs 128 MB (total) on the Ryzen Threadripper PRO 7965WX.
| Feature | EPYC 7643P | Ryzen Threadripper PRO 7965WX |
|---|---|---|
| Cores / Threads | 48 / 96+100% | 24 / 48 |
| Boost Clock | 3.6 GHz | 5.3 GHz+47% |
| Base Clock | 2.3 GHz | 4.2 GHz+83% |
| L3 Cache | 256 MB (total)+100% | 128 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm | 5 nm-29% |
| Architecture | Milan (2021−2023) | Storm Peak (2023) |
| PassMark | 77,307 | 82,268+6% |
| Cinebench R23 Multi | — | 38,000 |
| Geekbench 6 Single | — | 2,686 |
| Geekbench 6 Multi | — | 23,294 |
Memory & Platform
The EPYC 7643P uses the SP3 socket (PCIe 4.0), while the Ryzen Threadripper PRO 7965WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7643P versus DDR5-5200 on the Ryzen Threadripper PRO 7965WX — the EPYC 7643P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7643P supports up to 4096 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: SP3 (EPYC 7643P) and WRX90,TRX50 (Ryzen Threadripper PRO 7965WX).
| Feature | EPYC 7643P | Ryzen Threadripper PRO 7965WX |
|---|---|---|
| Socket | SP3 | sTR5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+63900% | DDR5-5200 |
| Max RAM Capacity | 4096 | 2048 GB+52428700% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Only the Ryzen Threadripper PRO 7965WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen Threadripper PRO 7965WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, SEV (EPYC 7643P) vs true (Ryzen Threadripper PRO 7965WX). Direct competitor: EPYC 7643P rivals Xeon Platinum 8380.
| Feature | EPYC 7643P | Ryzen Threadripper PRO 7965WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d, SEV | true |
Value Analysis
The EPYC 7643P launched at $2722 MSRP, while the Ryzen Threadripper PRO 7965WX debuted at $2649. At current prices ($2722 vs $2782), the EPYC 7643P is $60 cheaper. In terms of value (PassMark points per dollar), the EPYC 7643P delivers 28.4 pts/$ vs 29.6 pts/$ for the Ryzen Threadripper PRO 7965WX — making the Ryzen Threadripper PRO 7965WX the 4% better value option.
| Feature | EPYC 7643P | Ryzen Threadripper PRO 7965WX |
|---|---|---|
| MSRP | $2722 | $2649-3% |
| Avg Price (30d) | $2722-2% | $2782 |
| Performance per Dollar | 28.4 | 29.6+4% |
| Release Date | 2023 | 2023 |
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