
Core i7-6567U vs Xeon L5638

Core i7-6567U

Xeon L5638
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. The Core i7-6567U is positioned at rank 560 and the Xeon L5638 is on rank 644, so the Core i7-6567U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-6567U
Performance Per Dollar Xeon L5638
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6567U | Xeon L5638 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-6567U | Xeon L5638 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i7-6567U and Xeon L5638

Core i7-6567U
The Core i7-6567U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 28 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,680 points. Launch price was $69.

Xeon L5638
The Xeon L5638 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2 GHz, with boost up to 2.4 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 3,707 points. Launch price was $90.
Processing Power
The Core i7-6567U packs 2 cores / 4 threads, while the Xeon L5638 offers 6 cores / 12 threads — the Xeon L5638 has 4 more cores. Boost clocks reach 3.6 GHz on the Core i7-6567U versus 2.4 GHz on the Xeon L5638 — a 40% clock advantage for the Core i7-6567U (base: 3.3 GHz vs 2 GHz). The Core i7-6567U uses the Skylake (2015−2016) architecture (14 nm), while the Xeon L5638 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i7-6567U scores 3,680 against the Xeon L5638's 3,707 — a 0.7% lead for the Xeon L5638. L3 cache: 4 MB on the Core i7-6567U vs 12 MB (total) on the Xeon L5638.
| Feature | Core i7-6567U | Xeon L5638 |
|---|---|---|
| Cores / Threads | 2 / 4 | 6 / 12+200% |
| Boost Clock | 3.6 GHz+50% | 2.4 GHz |
| Base Clock | 3.3 GHz+65% | 2 GHz |
| L3 Cache | 4 MB | 12 MB (total)+200% |
| L2 Cache | 512 kB+100% | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Skylake (2015−2016) | Westmere-EP (2010−2011) |
| PassMark | 3,680 | 3,707 |
Memory & Platform
The Core i7-6567U uses the BGA1356 socket (PCIe 3.0), while the Xeon L5638 uses LGA1366 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6567U | Xeon L5638 |
|---|---|---|
| Socket | BGA1356 | LGA1366 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
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