Xeon X5667 vs Core i5-6500T
Xeon X5667
Core i5-6500T
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 Xeon X5667 is positioned at rank 579 and the Core i5-6500T is on rank 493, so the Core i5-6500T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5667
Performance Per Dollar Core i5-6500T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5667 | Core i5-6500T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($35) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon X5667 | Core i5-6500T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($35) |
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 Xeon X5667 and Core i5-6500T
Xeon X5667
The Xeon X5667 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 4 cores and 8 threads. Base frequency is 3.06 GHz, with boost up to 3.46 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,697 points. Launch price was $80.
Core i5-6500T
The Core i5-6500T is manufactured by Intel. It was released in 2 July 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 4,764 points. Launch price was $192.
Processing Power
The Xeon X5667 packs 4 cores / 8 threads, matching the Core i5-6500T's 4 cores. Boost clocks reach 3.46 GHz on the Xeon X5667 versus 3.1 GHz on the Core i5-6500T — a 11% clock advantage for the Xeon X5667 (base: 3.06 GHz vs 2.5 GHz). The Xeon X5667 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i5-6500T uses Skylake (2015−2016) (14 nm). In PassMark, the Xeon X5667 scores 4,697 against the Core i5-6500T's 4,764 — a 1.4% lead for the Core i5-6500T. L3 cache: 12 MB (total) on the Xeon X5667 vs 6 MB (total) on the Core i5-6500T.
| Feature | Xeon X5667 | Core i5-6500T |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 3.46 GHz+12% | 3.1 GHz |
| Base Clock | 3.06 GHz+22% | 2.5 GHz |
| L3 Cache | 12 MB (total)+100% | 6 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Westmere-EP (2010−2011) | Skylake (2015−2016) |
| PassMark | 4,697 | 4,764+1% |
Memory & Platform
The Xeon X5667 uses the LGA1366 socket (PCIe 2.0), while the Core i5-6500T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Xeon X5667 versus DDR4-2133 on the Core i5-6500T — the Core i5-6500T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 3 (Xeon X5667) vs 2 (Core i5-6500T).
| Feature | Xeon X5667 | Core i5-6500T |
|---|---|---|
| Socket | LGA1366 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2133+33% |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Xeon X5667) vs VT-x, VT-d (Core i5-6500T). The Core i5-6500T includes integrated graphics (HD Graphics 530), while the Xeon X5667 requires a dedicated GPU. Primary use case: Xeon X5667 targets Workstation, Core i5-6500T targets Desktop. Direct competitor: Xeon X5667 rivals Core i7-980X.
| Feature | Xeon X5667 | Core i5-6500T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics 530 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Workstation | Desktop |
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