Core i5-11600K vs Xeon W-11865MRE
Core i5-11600K
Xeon W-11865MRE
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 i5-11600K
Performance Per Dollar Xeon W-11865MRE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-11600K | Xeon W-11865MRE |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($170) | ⚠️ Higher cost ($600) |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Tiger Lake-H (2021) / 10 nm) |
💎 Value Proposition
| Insight | Core i5-11600K | Xeon W-11865MRE |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+252%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($170) | ⚠️ Higher cost ($600) |
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 i5-11600K and Xeon W-11865MRE
Core i5-11600K
The Core i5-11600K 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 6 cores and 12 threads. Base frequency is 3.9 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 19,520 points. Launch price was $299.
Xeon W-11865MRE
The Xeon W-11865MRE is manufactured by Intel. It was released in 26 August 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 4.7 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1787. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 19,589 points. Launch price was $480.
Processing Power
The Core i5-11600K packs 6 cores / 12 threads, while the Xeon W-11865MRE offers 8 cores / 16 threads — the Xeon W-11865MRE has 2 more cores. Boost clocks reach 4.9 GHz on the Core i5-11600K versus 4.7 GHz on the Xeon W-11865MRE — a 4.2% clock advantage for the Core i5-11600K (base: 3.9 GHz vs 2.1 GHz). The Core i5-11600K uses the Rocket Lake (2021) architecture (14 nm), while the Xeon W-11865MRE uses Tiger Lake-H (2021) (10 nm). In PassMark, the Core i5-11600K scores 19,520 against the Xeon W-11865MRE's 19,589 — a 0.4% lead for the Xeon W-11865MRE. L3 cache: 12 MB (total) on the Core i5-11600K vs 24 MB (total) on the Xeon W-11865MRE.
| Feature | Core i5-11600K | Xeon W-11865MRE |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 4.9 GHz+4% | 4.7 GHz |
| Base Clock | 3.9 GHz+86% | 2.1 GHz |
| L3 Cache | 12 MB (total) | 24 MB (total)+100% |
| L2 Cache | 256K (per core) | 1.25 MB (per core)+400% |
| Process | 14 nm | 10 nm-29% |
| Architecture | Rocket Lake (2021) | Tiger Lake-H (2021) |
| PassMark | 19,520 | 19,589 |
Memory & Platform
The Core i5-11600K uses the LGA1200 socket (PCIe 4.0), while the Xeon W-11865MRE uses FCBGA1787 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i5-11600K | Xeon W-11865MRE |
|---|---|---|
| Socket | LGA1200 | FCBGA1787 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i5-11600K) / not specified (Xeon W-11865MRE). The Core i5-11600K includes integrated graphics (UHD Graphics 750), while the Xeon W-11865MRE requires a dedicated GPU. Primary use case: Core i5-11600K targets Desktop.
| Feature | Core i5-11600K | Xeon W-11865MRE |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 750 | — |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Desktop | — |
Value Analysis
The Core i5-11600K launched at $262 MSRP, while the Xeon W-11865MRE debuted at $600. At current prices ($170 vs $600), the Core i5-11600K is $430 cheaper. In terms of value (PassMark points per dollar), the Core i5-11600K delivers 114.8 pts/$ vs 32.6 pts/$ for the Xeon W-11865MRE — making the Core i5-11600K the 111.4% better value option.
| Feature | Core i5-11600K | Xeon W-11865MRE |
|---|---|---|
| MSRP | $262-56% | $600 |
| Avg Price (30d) | $170-72% | $600 |
| Performance per Dollar | 114.8+252% | 32.6 |
| Release Date | 2021 | 2021 |
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