
Core i5-6267U

Xeon E5-4603
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 i5-6267U is positioned at rank 534 and the Xeon E5-4603 is on rank 670, so the Core i5-6267U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-6267U
Performance Per Dollar Xeon E5-4603
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-6267U | Xeon E5-4603 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-6267U | Xeon E5-4603 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
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 i5-6267U and Xeon E5-4603

Core i5-6267U
The Core i5-6267U 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 2.9 GHz, with boost up to 3.3 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: 3,360 points. Launch price was $304.

Xeon E5-4603
The Xeon E5-4603 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,391 points. Launch price was $712.
Processing Power
The Core i5-6267U packs 2 cores / 4 threads, while the Xeon E5-4603 offers 4 cores / 8 threads — the Xeon E5-4603 has 2 more cores. Boost clocks reach 3.3 GHz on the Core i5-6267U versus 2 GHz on the Xeon E5-4603 — a 49.1% clock advantage for the Core i5-6267U (base: 2.9 GHz vs 2 GHz). The Core i5-6267U uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E5-4603 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Core i5-6267U scores 3,360 against the Xeon E5-4603's 3,391 — a 0.9% lead for the Xeon E5-4603. L3 cache: 4 MB on the Core i5-6267U vs 10240 kB (total) on the Xeon E5-4603.
| Feature | Core i5-6267U | Xeon E5-4603 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 3.3 GHz+65% | 2 GHz |
| Base Clock | 2.9 GHz+45% | 2 GHz |
| L3 Cache | 4 MB | 10240 kB (total)+150% |
| L2 Cache | 512 kB+100% | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Skylake (2015−2016) | Sandy Bridge-EP (2012) |
| PassMark | 3,360 | 3,391 |
Memory & Platform
The Core i5-6267U uses the BGA1356 socket (PCIe 3.0), while the Xeon E5-4603 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i5-6267U | Xeon E5-4603 |
|---|---|---|
| Socket | BGA1356 | LGA2011 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 12 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i5-6267U) / not specified (Xeon E5-4603). The Core i5-6267U includes integrated graphics (Iris Graphics 550), while the Xeon E5-4603 requires a dedicated GPU. Primary use case: Core i5-6267U targets Mobile.
| Feature | Core i5-6267U | Xeon E5-4603 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Iris Graphics 550 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Mobile | — |
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