Xeon W-1390P vs Core i9-7940X
Xeon W-1390P
Core i9-7940X
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-1390P
Performance Per Dollar Core i9-7940X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-1390P | Core i9-7940X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($450) | ✅ More affordable ($275) |
| Longevity | ✨ Modern (Rocket Lake-S (2021) / 14 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon W-1390P | Core i9-7940X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+66%) |
| Upfront Cost | ⚠️ Higher cost ($450) | ✅ More affordable ($275) |
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-1390P and Core i9-7940X
Xeon W-1390P
The Xeon W-1390P is manufactured by Intel. It was released in 6 May 2021 (4 years ago). It is based on the Rocket Lake-S (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 25,016 points. Launch price was $539.
Core i9-7940X
The Core i9-7940X is manufactured by Intel. It was released in 1 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 3.1 GHz, with boost up to 4.4 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 25,452 points. Launch price was $1,399.
Processing Power
The Xeon W-1390P packs 8 cores / 16 threads, while the Core i9-7940X offers 14 cores / 28 threads — the Core i9-7940X has 6 more cores. Boost clocks reach 5.2 GHz on the Xeon W-1390P versus 4.4 GHz on the Core i9-7940X — a 16.7% clock advantage for the Xeon W-1390P (base: 3.5 GHz vs 3.1 GHz). The Xeon W-1390P uses the Rocket Lake-S (2021) architecture (14 nm), while the Core i9-7940X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon W-1390P scores 25,016 against the Core i9-7940X's 25,452 — a 1.7% lead for the Core i9-7940X. L3 cache: 16 MB (total) on the Xeon W-1390P vs 19.25 MB (total) on the Core i9-7940X.
| Feature | Xeon W-1390P | Core i9-7940X |
|---|---|---|
| Cores / Threads | 8 / 16 | 14 / 28+75% |
| Boost Clock | 5.2 GHz+18% | 4.4 GHz |
| Base Clock | 3.5 GHz+13% | 3.1 GHz |
| L3 Cache | 16 MB (total) | 19.25 MB (total)+20% |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Rocket Lake-S (2021) | Skylake (server) (2017−2018) |
| PassMark | 25,016 | 25,452+2% |
Memory & Platform
The Xeon W-1390P uses the LGA1200 socket (PCIe 4.0), while the Core i9-7940X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon W-1390P | Core i9-7940X |
|---|---|---|
| Socket | LGA1200 | LGA2066 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
Value Analysis
The Xeon W-1390P launched at $594 MSRP, while the Core i9-7940X debuted at $1399. At current prices ($450 vs $275), the Core i9-7940X is $175 cheaper. In terms of value (PassMark points per dollar), the Xeon W-1390P delivers 55.6 pts/$ vs 92.6 pts/$ for the Core i9-7940X — making the Core i9-7940X the 49.9% better value option.
| Feature | Xeon W-1390P | Core i9-7940X |
|---|---|---|
| MSRP | $594-58% | $1399 |
| Avg Price (30d) | $450 | $275-39% |
| Performance per Dollar | 55.6 | 92.6+67% |
| Release Date | 2021 | 2017 |
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