CPU
GPU
Core i7-640UM
Pentium E6500
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 i7-640UM is positioned at rank 1229 and the Pentium E6500 is on rank 921, so the Pentium E6500 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-640UM
Performance Per Dollar Pentium E6500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-640UM | Pentium E6500 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-640UM | Pentium E6500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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 i7-640UM and Pentium E6500
Core i7-640UM
The Core i7-640UM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 2.27 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,168 points. Launch price was $305.
Pentium E6500
The Pentium E6500 is manufactured by Intel. It was released in 9 August 2009 (16 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.93 GHz, with boost up to 0.93 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,175 points. Launch price was $50.
Processing Power
The Core i7-640UM packs 2 cores / 4 threads, matching the Pentium E6500's 2 cores. Boost clocks reach 2.27 GHz on the Core i7-640UM versus 0.93 GHz on the Pentium E6500 — a 83.7% clock advantage for the Core i7-640UM (base: 1.2 GHz vs 2.93 GHz). The Core i7-640UM uses the Arrandale (2010−2011) architecture (32 nm), while the Pentium E6500 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Core i7-640UM scores 1,168 against the Pentium E6500's 1,175 — a 0.6% lead for the Pentium E6500. L3 cache: 4 MB (total) on the Core i7-640UM vs 0 kB on the Pentium E6500.
| Feature | Core i7-640UM | Pentium E6500 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.27 GHz+144% | 0.93 GHz |
| Base Clock | 1.2 GHz | 2.93 GHz+144% |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 2 MB (total)+700% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Arrandale (2010−2011) | Wolfdale (2008−2010) |
| PassMark | 1,168 | 1,175 |
| Geekbench 6 Single | 226 | — |
| Geekbench 6 Multi | 590 | — |
Memory & Platform
The Core i7-640UM uses the BGA1288 socket (PCIe 2.0), while the Pentium E6500 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core i7-640UM | Pentium E6500 |
|---|---|---|
| Socket | BGA1288 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1066 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i7-640UM) / not specified (Pentium E6500). The Core i7-640UM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Pentium E6500 requires a dedicated GPU. Primary use case: Core i7-640UM targets Legacy Laptop. Direct competitor: Core i7-640UM rivals Core 2 Duo SU9600.
| Feature | Core i7-640UM | Pentium E6500 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Ironlake) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Legacy Laptop | — |
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