Core i9-7940X vs Xeon Gold 6209U
Core i9-7940X
Xeon Gold 6209U
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 i9-7940X
Performance Per Dollar Xeon Gold 6209U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-7940X | Xeon Gold 6209U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($275) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-7940X | Xeon Gold 6209U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($275) | ✅ More affordable ($0) |
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 i9-7940X and Xeon Gold 6209U
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.
Xeon Gold 6209U
The Xeon Gold 6209U is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 20 cores and 40 threads. Base frequency is 2.1 GHz, with boost up to 3.9 GHz. L3 cache: 27.5 MB. L2 cache: 20 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 25,430 points. Launch price was $1,350.
Processing Power
The Core i9-7940X packs 14 cores / 28 threads, while the Xeon Gold 6209U offers 20 cores / 40 threads — the Xeon Gold 6209U has 6 more cores. Boost clocks reach 4.4 GHz on the Core i9-7940X versus 3.9 GHz on the Xeon Gold 6209U — a 12% clock advantage for the Core i9-7940X (base: 3.1 GHz vs 2.1 GHz). The Core i9-7940X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon Gold 6209U uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i9-7940X scores 25,452 against the Xeon Gold 6209U's 25,430 — a 0.1% lead for the Core i9-7940X. L3 cache: 19.25 MB (total) on the Core i9-7940X vs 27.5 MB on the Xeon Gold 6209U.
| Feature | Core i9-7940X | Xeon Gold 6209U |
|---|---|---|
| Cores / Threads | 14 / 28 | 20 / 40+43% |
| Boost Clock | 4.4 GHz+13% | 3.9 GHz |
| Base Clock | 3.1 GHz+48% | 2.1 GHz |
| L3 Cache | 19.25 MB (total) | 27.5 MB+43% |
| L2 Cache | 1 MB (per core) | 20 MB+1900% |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (server) (2017−2018) | Cascade Lake (2019−2020) |
| PassMark | 25,452 | 25,430 |
Memory & Platform
The Core i9-7940X uses the LGA2066 socket (PCIe 3.0), while the Xeon Gold 6209U uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i9-7940X | Xeon Gold 6209U |
|---|---|---|
| Socket | LGA2066 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
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