
Pentium E6500

Core i7-640UM
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 Pentium E6500 is positioned at rank 921 and the Core i7-640UM is on rank 1229, 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 Pentium E6500
Performance Per Dollar Core i7-640UM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium E6500 | Core i7-640UM |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Pentium E6500 | Core i7-640UM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ 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 Pentium E6500 and Core i7-640UM

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.

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.
Processing Power
The Pentium E6500 packs 2 cores / 2 threads, matching the Core i7-640UM's 2 cores. Boost clocks reach 0.93 GHz on the Pentium E6500 versus 2.27 GHz on the Core i7-640UM — a 83.7% clock advantage for the Core i7-640UM (base: 2.93 GHz vs 1.2 GHz). The Pentium E6500 uses the Wolfdale (2008−2010) architecture (45 nm), while the Core i7-640UM uses Arrandale (2010−2011) (32 nm). In PassMark, the Pentium E6500 scores 1,175 against the Core i7-640UM's 1,168 — a 0.6% lead for the Pentium E6500. L3 cache: 0 kB on the Pentium E6500 vs 4 MB (total) on the Core i7-640UM.
| Feature | Pentium E6500 | Core i7-640UM |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 0.93 GHz | 2.27 GHz+144% |
| Base Clock | 2.93 GHz+144% | 1.2 GHz |
| L3 Cache | 0 kB | 4 MB (total) |
| L2 Cache | 2 MB (total)+700% | 256 kB (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Wolfdale (2008−2010) | Arrandale (2010−2011) |
| PassMark | 1,175 | 1,168 |
| Geekbench 6 Single | — | 226 |
| Geekbench 6 Multi | — | 590 |
Memory & Platform
The Pentium E6500 uses the LGA775 socket (PCIe 1.1), while the Core i7-640UM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium E6500 | Core i7-640UM |
|---|---|---|
| Socket | LGA775 | BGA1288 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | — | DDR3-1066 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium E6500) / VT-x, VT-d (Core i7-640UM). 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 | Pentium E6500 | Core i7-640UM |
|---|---|---|
| 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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