
Core i5-10400

Xeon W-10855M
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 Core i5-10400
Performance Per Dollar Xeon W-10855M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-10400 | Xeon W-10855M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($175) | ✅ More affordable ($43) |
| Longevity | ✨ Modern (Comet Lake (2020−2025) / 14 nm) | ✨ Modern (Comet Lake-H (2020) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-10400 | Xeon W-10855M |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+316%) |
| Upfront Cost | ⚠️ Higher cost ($175) | ✅ More affordable ($43) |
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 Core i5-10400 and Xeon W-10855M

Core i5-10400
The Core i5-10400 is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 11,988 points. Launch price was $149.

Xeon W-10855M
The Xeon W-10855M is manufactured by Intel. It was released in 2015-01-01. It is based on the Comet Lake-H (2020) architecture. It features 6 cores and 12 threads. Base frequency is 2.8 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB. L2 cache: 1.5 MB. Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 12,249 points. Launch price was $800.
Processing Power
Both the Core i5-10400 and Xeon W-10855M share an identical 6-core/12-thread configuration. Boost clocks reach 4.3 GHz on the Core i5-10400 versus 4.9 GHz on the Xeon W-10855M — a 13% clock advantage for the Xeon W-10855M (base: 2.9 GHz vs 2.8 GHz). The Core i5-10400 uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon W-10855M uses Comet Lake-H (2020) (14 nm). In PassMark, the Core i5-10400 scores 11,988 against the Xeon W-10855M's 12,249 — a 2.2% lead for the Xeon W-10855M. L3 cache: 12 MB (total) on the Core i5-10400 vs 12 MB on the Xeon W-10855M.
| Feature | Core i5-10400 | Xeon W-10855M |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 12 |
| Boost Clock | 4.3 GHz | 4.9 GHz+14% |
| Base Clock | 2.9 GHz+4% | 2.8 GHz |
| L3 Cache | 12 MB (total) | 12 MB |
| L2 Cache | 256K (per core) | 1.5 MB+500% |
| Process | 14 nm | 14 nm |
| Architecture | Comet Lake (2020−2025) | Comet Lake-H (2020) |
| PassMark | 11,988 | 12,249+2% |
| Cinebench R23 Multi | 8,313 | — |
| Geekbench 6 Single | 1,600 | — |
Memory & Platform
The Core i5-10400 uses the LGA1200 socket (PCIe 3.0), while the Xeon W-10855M uses BGA1440 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i5-10400 | Xeon W-10855M |
|---|---|---|
| Socket | LGA1200 | BGA1440 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-10400) / not specified (Xeon W-10855M). The Core i5-10400 includes integrated graphics (UHD Graphics 630), while the Xeon W-10855M requires a dedicated GPU. Primary use case: Core i5-10400 targets Gaming. Direct competitor: Core i5-10400 rivals Ryzen 5 3600.
| Feature | Core i5-10400 | Xeon W-10855M |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Gaming | — |
Value Analysis
The Core i5-10400 launched at $182 MSRP, while the Xeon W-10855M debuted at $118. At current prices ($175 vs $43), the Xeon W-10855M is $132 cheaper. In terms of value (PassMark points per dollar), the Core i5-10400 delivers 68.5 pts/$ vs 284.9 pts/$ for the Xeon W-10855M — making the Xeon W-10855M the 122.5% better value option.
| Feature | Core i5-10400 | Xeon W-10855M |
|---|---|---|
| MSRP | $182 | $118-35% |
| Avg Price (30d) | $175 | $43-75% |
| Performance per Dollar | 68.5 | 284.9+316% |
| Release Date | 2020 | 2020 |
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