Core 2 Quad Q6700 vs Core i3-2125
Core 2 Quad Q6700
Core i3-2125
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 i3-2125 is on rank 892, so the Core i3-2125 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 i3-2125
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Quad Q6700 | Core i3-2125 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Kentsfield (2007) / 65 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Quad Q6700 | Core i3-2125 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+232%) |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ More affordable ($15) |
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 i3-2125
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 i3-2125
The Core i3-2125 is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 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: 2,082 points. Launch price was $170.
Processing Power
The Core 2 Quad Q6700 packs 4 cores / 4 threads, while the Core i3-2125 offers 2 cores / 4 threads — the Core 2 Quad Q6700 has 2 more cores. Boost clocks reach 2.67 GHz on the Core 2 Quad Q6700 versus 3.3 GHz on the Core i3-2125 — a 21.1% clock advantage for the Core i3-2125 (base: 2.66 GHz vs 3.3 GHz). The Core 2 Quad Q6700 uses the Kentsfield (2007) architecture (65 nm), while the Core i3-2125 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Quad Q6700 scores 2,092 against the Core i3-2125's 2,082 — a 0.5% lead for the Core 2 Quad Q6700. L3 cache: 0 kB on the Core 2 Quad Q6700 vs 3 MB (total) on the Core i3-2125.
| Feature | Core 2 Quad Q6700 | Core i3-2125 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 2.67 GHz | 3.3 GHz+24% |
| Base Clock | 2.66 GHz | 3.3 GHz+24% |
| L3 Cache | 0 kB | 3 MB (total) |
| L2 Cache | 8 MB (total)+3100% | 256 kB (per core) |
| Process | 65 nm | 32 nm-51% |
| Architecture | Kentsfield (2007) | Sandy Bridge (2011−2013) |
| PassMark | 2,092 | 2,082 |
| Geekbench 6 Single | — | 499 |
Memory & Platform
The Core 2 Quad Q6700 uses the LGA775 socket (PCIe 1.1), while the Core i3-2125 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Core 2 Quad Q6700 versus DDR3-1333 on the Core i3-2125 — the Core i3-2125 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-2125 supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Quad Q6700) vs 16 (Core i3-2125) — the Core i3-2125 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P45,G45 (Core 2 Quad Q6700) and H61,H67,P67,Z68,B65,Q65,Q67,B75,Q75,H77,Z75,Z77 (Core i3-2125).
| Feature | Core 2 Quad Q6700 | Core i3-2125 |
|---|---|---|
| Socket | LGA775 | LGA1155 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-800 | DDR3-1333+50% |
| Max RAM Capacity | 8 GB | 32 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Quad Q6700) vs VT-x, EPT (Core i3-2125). The Core i3-2125 includes integrated graphics (HD Graphics 3000), while the Core 2 Quad Q6700 requires a dedicated GPU. Primary use case: Core i3-2125 targets Budget Desktop. Direct competitor: Core i3-2125 rivals A8-3850.
| Feature | Core 2 Quad Q6700 | Core i3-2125 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics 3000 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, EPT |
| Target Use | — | Budget Desktop |
Value Analysis
The Core 2 Quad Q6700 launched at $530 MSRP, while the Core i3-2125 debuted at $134. At current prices ($50 vs $15), the Core i3-2125 is $35 cheaper. In terms of value (PassMark points per dollar), the Core 2 Quad Q6700 delivers 41.8 pts/$ vs 138.8 pts/$ for the Core i3-2125 — making the Core i3-2125 the 107.4% better value option.
| Feature | Core 2 Quad Q6700 | Core i3-2125 |
|---|---|---|
| MSRP | $530 | $134-75% |
| Avg Price (30d) | $50 | $15-70% |
| Performance per Dollar | 41.8 | 138.8+232% |
| Release Date | 2007 | 2011 |
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