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| Intel Pentium D 945 vs Core2 Duo E6700 |
Released July, 2006
Intel Pentium D 945
- 3.4 GHz
- Dual core
Reasons to buy the Intel Pentium D 945
![]() | Much higher clock speed 3.4 GHz | ![]() | Much better overclocked clock speed (Air) 4.22 GHz |
![]() | Significantly higher Maximum operating temperature 63.4 °C | ![]() | Much better overclocked clock speed (Water) 4.59 GHz |
VS
Released July, 2006
Intel Core2 Duo E6700
- 2.66 GHz
- Dual core
Reasons to buy the Core2 Duo E6700
![]() | Much better geekbench 2 (32-bit) score 2,396 | ![]() | Much better performance per watt 1.69 pt/W |
![]() | Has virtualization support Yes | ![]() | Much lower typical power consumption 52.81W |
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Differences What are the advantages of each
| |||||||
Much higher clock speed | 3.4 GHz | vs | 2.66 GHz | Around 30% higher clock speed | |||
---|---|---|---|---|---|---|---|
Much better overclocked clock speed (Air) | 4.22 GHz | vs | 3.35 GHz | More than 25% better overclocked clock speed (Air) | |||
Significantly higher Maximum operating temperature | 63.4 °C | vs | 60.1 °C | More than 5% higher Maximum operating temperature | |||
Much better overclocked clock speed (Water) | 4.59 GHz | vs | 3.6 GHz | Around 30% better overclocked clock speed (Water) | |||
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Much better geekbench 2 (32-bit) score | 2,396 | vs | 1,571 | Around 55% better geekbench 2 (32-bit) score | |||
Much better performance per watt | 1.69 pt/W | vs | 1.14 pt/W | Around 50% better performance per watt | |||
Has virtualization support | Yes | vs | No | Somewhat common; Boosts performance of virtual machines | |||
Much lower typical power consumption | 52.81W | vs | 77.19W | More than 30% lower typical power consumption | |||
Significantly lower annual home energy cost | 15.66 $/year | vs | 22.89 $/year | More than 30% lower annual home energy cost | |||
Significantly lower annual commercial energy cost | 56.94 $/year | vs | 83.22 $/year | More than 30% lower annual commercial energy cost |
Benchmarks Real world tests of Pentium D 945 vs Core2 Duo E6700
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Pentium D 945
1,678
Core2 Duo E6700
2,556
GeekBench 3 (Single core) Data courtesy Primate Labs
Pentium D 945
932
Core2 Duo E6700
1,390
GeekBench 3 (AES single core) Data courtesy Primate Labs
Pentium D 945
122,800 MB/s
Core2 Duo E6700
113,800 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Pentium D 945
1,571
Core2 Duo E6700
2,396
GeekBench (64-bit) Data courtesy Primate Labs
Pentium D 945
2,830
Core2 Duo E6700
3,863
GeekBench
Pentium D 945
2,830
Core2 Duo E6700
3,863
Specifications Full list of technical specs
summary | Pentium D 945 | vs | Core2 Duo E6700 |
---|---|---|---|
Clock speed | 3.4 GHz | 2.66 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
LGA 775 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | No | |
Has virtualization support | No | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 95W | 65W | |
Annual home energy cost | 22.89 $/year | 15.66 $/year | |
Annual commercial energy cost | 83.22 $/year | 56.94 $/year | |
Performance per watt | 1.14 pt/W | 1.69 pt/W | |
Typical power consumption | 77.19W | 52.81W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 800 MHz | 1,066 MHz |
details | Pentium D 945 | vs | Core2 Duo E6700 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 2 | |
L2 cache | 4 MB | 4 MB | |
L2 cache per core | 2 MB/core | 2 MB/core | |
Manufacture process | 65 nm | 65 nm | |
Transistor count | 376,000,000 | 291,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 17 | 10 | |
Voltage range | 1.2 - 1.34V | 0.85 - 1.5V | |
Operating temperature | Unknown - 63.4°C | Unknown - 60.1°C | |
overclocking | |||
Overclock popularity | 9 | 7 | |
Overclocked clock speed | 4.22 GHz | 3.35 GHz | |
Overclocked clock speed (Water) | 4.59 GHz | 3.6 GHz | |
Overclocked clock speed (Air) | 4.22 GHz | 3.35 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 Pentium D 945 ![]() | Intel Core2 Duo E6700 ![]() |
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