Xeon Gold 6338 vs Ryzen Threadripper PRO 3955WX
Xeon Gold 6338
Ryzen Threadripper PRO 3955WX
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 Xeon Gold 6338
Performance Per Dollar Ryzen Threadripper PRO 3955WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6338 | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,604) | ✅ More affordable ($1,130) |
| Longevity | ✨ Modern (Legacy / 10 nm) | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6338 | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+41%) |
| Upfront Cost | ⚠️ Higher cost ($1,604) | ✅ More affordable ($1,130) |
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 Xeon Gold 6338 and Ryzen Threadripper PRO 3955WX
Xeon Gold 6338
The Xeon Gold 6338 is manufactured by Intel. It was released in 2015-01-01. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 48 MB. Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 205 Watt. Memory support: DDR4-3200. Passmark benchmark score: 40,225 points. Launch price was $800.
Ryzen Threadripper PRO 3955WX
The Ryzen Threadripper PRO 3955WX 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 16 cores and 32 threads. Base frequency is 3.9 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: 39,929 points. Launch price was $1,149.
Processing Power
The Xeon Gold 6338 packs 32 cores / 64 threads, while the Ryzen Threadripper PRO 3955WX offers 16 cores / 32 threads — the Xeon Gold 6338 has 16 more cores. Boost clocks reach 3.2 GHz on the Xeon Gold 6338 versus 4.3 GHz on the Ryzen Threadripper PRO 3955WX — a 29.3% clock advantage for the Ryzen Threadripper PRO 3955WX (base: 2 GHz vs 3.9 GHz). The Ryzen Threadripper PRO 3955WX is built on the Castle Peak (2020) architecture. In PassMark, the Xeon Gold 6338 scores 40,225 against the Ryzen Threadripper PRO 3955WX's 39,929 — a 0.7% lead for the Xeon Gold 6338. L3 cache: 48 MB on the Xeon Gold 6338 vs 64 MB on the Ryzen Threadripper PRO 3955WX.
| Feature | Xeon Gold 6338 | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cores / Threads | 32 / 64+100% | 16 / 32 |
| Boost Clock | 3.2 GHz | 4.3 GHz+34% |
| Base Clock | 2 GHz | 3.9 GHz+95% |
| L3 Cache | 48 MB | 64 MB+33% |
| L2 Cache | — | 512 kB (per core) |
| Process | 10 nm | 7 nm, 12 nm-30% |
| Architecture | — | Castle Peak (2020) |
| PassMark | 40,225 | 39,929 |
Memory & Platform
The Xeon Gold 6338 uses the LGA4189 socket (PCIe 4.0), while the Ryzen Threadripper PRO 3955WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to 3200 memory speed. The Xeon Gold 6338 supports up to 6144 of RAM compared to 2048 — 100% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 64 (Xeon Gold 6338) vs 128 (Ryzen Threadripper PRO 3955WX) — the Ryzen Threadripper PRO 3955WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621A (Xeon Gold 6338) and WRX80 (Ryzen Threadripper PRO 3955WX).
| Feature | Xeon Gold 6338 | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Socket | LGA4189 | sWRX8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200 | 3200 |
| Max RAM Capacity | 6144+200% | 2048 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64 | 128+100% |
Advanced Features
Only the Ryzen Threadripper PRO 3955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Gold 6338) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX). Direct competitor: Xeon Gold 6338 rivals EPYC 7543; Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314.
| Feature | Xeon Gold 6338 | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The Xeon Gold 6338 launched at $2990 MSRP, while the Ryzen Threadripper PRO 3955WX debuted at $1149. At current prices ($1604 vs $1130), the Ryzen Threadripper PRO 3955WX is $474 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6338 delivers 25.1 pts/$ vs 35.3 pts/$ for the Ryzen Threadripper PRO 3955WX — making the Ryzen Threadripper PRO 3955WX the 34% better value option.
| Feature | Xeon Gold 6338 | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| MSRP | $2990 | $1149-62% |
| Avg Price (30d) | $1604 | $1130-30% |
| Performance per Dollar | 25.1 | 35.3+41% |
| Release Date | 2021 | 2020 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon Gold 6338 and Ryzen Threadripper PRO 3955WX
