
Ryzen Threadripper PRO 3945WX vs EPYC 4344P

Ryzen Threadripper PRO 3945WX

EPYC 4344P
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 3945WX
Performance Per Dollar EPYC 4344P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3945WX | EPYC 4344P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($100) | ⚠️ Higher cost ($314) |
| Longevity | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) | ✨ Modern (Raphael (2023−2025) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3945WX | EPYC 4344P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+211%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($100) | ⚠️ Higher cost ($314) |
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 3945WX and EPYC 4344P

Ryzen Threadripper PRO 3945WX
The Ryzen Threadripper PRO 3945WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 12 cores and 24 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (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: 33,455 points. Launch price was $499.

EPYC 4344P
The EPYC 4344P is manufactured by AMD. It was released in 21 May 2024 (1 year ago). It is based on the Raphael (2023−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.3 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 33,821 points. Launch price was $329.
Processing Power
The Ryzen Threadripper PRO 3945WX packs 12 cores / 24 threads, while the EPYC 4344P offers 8 cores / 16 threads — the Ryzen Threadripper PRO 3945WX has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3945WX versus 5.3 GHz on the EPYC 4344P — a 20.8% clock advantage for the EPYC 4344P (base: 4 GHz vs 3.8 GHz). The Ryzen Threadripper PRO 3945WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the EPYC 4344P uses Raphael (2023−2025) (5 nm). In PassMark, the Ryzen Threadripper PRO 3945WX scores 33,455 against the EPYC 4344P's 33,821 — a 1.1% lead for the EPYC 4344P. Cinebench R23 multi-core: 18,500 vs 19,500 (5.3% advantage for the EPYC 4344P). Geekbench 6 single-core — the metric most relevant to gaming — records 1,652 vs 1,960, a 17.1% lead for the EPYC 4344P that directly translates to higher frame rates. Multi-core Geekbench: 11,500 vs 1,896 (143.4% advantage for the Ryzen Threadripper PRO 3945WX). L3 cache: 64 MB on the Ryzen Threadripper PRO 3945WX vs 32 MB (total) on the EPYC 4344P.
| Feature | Ryzen Threadripper PRO 3945WX | EPYC 4344P |
|---|---|---|
| Cores / Threads | 12 / 24+50% | 8 / 16 |
| Boost Clock | 4.3 GHz | 5.3 GHz+23% |
| Base Clock | 4 GHz+5% | 3.8 GHz |
| L3 Cache | 64 MB+100% | 32 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 12 nm | 5 nm-29% |
| Architecture | Castle Peak (2020) | Raphael (2023−2025) |
| PassMark | 33,455 | 33,821+1% |
| Cinebench R23 Multi | 18,500 | 19,500+5% |
| Geekbench 6 Single | 1,652 | 1,960+19% |
| Geekbench 6 Multi | 11,500+507% | 1,896 |
Memory & Platform
The Ryzen Threadripper PRO 3945WX uses the sWRX8 socket (PCIe 4.0), while the EPYC 4344P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper PRO 3945WX versus DDR5-5200 on the EPYC 4344P — the EPYC 4344P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3945WX supports up to 2048 GB of RAM compared to 192 GB — 165.7% more capacity for professional workloads. Memory channels: 8 (Ryzen Threadripper PRO 3945WX) vs 2 (EPYC 4344P). PCIe lanes: 128 (Ryzen Threadripper PRO 3945WX) vs 28 (EPYC 4344P) — the Ryzen Threadripper PRO 3945WX offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3945WX) and B650,X670,X870 (EPYC 4344P).
| Feature | Ryzen Threadripper PRO 3945WX | EPYC 4344P |
|---|---|---|
| Socket | sWRX8 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR5-5200+25% |
| Max RAM Capacity | 2048 GB+967% | 192 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the Ryzen Threadripper PRO 3945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 4344P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen Threadripper PRO 3945WX) vs AMD-V, AMD-Vi (EPYC 4344P). The EPYC 4344P includes integrated graphics (Radeon Graphics), while the Ryzen Threadripper PRO 3945WX requires a dedicated GPU. Primary use case: Ryzen Threadripper PRO 3945WX targets Professional Workstation, EPYC 4344P targets Entry Server. Direct competitor: Ryzen Threadripper PRO 3945WX rivals Xeon w5-2455X; EPYC 4344P rivals Xeon E-2468.
| Feature | Ryzen Threadripper PRO 3945WX | EPYC 4344P |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon Graphics |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V, AMD-Vi |
| Target Use | Professional Workstation | Entry Server |
Value Analysis
The Ryzen Threadripper PRO 3945WX launched at $1149 MSRP, while the EPYC 4344P debuted at $329. At current prices ($100 vs $314), the Ryzen Threadripper PRO 3945WX is $214 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3945WX delivers 334.6 pts/$ vs 107.7 pts/$ for the EPYC 4344P — making the Ryzen Threadripper PRO 3945WX the 102.6% better value option.
| Feature | Ryzen Threadripper PRO 3945WX | EPYC 4344P |
|---|---|---|
| MSRP | $1149 | $329-71% |
| Avg Price (30d) | $100-68% | $314 |
| Performance per Dollar | 334.6+211% | 107.7 |
| Release Date | 2020 | 2024 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.

















