
Core i7-3667U vs Xeon E5606

Core i7-3667U

Xeon E5606
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 i7-3667U is positioned at rank 1197 and the Xeon E5606 is on rank 802, so the Xeon E5606 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-3667U
Performance Per Dollar Xeon E5606
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-3667U | Xeon E5606 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-3667U | Xeon E5606 |
|---|---|---|
| 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 i7-3667U and Xeon E5606

Core i7-3667U
The Core i7-3667U is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 2,451 points. Launch price was $346.

Xeon E5606
The Xeon E5606 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.13 GHz, with boost up to 0.13 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,443 points. Launch price was $46.
Processing Power
The Core i7-3667U packs 2 cores / 4 threads, while the Xeon E5606 offers 4 cores / 4 threads — the Xeon E5606 has 2 more cores. Boost clocks reach 3.2 GHz on the Core i7-3667U versus 0.13 GHz on the Xeon E5606 — a 184.4% clock advantage for the Core i7-3667U (base: 2 GHz vs 2.13 GHz). The Core i7-3667U uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E5606 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i7-3667U scores 2,451 against the Xeon E5606's 2,443 — a 0.3% lead for the Core i7-3667U. L3 cache: 4 MB (total) on the Core i7-3667U vs 8 MB (total) on the Xeon E5606.
| Feature | Core i7-3667U | Xeon E5606 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.2 GHz+2362% | 0.13 GHz |
| Base Clock | 2 GHz | 2.13 GHz+6% |
| L3 Cache | 4 MB (total) | 8 MB (total)+100% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 22 nm-31% | 32 nm |
| Architecture | Ivy Bridge (2012−2013) | Westmere-EP (2010−2011) |
| PassMark | 2,451 | 2,443 |
Memory & Platform
The Core i7-3667U uses the BGA1023 socket (PCIe 3.0), while the Xeon E5606 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-3667U | Xeon E5606 |
|---|---|---|
| Socket | BGA1023 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | 1600 | — |
| Max RAM Capacity | 32 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (Core i7-3667U) / not specified (Xeon E5606). The Core i7-3667U includes integrated graphics (Intel HD Graphics 4000), while the Xeon E5606 requires a dedicated GPU. Direct competitor: Core i7-3667U rivals AMD A10-4655M.
| Feature | Core i7-3667U | Xeon E5606 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics 4000 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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