Core i7-6500U vs Xeon L5609
Core i7-6500U
Xeon L5609
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 i7-6500U is positioned at rank 302 and the Xeon L5609 is on rank 735, so the Core i7-6500U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-6500U
Performance Per Dollar Xeon L5609
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6500U | Xeon L5609 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($229) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-6500U | Xeon L5609 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($229) |
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 i7-6500U and Xeon L5609
Core i7-6500U
The Core i7-6500U 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 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,271 points. Launch price was $393.
Xeon L5609
The Xeon L5609 is manufactured by Intel. It was released in 2015-01-01. It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 1.86 GHz, with boost up to 1.86 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 40 Watt. Memory support: DDR3. Passmark benchmark score: 3,298 points. Launch price was $800.
Processing Power
The Core i7-6500U packs 2 cores / 4 threads, while the Xeon L5609 offers 4 cores / 4 threads — the Xeon L5609 has 2 more cores. Boost clocks reach 3.1 GHz on the Core i7-6500U versus 1.86 GHz on the Xeon L5609 — a 50% clock advantage for the Core i7-6500U (base: 2.5 GHz vs 1.86 GHz). The Core i7-6500U uses the Skylake (2015−2016) architecture (14 nm), while the Xeon L5609 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i7-6500U scores 3,271 against the Xeon L5609's 3,298 — a 0.8% lead for the Xeon L5609. L3 cache: 4 MB on the Core i7-6500U vs 12 MB (total) on the Xeon L5609.
| Feature | Core i7-6500U | Xeon L5609 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.1 GHz+67% | 1.86 GHz |
| Base Clock | 2.5 GHz+34% | 1.86 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 | 3,271 | 3,298 |
Memory & Platform
The Core i7-6500U uses the BGA1356 socket (PCIe 3.0), while the Xeon L5609 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6500U | Xeon L5609 |
|---|---|---|
| Socket | BGA1356 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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