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| Intel Core2 Quad Q6600 vs Duo E6400 |
Released January, 2007
Intel Core2 Quad Q6600
- 2.4 GHz
- Quad core
Reasons to buy the Intel Core2 Quad Q6600
![]() | Much better PassMark score 2,970 | ![]() | Much better geekbench 2 (32-bit) score 4,161 |
![]() | More cores 4 | ![]() | More threads 4 |
VS
Released July, 2006
Intel Core2 Duo E6400
- 2.13 GHz
- Dual core
Reasons to buy the Duo E6400
![]() | Much lower typical power consumption 52.81W | ![]() | Much lower annual commercial energy cost 56.94 $/year |
![]() | Much lower annual home energy cost 15.66 $/year |
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Differences What are the advantages of each
| |||||||
Much better PassMark score | 2,970 | vs | 1,295 | More than 2.2x better PassMark score | |||
---|---|---|---|---|---|---|---|
Much better geekbench 2 (32-bit) score | 4,161 | vs | 1,961 | More than 2x better geekbench 2 (32-bit) score | |||
More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
More threads | 4 | vs | 2 | Twice as many threads | |||
Higher clock speed | 2.4 GHz | vs | 2.13 GHz | Around 15% higher clock speed | |||
Significantly better overclocked clock speed (Air) | 3.52 GHz | vs | 3.33 GHz | More than 5% better overclocked clock speed (Air) | |||
Higher Maximum operating temperature | 62.2 °C | vs | 61.4 °C | Almost the same | |||
Better overclocked clock speed (Water) | 3.6 GHz | vs | 3.33 GHz | Around 10% better overclocked clock speed (Water) | |||
| |||||||
Much lower typical power consumption | 52.81W | vs | 85.31W | Around 40% lower typical power consumption | |||
Much lower annual commercial energy cost | 56.94 $/year | vs | 91.98 $/year | Around 40% lower annual commercial energy cost | |||
Much lower annual home energy cost | 15.66 $/year | vs | 25.29 $/year | Around 40% lower annual home energy cost |
Benchmarks Real world tests of Core2 Quad Q6600 vs Duo E6400
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core2 Quad Q6600
4,490
Core2 Duo E6400
2,071
GeekBench 3 (Single core) Data courtesy Primate Labs
Core2 Quad Q6600
1,306
Core2 Duo E6400
1,133
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core2 Quad Q6600
102,800 MB/s
Core2 Duo E6400
91,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core2 Quad Q6600
4,161
Core2 Duo E6400
1,961
GeekBench (64-bit) Data courtesy Primate Labs
Core2 Quad Q6600
4,541
Core2 Duo E6400
2,126
GeekBench
Core2 Quad Q6600
5,918
Core2 Duo E6400
3,267
PassMark Data courtesy Passmark
Core2 Quad Q6600
2,970
Core2 Duo E6400
1,295
PassMark (Single Core)
Core2 Quad Q6600
924
Core2 Duo E6400
801
Reviews Word on the street
Core2 Quad Q6600 | vs | Duo E6400 | ||
![]() | 8.0 | 9.0 |
---|
Specifications Full list of technical specs
summary | Core2 Quad Q6600 | vs | Duo E6400 |
---|---|---|---|
Clock speed | 2.4 GHz | 2.13 GHz | |
Cores | Quad core | Dual core | |
Socket type | |||
LGA 775 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | No | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 105W | 65W | |
Annual home energy cost | 25.29 $/year | 15.66 $/year | |
Annual commercial energy cost | 91.98 $/year | 56.94 $/year | |
Performance per watt | 1.19 pt/W | 1.35 pt/W | |
Typical power consumption | 85.31W | 52.81W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 1,066 MHz | 1,066 MHz |
details | Core2 Quad Q6600 | vs | Duo E6400 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 2 | |
L2 cache | 8 MB | 2 MB | |
L2 cache per core | 2 MB/core | 1 MB/core | |
Manufacture process | 65 nm | 65 nm | |
Transistor count | 582,000,000 | 167,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 9 | 8 | |
Voltage range | 0.85 - 1.5V | 0.85 - 1.5V | |
Operating temperature | Unknown - 62.2°C | Unknown - 61.4°C | |
overclocking | |||
Overclock popularity | 278 | 15 | |
Overclocked clock speed | 3.52 GHz | 3.33 GHz | |
Overclocked clock speed (Water) | 3.6 GHz | 3.33 GHz | |
Overclocked clock speed (Air) | 3.52 GHz | 3.33 GHz | |
integrated graphics | |||
GPU | None | None | |
Label | N/A | N/A | |
Latest DirectX | N/A | N/A | |
Number of displays supported | N/A | N/A | |
GPU clock speed | N/A | N/A | |
Turbo clock speed | N/A | N/A | |
3DMark06 | N/A | N/A |
Intel Core2 Quad Q6600 ![]() | Intel Core2 Duo E6400 ![]() |
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