CPU
GPU
Core 2 Duo E6550
Core 2 Duo E8600
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 2 Duo E6550 is positioned at rank 1022 and the Core 2 Duo E8600 is on rank 1050, so the Core 2 Duo E6550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Duo E6550
Performance Per Dollar Core 2 Duo E8600
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E6550 | Core 2 Duo E8600 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($20) | ⚠️ Higher cost ($95) |
| Longevity | 🛑 Legacy (Conroe (2006−2007) / 65 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E6550 | Core 2 Duo E8600 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+381%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($20) | ⚠️ Higher cost ($95) |
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 2 Duo E6550 and Core 2 Duo E8600
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.
Core 2 Duo E8600
The Core 2 Duo E8600 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.33 GHz, with boost up to 3.33 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,378 points. Launch price was $249.
Processing Power
Both the Core 2 Duo E6550 and Core 2 Duo E8600 share an identical 2-core/2-thread configuration. Boost clocks reach 2.33 GHz on the Core 2 Duo E6550 versus 3.33 GHz on the Core 2 Duo E8600 — a 35.3% clock advantage for the Core 2 Duo E8600 (base: 2.33 GHz vs 3.33 GHz). The Core 2 Duo E6550 uses the Conroe (2006−2007) architecture (65 nm), while the Core 2 Duo E8600 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Core 2 Duo E6550 scores 1,395 against the Core 2 Duo E8600's 1,378 — a 1.2% lead for the Core 2 Duo E6550. Both processors carry 0 kB of L3 cache.
| Feature | Core 2 Duo E6550 | Core 2 Duo E8600 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.33 GHz | 3.33 GHz+43% |
| Base Clock | 2.33 GHz | 3.33 GHz+43% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 4 MB | 6 MB (total)+50% |
| Process | 65 nm | 45 nm-31% |
| Architecture | Conroe (2006−2007) | Wolfdale (2008−2010) |
| PassMark | 1,395+1% | 1,378 |
| Geekbench 6 Single | — | 486 |
| Geekbench 6 Multi | — | 885 |
Memory & Platform
Both processors use the LGA775 socket with PCIe 1.1. Maximum memory speed reaches 1333 on the Core 2 Duo E6550 versus DDR3-1333 on the Core 2 Duo E8600 — the Core 2 Duo E6550 supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6550) and P45,X48,X38,P35 (Core 2 Duo E8600).
| Feature | Core 2 Duo E6550 | Core 2 Duo E8600 |
|---|---|---|
| Socket | LGA775 | LGA775 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | 1333+44333% | DDR3-1333 |
| Max RAM Capacity | 16 | 16 GB+104857500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core 2 Duo E6550) vs VT-x (Core 2 Duo E8600). Primary use case: Core 2 Duo E8600 targets Legacy Desktop. Direct competitor: Core 2 Duo E6550 rivals Athlon 64 X2 6000+; Core 2 Duo E8600 rivals Phenom II X2 550.
| Feature | Core 2 Duo E6550 | Core 2 Duo E8600 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
| Target Use | — | Legacy Desktop |
Value Analysis
The Core 2 Duo E6550 launched at $163 MSRP, while the Core 2 Duo E8600 debuted at $200. At current prices ($20 vs $95), the Core 2 Duo E6550 is $75 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo E6550 delivers 69.8 pts/$ vs 14.5 pts/$ for the Core 2 Duo E8600 — making the Core 2 Duo E6550 the 131.1% better value option.
| Feature | Core 2 Duo E6550 | Core 2 Duo E8600 |
|---|---|---|
| MSRP | $163-19% | $200 |
| Avg Price (30d) | $20-79% | $95 |
| Performance per Dollar | 69.8+381% | 14.5 |
| Release Date | 2007 | 2008 |
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