Core 2 Quad Q6700 vs Core 2 Duo SP9400
Core 2 Quad Q6700
Core 2 Duo SP9400
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 Quad Q6700 is positioned at rank 1079 and the Core 2 Duo SP9400 is on rank 631, so the Core 2 Duo SP9400 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 Quad Q6700
Performance Per Dollar Core 2 Duo SP9400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Quad Q6700 | Core 2 Duo SP9400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Kentsfield (2007) / 65 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Quad Q6700 | Core 2 Duo SP9400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ 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 2 Quad Q6700 and Core 2 Duo SP9400
Core 2 Quad Q6700
The Core 2 Quad Q6700 is manufactured by Intel. It was released in 2008-01-01. It is based on the Kentsfield (2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 8 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 105 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,092 points. Launch price was $249.
Core 2 Duo SP9400
The Core 2 Duo SP9400 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,083 points. Launch price was $284.
Processing Power
The Core 2 Quad Q6700 packs 4 cores / 4 threads, while the Core 2 Duo SP9400 offers 2 cores / 2 threads — the Core 2 Quad Q6700 has 2 more cores. Boost clocks reach 2.67 GHz on the Core 2 Quad Q6700 versus 2.4 GHz on the Core 2 Duo SP9400 — a 10.7% clock advantage for the Core 2 Quad Q6700 (base: 2.66 GHz vs 2.4 GHz). The Core 2 Quad Q6700 uses the Kentsfield (2007) architecture (65 nm), while the Core 2 Duo SP9400 uses Penryn (2008−2011) (45 nm). In PassMark, the Core 2 Quad Q6700 scores 2,092 against the Core 2 Duo SP9400's 2,083 — a 0.4% lead for the Core 2 Quad Q6700. L3 cache: 0 kB on the Core 2 Quad Q6700 vs 6 MB L2 Cache on the Core 2 Duo SP9400.
| Feature | Core 2 Quad Q6700 | Core 2 Duo SP9400 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.67 GHz+11% | 2.4 GHz |
| Base Clock | 2.66 GHz+11% | 2.4 GHz |
| L3 Cache | 0 kB | 6 MB L2 Cache |
| L2 Cache | 8 MB (total)+33% | 6 MB |
| Process | 65 nm | 45 nm-31% |
| Architecture | Kentsfield (2007) | Penryn (2008−2011) |
| PassMark | 2,092 | 2,083 |
| Geekbench 6 Single | — | 340 |
| Geekbench 6 Multi | — | 600 |
Memory & Platform
The Core 2 Quad Q6700 uses the LGA775 socket (PCIe 1.1), while the Core 2 Duo SP9400 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Core 2 Quad Q6700 versus DDR3-1066 on the Core 2 Duo SP9400 — the Core 2 Duo SP9400 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Chipset compatibility: P45,G45 (Core 2 Quad Q6700) and GS45 (Core 2 Duo SP9400).
| Feature | Core 2 Quad Q6700 | Core 2 Duo SP9400 |
|---|---|---|
| Socket | LGA775 | BGA956 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR2-800 | DDR3-1066+50% |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | — |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. Primary use case: Core 2 Duo SP9400 targets Budget. Direct competitor: Core 2 Duo SP9400 rivals Athlon II X2 245e.
| Feature | Core 2 Quad Q6700 | Core 2 Duo SP9400 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | GMA X4500HD |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | — | Budget |
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