
Core 2 Quad Q6700 vs Core 2 Duo T5870

Core 2 Quad Q6700

Core 2 Duo T5870
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 T5870 is on rank 538, so the Core 2 Duo T5870 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 T5870
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Quad Q6700 | Core 2 Duo T5870 |
|---|---|---|
| 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 (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Core 2 Quad Q6700 | Core 2 Duo T5870 |
|---|---|---|
| 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 T5870

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 T5870
The Core 2 Duo T5870 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,089 points. Launch price was $249.
Processing Power
The Core 2 Quad Q6700 packs 4 cores / 4 threads, while the Core 2 Duo T5870 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 GHz on the Core 2 Duo T5870 — a 28.7% clock advantage for the Core 2 Quad Q6700 (base: 2.66 GHz vs 2 GHz). The Core 2 Quad Q6700 uses the Kentsfield (2007) architecture (65 nm), while the Core 2 Duo T5870 uses Merom (2006−2008) (65 nm). In PassMark, the Core 2 Quad Q6700 scores 2,092 against the Core 2 Duo T5870's 2,089 — a 0.1% lead for the Core 2 Quad Q6700. L3 cache: 0 kB on the Core 2 Quad Q6700 vs 2 MB L2 Cache on the Core 2 Duo T5870.
| Feature | Core 2 Quad Q6700 | Core 2 Duo T5870 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.67 GHz+34% | 2 GHz |
| Base Clock | 2.66 GHz+33% | 2 GHz |
| L3 Cache | 0 kB | 2 MB L2 Cache |
| L2 Cache | 8 MB (total)+300% | 2 MB |
| Process | 65 nm | 65 nm |
| Architecture | Kentsfield (2007) | Merom (2006−2008) |
| PassMark | 2,092 | 2,089 |
| Geekbench 6 Single | — | 203 |
| Geekbench 6 Multi | — | 314 |
Memory & Platform
Both support up to DDR2-800 memory speed. The Core 2 Quad Q6700 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: P45,G45 (Core 2 Quad Q6700) and GM965,GM45,PM45 (Core 2 Duo T5870).
| Feature | Core 2 Quad Q6700 | Core 2 Duo T5870 |
|---|---|---|
| Socket | LGA775 | — |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR2-800 | DDR2-800 |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. Primary use case: Core 2 Duo T5870 targets Legacy Mobile.
| Feature | Core 2 Quad Q6700 | Core 2 Duo T5870 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | — | Legacy Mobile |
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