Xeon W-2140B vs Core i7-7820X
Xeon W-2140B
Core i7-7820X
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-2140B
Performance Per Dollar Core i7-7820X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-2140B | Core i7-7820X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($99) | ⚠️ Higher cost ($198) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon W-2140B | Core i7-7820X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+102%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($99) | ⚠️ Higher cost ($198) |
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-2140B and Core i7-7820X
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.
Core i7-7820X
The Core i7-7820X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 17,171 points. Launch price was $599.
Processing Power
Both the Xeon W-2140B and Core i7-7820X share an identical 8-core/16-thread configuration. Boost clocks reach 4.2 GHz on the Xeon W-2140B versus 4.5 GHz on the Core i7-7820X — a 6.9% clock advantage for the Core i7-7820X (base: 3.2 GHz vs 3.6 GHz). Both are built on the Skylake (server) (2017−2018) architecture using a 14 nm process. In PassMark, the Xeon W-2140B scores 17,319 against the Core i7-7820X's 17,171 — a 0.9% lead for the Xeon W-2140B. Both processors carry 11 MB (total) of L3 cache.
| Feature | Xeon W-2140B | Core i7-7820X |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 4.2 GHz | 4.5 GHz+7% |
| Base Clock | 3.2 GHz | 3.6 GHz+12% |
| L3 Cache | 11 MB (total) | 11 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (server) (2017−2018) | Skylake (server) (2017−2018) |
| PassMark | 17,319 | 17,171 |
Memory & Platform
Both processors use the LGA2066 socket with PCIe 3.0.
| Feature | Xeon W-2140B | Core i7-7820X |
|---|---|---|
| Socket | LGA2066 | LGA2066 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
Value Analysis
The Xeon W-2140B launched at $294 MSRP, while the Core i7-7820X debuted at $599. At current prices ($99 vs $198), the Xeon W-2140B is $99 cheaper. In terms of value (PassMark points per dollar), the Xeon W-2140B delivers 174.9 pts/$ vs 86.7 pts/$ for the Core i7-7820X — making the Xeon W-2140B the 67.4% better value option.
| Feature | Xeon W-2140B | Core i7-7820X |
|---|---|---|
| MSRP | $294-51% | $599 |
| Avg Price (30d) | $99-50% | $198 |
| Performance per Dollar | 174.9+102% | 86.7 |
| Release Date | 2017 | 2017 |
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