Core i9-11900K vs Xeon Gold 6240
Core i9-11900K
Xeon Gold 6240
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 i9-11900K
Performance Per Dollar Xeon Gold 6240
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-11900K | Xeon Gold 6240 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($435) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Core i9-11900K | Xeon Gold 6240 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($435) | ✅ 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 i9-11900K and Xeon Gold 6240
Core i9-11900K
The Core i9-11900K is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (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. Passmark benchmark score: 24,990 points. Launch price was $539.
Xeon Gold 6240
The Xeon Gold 6240 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 18 cores and 36 threads. Base frequency is 2.6 GHz, with boost up to 3.9 GHz. L3 cache: 24.75 MB. L2 cache: 18 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2933. Passmark benchmark score: 24,918 points. Launch price was $2,445.
Processing Power
The Core i9-11900K packs 8 cores / 16 threads, while the Xeon Gold 6240 offers 18 cores / 36 threads — the Xeon Gold 6240 has 10 more cores. Boost clocks reach 5.2 GHz on the Core i9-11900K versus 3.9 GHz on the Xeon Gold 6240 — a 28.6% clock advantage for the Core i9-11900K (base: 3.5 GHz vs 2.6 GHz). The Core i9-11900K uses the Rocket Lake (2021) architecture (14 nm), while the Xeon Gold 6240 uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i9-11900K scores 24,990 against the Xeon Gold 6240's 24,918 — a 0.3% lead for the Core i9-11900K. L3 cache: 16 MB (total) on the Core i9-11900K vs 24.75 MB on the Xeon Gold 6240.
| Feature | Core i9-11900K | Xeon Gold 6240 |
|---|---|---|
| Cores / Threads | 8 / 16 | 18 / 36+125% |
| Boost Clock | 5.2 GHz+33% | 3.9 GHz |
| Base Clock | 3.5 GHz+35% | 2.6 GHz |
| L3 Cache | 16 MB (total) | 24.75 MB+55% |
| L2 Cache | 512 kB (per core) | 18 MB+3500% |
| Process | 14 nm | 14 nm |
| Architecture | Rocket Lake (2021) | Cascade Lake (2019−2020) |
| PassMark | 24,990 | 24,918 |
Memory & Platform
The Core i9-11900K uses the LGA1200 socket (PCIe 4.0), while the Xeon Gold 6240 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i9-11900K | Xeon Gold 6240 |
|---|---|---|
| Socket | LGA1200 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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