Xeon Gold 6438Y+ vs Ryzen Threadripper PRO 3975WX
Xeon Gold 6438Y+
Ryzen Threadripper PRO 3975WX
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 6438Y+
Performance Per Dollar Ryzen Threadripper PRO 3975WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6438Y+ | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($389) | ✅ More affordable ($368) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / 10 nm) | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6438Y+ | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+5%) |
| Upfront Cost | ⚠️ Higher cost ($389) | ✅ More affordable ($368) |
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 6438Y+ and Ryzen Threadripper PRO 3975WX
Xeon Gold 6438Y+
The Xeon Gold 6438Y+ is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 4 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5-4800. Passmark benchmark score: 62,660 points. Launch price was $3,141.
Ryzen Threadripper PRO 3975WX
The Ryzen Threadripper PRO 3975WX is manufactured by AMD. It was released in 2020-07-14. It is based on the Matisse (2019−2020) architecture. It features 32 cores and 64 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 128 MB. L2 cache: 512K (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: 62,261 points. Launch price was $4,499.
Processing Power
Both the Xeon Gold 6438Y+ and Ryzen Threadripper PRO 3975WX share an identical 32-core/64-thread configuration. Boost clocks reach 4 GHz on the Xeon Gold 6438Y+ versus 4.2 GHz on the Ryzen Threadripper PRO 3975WX — a 4.9% clock advantage for the Ryzen Threadripper PRO 3975WX (base: 2 GHz vs 3.5 GHz). The Xeon Gold 6438Y+ uses the Sapphire Rapids (2023−2024) architecture (10 nm), while the Ryzen Threadripper PRO 3975WX uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Xeon Gold 6438Y+ scores 62,660 against the Ryzen Threadripper PRO 3975WX's 62,261 — a 0.6% lead for the Xeon Gold 6438Y+. L3 cache: 60 MB on the Xeon Gold 6438Y+ vs 128 MB on the Ryzen Threadripper PRO 3975WX.
| Feature | Xeon Gold 6438Y+ | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Cores / Threads | 32 / 64 | 32 / 64 |
| Boost Clock | 4 GHz | 4.2 GHz+5% |
| Base Clock | 2 GHz | 3.5 GHz+75% |
| L3 Cache | 60 MB | 128 MB+113% |
| L2 Cache | 2 MB (per core)+300% | 512K (per core) |
| Process | 10 nm | 7 nm, 12 nm-30% |
| Architecture | Sapphire Rapids (2023−2024) | Matisse (2019−2020) |
| PassMark | 62,660 | 62,261 |
| Cinebench R23 Multi | — | 42,986 |
| Geekbench 6 Single | — | 1,260 |
| Geekbench 6 Multi | — | 25,211 |
Memory & Platform
The Xeon Gold 6438Y+ uses the LGA4677 socket (PCIe 5.0), while the Ryzen Threadripper PRO 3975WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon Gold 6438Y+ versus DDR4-3200 on the Ryzen Threadripper PRO 3975WX — the Xeon Gold 6438Y+ supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6438Y+ 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. PCIe lanes: 80 (Xeon Gold 6438Y+) vs 128 (Ryzen Threadripper PRO 3975WX) — the Ryzen Threadripper PRO 3975WX offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6438Y+) and AMD WRX80 (Ryzen Threadripper PRO 3975WX).
| Feature | Xeon Gold 6438Y+ | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Socket | LGA4677 | sWRX8 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800+119900% | DDR4-3200 |
| Max RAM Capacity | 4096 | 2048 GB+52428700% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80 | 128+60% |
Advanced Features
Only the Ryzen Threadripper PRO 3975WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6438Y+ supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Xeon Gold 6438Y+) vs true (Ryzen Threadripper PRO 3975WX). Direct competitor: Xeon Gold 6438Y+ rivals EPYC 9354; Ryzen Threadripper PRO 3975WX rivals Xeon W-3375.
| Feature | Xeon Gold 6438Y+ | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The Xeon Gold 6438Y+ launched at $2607 MSRP, while the Ryzen Threadripper PRO 3975WX debuted at $1337. At current prices ($389 vs $368), the Ryzen Threadripper PRO 3975WX is $21 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6438Y+ delivers 161.1 pts/$ vs 169.2 pts/$ for the Ryzen Threadripper PRO 3975WX — making the Ryzen Threadripper PRO 3975WX the 4.9% better value option.
| Feature | Xeon Gold 6438Y+ | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| MSRP | $2607 | $1337-49% |
| Avg Price (30d) | $389 | $368-5% |
| Performance per Dollar | 161.1 | 169.2+5% |
| Release Date | 2023 | 2020 |
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