CPU
GPU
Xeon W-3375
Xeon Gold 6421N
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-3375
Performance Per Dollar Xeon Gold 6421N
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3375 | Xeon Gold 6421N |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($6,000) | ✅ More affordable ($2,427) |
| Longevity | ✨ Modern (Ice Lake-W (2021) / 10 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon W-3375 | Xeon Gold 6421N |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+146%) |
| Upfront Cost | ⚠️ Higher cost ($6,000) | ✅ More affordable ($2,427) |
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-3375 and Xeon Gold 6421N
Xeon W-3375
The Xeon W-3375 is manufactured by Intel. It was released in 2021-07-29. It is based on the Ice Lake-W (2021) architecture. It features 38 cores and 76 threads. Base frequency is 2.5 GHz, with boost up to 4 GHz. L3 cache: 57 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 59,091 points. Launch price was $4,499.
Xeon Gold 6421N
The Xeon Gold 6421N 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 1.8 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,797 points. Launch price was $2,368.
Processing Power
The Xeon W-3375 packs 38 cores / 76 threads, while the Xeon Gold 6421N offers 32 cores / 64 threads — the Xeon W-3375 has 6 more cores. Boost clocks reach 4 GHz on the Xeon W-3375 versus 3.6 GHz on the Xeon Gold 6421N — a 10.5% clock advantage for the Xeon W-3375 (base: 2.5 GHz vs 1.8 GHz). The Xeon W-3375 uses the Ice Lake-W (2021) architecture (10 nm), while the Xeon Gold 6421N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon W-3375 scores 59,091 against the Xeon Gold 6421N's 58,797 — a 0.5% lead for the Xeon W-3375. L3 cache: 57 MB (total) on the Xeon W-3375 vs 60 MB on the Xeon Gold 6421N.
| Feature | Xeon W-3375 | Xeon Gold 6421N |
|---|---|---|
| Cores / Threads | 38 / 76+19% | 32 / 64 |
| Boost Clock | 4 GHz+11% | 3.6 GHz |
| Base Clock | 2.5 GHz+39% | 1.8 GHz |
| L3 Cache | 57 MB (total) | 60 MB+5% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 10 nm | Intel 7 nm-30% |
| Architecture | Ice Lake-W (2021) | Sapphire Rapids (2023−2024) |
| PassMark | 59,091 | 58,797 |
| Geekbench 6 Single | 1,818 | — |
| Geekbench 6 Multi | 17,713 | — |
Memory & Platform
The Xeon W-3375 uses the LGA4189 socket (PCIe 4.0), while the Xeon Gold 6421N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Xeon W-3375 versus 4800 on the Xeon Gold 6421N — the Xeon Gold 6421N supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 64 (Xeon W-3375) vs 80 (Xeon Gold 6421N) — the Xeon Gold 6421N offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621A (Xeon W-3375) and C741 (Xeon Gold 6421N).
| Feature | Xeon W-3375 | Xeon Gold 6421N |
|---|---|---|
| Socket | LGA4189 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | 4800+119900% |
| Max RAM Capacity | 4096 GB+104857500% | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64 | 80+25% |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Xeon W-3375) vs VT-x, VT-d (Xeon Gold 6421N). Direct competitor: Xeon W-3375 rivals EPYC 7543; Xeon Gold 6421N rivals EPYC 9354.
| Feature | Xeon W-3375 | Xeon Gold 6421N |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d |
Value Analysis
The Xeon W-3375 launched at $4951 MSRP, while the Xeon Gold 6421N debuted at $2368. At current prices ($6000 vs $2427), the Xeon Gold 6421N is $3573 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3375 delivers 9.8 pts/$ vs 24.2 pts/$ for the Xeon Gold 6421N — making the Xeon Gold 6421N the 84.4% better value option.
| Feature | Xeon W-3375 | Xeon Gold 6421N |
|---|---|---|
| MSRP | $4951 | $2368-52% |
| Avg Price (30d) | $6000 | $2427-60% |
| Performance per Dollar | 9.8 | 24.2+147% |
| Release Date | 2021 | 2023 |
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