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