Xeon W-11855M vs Xeon W-2140B
Xeon W-11855M
Xeon W-2140B
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-11855M
Performance Per Dollar Xeon W-2140B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-11855M | Xeon W-2140B |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($200) | ✅ More affordable ($99) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon W-11855M | Xeon W-2140B |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+100%) |
| Upfront Cost | ⚠️ Higher cost ($200) | ✅ More affordable ($99) |
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-11855M and Xeon W-2140B
Xeon W-11855M
The Xeon W-11855M is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 4.9 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 17,462 points. Launch price was $450.
Xeon W-2140B
The Xeon W-2140B is manufactured by Intel. It was released in 2015-01-01. It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4.2 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-2666. Passmark benchmark score: 17,319 points. Launch price was $800.
Processing Power
The Xeon W-11855M packs 6 cores / 12 threads, while the Xeon W-2140B offers 8 cores / 16 threads — the Xeon W-2140B has 2 more cores. Boost clocks reach 4.9 GHz on the Xeon W-11855M versus 4.2 GHz on the Xeon W-2140B — a 15.4% clock advantage for the Xeon W-11855M (base: 3.2 GHz vs 3.2 GHz). The Xeon W-11855M uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Xeon W-2140B uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon W-11855M scores 17,462 against the Xeon W-2140B's 17,319 — a 0.8% lead for the Xeon W-11855M. L3 cache: 18 MB (total) on the Xeon W-11855M vs 11 MB (total) on the Xeon W-2140B.
| Feature | Xeon W-11855M | Xeon W-2140B |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 4.9 GHz+17% | 4.2 GHz |
| Base Clock | 3.2 GHz | 3.2 GHz |
| L3 Cache | 18 MB (total)+64% | 11 MB (total) |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | 10 nm SuperFin-29% | 14 nm |
| Architecture | Tiger Lake-H (2021) | Skylake (server) (2017−2018) |
| PassMark | 17,462 | 17,319 |
Memory & Platform
The Xeon W-11855M uses the FCBGA1787 socket (PCIe 5.0), while the Xeon W-2140B uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon W-11855M | Xeon W-2140B |
|---|---|---|
| Socket | FCBGA1787 | LGA2066 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
Value Analysis
The Xeon W-11855M launched at $450 MSRP, while the Xeon W-2140B debuted at $294. At current prices ($200 vs $99), the Xeon W-2140B is $101 cheaper. In terms of value (PassMark points per dollar), the Xeon W-11855M delivers 87.3 pts/$ vs 174.9 pts/$ for the Xeon W-2140B — making the Xeon W-2140B the 66.8% better value option.
| Feature | Xeon W-11855M | Xeon W-2140B |
|---|---|---|
| MSRP | $450 | $294-35% |
| Avg Price (30d) | $200 | $99-51% |
| Performance per Dollar | 87.3 | 174.9+100% |
| Release Date | 2021 | 2017 |
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