EPYC 7642 vs Ryzen Threadripper PRO 7955WX
EPYC 7642
Ryzen Threadripper PRO 7955WX
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 7642
Performance Per Dollar Ryzen Threadripper PRO 7955WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7642 | Ryzen Threadripper PRO 7955WX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($850) | ⚠️ Higher cost ($1,836) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) | ✨ Modern (Storm Peak (2023) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7642 | Ryzen Threadripper PRO 7955WX |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+113%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($850) | ⚠️ Higher cost ($1,836) |
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 7642 and Ryzen Threadripper PRO 7955WX
EPYC 7642
The EPYC 7642 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 48 cores and 96 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 256 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 225 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 59,333 points. Launch price was $4,775.
Ryzen Threadripper PRO 7955WX
The Ryzen Threadripper PRO 7955WX 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 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.3 GHz. L3 cache: 64 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: 60,054 points. Launch price was $1,899.
Processing Power
The EPYC 7642 packs 48 cores / 96 threads, while the Ryzen Threadripper PRO 7955WX offers 16 cores / 32 threads — the EPYC 7642 has 32 more cores. Boost clocks reach 3.4 GHz on the EPYC 7642 versus 5.3 GHz on the Ryzen Threadripper PRO 7955WX — a 43.7% clock advantage for the Ryzen Threadripper PRO 7955WX (base: 2.4 GHz vs 4.5 GHz). The EPYC 7642 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the Ryzen Threadripper PRO 7955WX uses Storm Peak (2023) (5 nm). In PassMark, the EPYC 7642 scores 59,333 against the Ryzen Threadripper PRO 7955WX's 60,054 — a 1.2% lead for the Ryzen Threadripper PRO 7955WX. L3 cache: 256 MB (total) on the EPYC 7642 vs 64 MB (total) on the Ryzen Threadripper PRO 7955WX.
| Feature | EPYC 7642 | Ryzen Threadripper PRO 7955WX |
|---|---|---|
| Cores / Threads | 48 / 96+200% | 16 / 32 |
| Boost Clock | 3.4 GHz | 5.3 GHz+56% |
| Base Clock | 2.4 GHz | 4.5 GHz+88% |
| L3 Cache | 256 MB (total)+300% | 64 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 14 nm | 5 nm-29% |
| Architecture | Zen 2 (2017−2020) | Storm Peak (2023) |
| PassMark | 59,333 | 60,054+1% |
| Cinebench R23 Multi | — | 36,742 |
| Geekbench 6 Single | — | 3,020 |
| Geekbench 6 Multi | — | 21,079 |
Memory & Platform
The EPYC 7642 uses the TR4 socket (PCIe 4.0), while the Ryzen Threadripper PRO 7955WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7642 versus DDR5-5200 on the Ryzen Threadripper PRO 7955WX — the EPYC 7642 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7642 supports up to 4096 of RAM compared to 1024 GB — 120% more capacity for professional workloads. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7642) and WRX90,TRX50 (Ryzen Threadripper PRO 7955WX).
| Feature | EPYC 7642 | Ryzen Threadripper PRO 7955WX |
|---|---|---|
| Socket | TR4 | sTR5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+63900% | DDR5-5200 |
| Max RAM Capacity | 4096 | 1024 GB+26214300% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Only the Ryzen Threadripper PRO 7955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen Threadripper PRO 7955WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7642) vs true (Ryzen Threadripper PRO 7955WX). Direct competitor: EPYC 7642 rivals Xeon Platinum 8380; Ryzen Threadripper PRO 7955WX rivals Xeon w7-2495X.
| Feature | EPYC 7642 | Ryzen Threadripper PRO 7955WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The EPYC 7642 launched at $4775 MSRP, while the Ryzen Threadripper PRO 7955WX debuted at $1899. At current prices ($850 vs $1836), the EPYC 7642 is $986 cheaper. In terms of value (PassMark points per dollar), the EPYC 7642 delivers 69.8 pts/$ vs 32.7 pts/$ for the Ryzen Threadripper PRO 7955WX — making the EPYC 7642 the 72.4% better value option.
| Feature | EPYC 7642 | Ryzen Threadripper PRO 7955WX |
|---|---|---|
| MSRP | $4775 | $1899-60% |
| Avg Price (30d) | $850-54% | $1836 |
| Performance per Dollar | 69.8+113% | 32.7 |
| Release Date | 2019 | 2023 |
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