Xeon W-3275M vs Xeon Gold 6338
Xeon W-3275M
Xeon Gold 6338
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 W-3275M
Performance Per Dollar Xeon Gold 6338
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3275M | Xeon Gold 6338 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($4,449) | ✅ More affordable ($1,604) |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Legacy / 10 nm) |
💎 Value Proposition
| Insight | Xeon W-3275M | Xeon Gold 6338 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+176%) |
| Upfront Cost | ⚠️ Higher cost ($4,449) | ✅ More affordable ($1,604) |
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 W-3275M and Xeon Gold 6338
Xeon W-3275M
The Xeon W-3275M is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 40,419 points. Launch price was $7,453.
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.
Processing Power
The Xeon W-3275M packs 28 cores / 56 threads, while the Xeon Gold 6338 offers 32 cores / 64 threads — the Xeon Gold 6338 has 4 more cores. Boost clocks reach 4.6 GHz on the Xeon W-3275M versus 3.2 GHz on the Xeon Gold 6338 — a 35.9% clock advantage for the Xeon W-3275M (base: 2.5 GHz vs 2 GHz). The Xeon W-3275M is built on the Cascade Lake (2019−2020) architecture. In PassMark, the Xeon W-3275M scores 40,419 against the Xeon Gold 6338's 40,225 — a 0.5% lead for the Xeon W-3275M. L3 cache: 38.5 MB on the Xeon W-3275M vs 48 MB on the Xeon Gold 6338.
| Feature | Xeon W-3275M | Xeon Gold 6338 |
|---|---|---|
| Cores / Threads | 28 / 56 | 32 / 64+14% |
| Boost Clock | 4.6 GHz+44% | 3.2 GHz |
| Base Clock | 2.5 GHz+25% | 2 GHz |
| L3 Cache | 38.5 MB | 48 MB+25% |
| L2 Cache | 28 MB | — |
| Process | 14 nm | 10 nm-29% |
| Architecture | Cascade Lake (2019−2020) | — |
| PassMark | 40,419 | 40,225 |
Memory & Platform
The Xeon W-3275M uses the LGA3647 socket (PCIe 3.0), while the Xeon Gold 6338 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2933 on the Xeon W-3275M versus 3200 on the Xeon Gold 6338 — the Xeon Gold 6338 supports 8.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338 supports up to 6144 of RAM compared to 2048 — 100% more capacity for professional workloads. Memory channels: 6 (Xeon W-3275M) vs 8 (Xeon Gold 6338). Both provide 64 PCIe lanes. Chipset compatibility: C620 (Xeon W-3275M) and C621A (Xeon Gold 6338).
| Feature | Xeon W-3275M | Xeon Gold 6338 |
|---|---|---|
| Socket | LGA3647 | LGA4189 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | 2933 | 3200+9% |
| Max RAM Capacity | 2048 | 6144+200% |
| RAM Channels | 6 | 8+33% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64 | 64 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon W-3275M rivals EPYC 7742; Xeon Gold 6338 rivals EPYC 7543.
| Feature | Xeon W-3275M | Xeon Gold 6338 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon W-3275M launched at $4449 MSRP, while the Xeon Gold 6338 debuted at $2990. At current prices ($4449 vs $1604), the Xeon Gold 6338 is $2845 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3275M delivers 9.1 pts/$ vs 25.1 pts/$ for the Xeon Gold 6338 — making the Xeon Gold 6338 the 93.6% better value option.
| Feature | Xeon W-3275M | Xeon Gold 6338 |
|---|---|---|
| MSRP | $4449 | $2990-33% |
| Avg Price (30d) | $4449 | $1604-64% |
| Performance per Dollar | 9.1 | 25.1+176% |
| Release Date | 2019 | 2021 |
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