Pentium G640 vs Core 2 Duo E6550
Pentium G640
Core 2 Duo E6550
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 G640 is positioned at rank 763 and the Core 2 Duo E6550 is on rank 1022, so the Pentium G640 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G640
Performance Per Dollar Core 2 Duo E6550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G640 | Core 2 Duo E6550 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Conroe (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Pentium G640 | Core 2 Duo E6550 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+293%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($20) |
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 G640 and Core 2 Duo E6550
Pentium G640
The Pentium G640 is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,369 points. Launch price was $179.
Core 2 Duo E6550
The Core 2 Duo E6550 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.33 GHz, with boost up to 2.33 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,395 points. Launch price was $249.
Processing Power
Both the Pentium G640 and Core 2 Duo E6550 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Pentium G640 versus 2.33 GHz on the Core 2 Duo E6550 — a 18.3% clock advantage for the Pentium G640 (base: 2.8 GHz vs 2.33 GHz). The Pentium G640 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core 2 Duo E6550 uses Conroe (2006−2007) (65 nm). In PassMark, the Pentium G640 scores 1,369 against the Core 2 Duo E6550's 1,395 — a 1.9% lead for the Core 2 Duo E6550. L3 cache: 3 MB (total) on the Pentium G640 vs 0 kB on the Core 2 Duo E6550.
| Feature | Pentium G640 | Core 2 Duo E6550 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz+20% | 2.33 GHz |
| Base Clock | 2.8 GHz+20% | 2.33 GHz |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 4 MB+1500% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | Conroe (2006−2007) |
| PassMark | 1,369 | 1,395+2% |
Memory & Platform
The Pentium G640 uses the LGA1155 socket (PCIe 2.0), while the Core 2 Duo E6550 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium G640 | Core 2 Duo E6550 |
|---|---|---|
| Socket | LGA1155 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | 1333 |
| Max RAM Capacity | — | 16 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium G640) / true (Core 2 Duo E6550). Direct competitor: Core 2 Duo E6550 rivals Athlon 64 X2 6000+.
| Feature | Pentium G640 | Core 2 Duo E6550 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
Value Analysis
The Pentium G640 launched at $64 MSRP, while the Core 2 Duo E6550 debuted at $163. At current prices ($5 vs $20), the Pentium G640 is $15 cheaper. In terms of value (PassMark points per dollar), the Pentium G640 delivers 273.8 pts/$ vs 69.8 pts/$ for the Core 2 Duo E6550 — making the Pentium G640 the 118.8% better value option.
| Feature | Pentium G640 | Core 2 Duo E6550 |
|---|---|---|
| MSRP | $64-61% | $163 |
| Avg Price (30d) | $5-75% | $20 |
| Performance per Dollar | 273.8+292% | 69.8 |
| Release Date | 2012 | 2007 |
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