Ryzen Threadripper PRO 7955WX vs EPYC 7642
Ryzen Threadripper PRO 7955WX
EPYC 7642
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 7955WX
Performance Per Dollar EPYC 7642
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 7955WX | EPYC 7642 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,836) | ✅ More affordable ($850) |
| Longevity | ✨ Modern (Storm Peak (2023) / 5 nm) | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 7955WX | EPYC 7642 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+113%) |
| Upfront Cost | ⚠️ Higher cost ($1,836) | ✅ More affordable ($850) |
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 7955WX and EPYC 7642
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.
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.
Processing Power
The Ryzen Threadripper PRO 7955WX packs 16 cores / 32 threads, while the EPYC 7642 offers 48 cores / 96 threads — the EPYC 7642 has 32 more cores. Boost clocks reach 5.3 GHz on the Ryzen Threadripper PRO 7955WX versus 3.4 GHz on the EPYC 7642 — a 43.7% clock advantage for the Ryzen Threadripper PRO 7955WX (base: 4.5 GHz vs 2.4 GHz). The Ryzen Threadripper PRO 7955WX uses the Storm Peak (2023) architecture (5 nm), while the EPYC 7642 uses Zen 2 (2017−2020) (7 nm, 14 nm). In PassMark, the Ryzen Threadripper PRO 7955WX scores 60,054 against the EPYC 7642's 59,333 — a 1.2% lead for the Ryzen Threadripper PRO 7955WX. L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 7955WX vs 256 MB (total) on the EPYC 7642.
| Feature | Ryzen Threadripper PRO 7955WX | EPYC 7642 |
|---|---|---|
| Cores / Threads | 16 / 32 | 48 / 96+200% |
| Boost Clock | 5.3 GHz+56% | 3.4 GHz |
| Base Clock | 4.5 GHz+88% | 2.4 GHz |
| L3 Cache | 64 MB (total) | 256 MB (total)+300% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 5 nm-29% | 7 nm, 14 nm |
| Architecture | Storm Peak (2023) | Zen 2 (2017−2020) |
| PassMark | 60,054+1% | 59,333 |
| Cinebench R23 Multi | 36,742 | — |
| Geekbench 6 Single | 3,020 | — |
| Geekbench 6 Multi | 21,079 | — |
Memory & Platform
The Ryzen Threadripper PRO 7955WX uses the sTR5 socket (PCIe 4.0), while the EPYC 7642 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen Threadripper PRO 7955WX versus 3200 on the EPYC 7642 — 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: WRX90,TRX50 (Ryzen Threadripper PRO 7955WX) and SP3 (EPYC 7642).
| Feature | Ryzen Threadripper PRO 7955WX | EPYC 7642 |
|---|---|---|
| Socket | sTR5 | TR4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR5-5200 | 3200+63900% |
| Max RAM Capacity | 1024 GB+26214300% | 4096 |
| 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: true (Ryzen Threadripper PRO 7955WX) vs VT-x, VT-d (EPYC 7642). Direct competitor: Ryzen Threadripper PRO 7955WX rivals Xeon w7-2495X; EPYC 7642 rivals Xeon Platinum 8380.
| Feature | Ryzen Threadripper PRO 7955WX | EPYC 7642 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | No |
| Virtualization | true | VT-x, VT-d |
Value Analysis
The Ryzen Threadripper PRO 7955WX launched at $1899 MSRP, while the EPYC 7642 debuted at $4775. At current prices ($1836 vs $850), the EPYC 7642 is $986 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 7955WX delivers 32.7 pts/$ vs 69.8 pts/$ for the EPYC 7642 — making the EPYC 7642 the 72.4% better value option.
| Feature | Ryzen Threadripper PRO 7955WX | EPYC 7642 |
|---|---|---|
| MSRP | $1899-60% | $4775 |
| Avg Price (30d) | $1836 | $850-54% |
| Performance per Dollar | 32.7 | 69.8+113% |
| Release Date | 2023 | 2019 |
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