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| Intel Pentium D 925 vs Core2 Duo E4400 |
Released July, 2006
Intel Pentium D 925
- 3 GHz
- Dual core
Reasons to buy the Intel Pentium D 925
![]() | Much more l2 cache 4 MB | ![]() | Significantly higher clock speed 3 GHz |
![]() | Much more l2 cache per core 2 MB/core | ![]() | Significantly better overclocked clock speed (Air) 4.23 GHz |
VS
Released April, 2007
Intel Core2 Duo E4400
- 2 GHz
- Dual core
Reasons to buy the Core2 Duo E4400
![]() | Significantly lower typical power consumption 52.81W | ![]() | Significantly lower annual home energy cost 15.66 $/year |
![]() | Significantly lower annual commercial energy cost 56.94 $/year | ![]() | Slightly better performance per watt 1.25 pt/W |
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Differences What are the advantages of each
| |||||||
Much more l2 cache | 4 MB | vs | 2 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
---|---|---|---|---|---|---|---|
Significantly higher clock speed | 3 GHz | vs | 2 GHz | 50% higher clock speed | |||
Much more l2 cache per core | 2 MB/core | vs | 1 MB/core | 2x more l2 cache per core | |||
Significantly better overclocked clock speed (Air) | 4.23 GHz | vs | 3.16 GHz | Around 35% better overclocked clock speed (Air) | |||
Better performance per dollar | 0.76 pt/$ | vs | 0.68 pt/$ | More than 10% better performance per dollar | |||
Significantly better overclocked clock speed (Water) | 4.4 GHz | vs | 3.53 GHz | Around 25% better overclocked clock speed (Water) | |||
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Significantly 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 | |||
Slightly better performance per watt | 1.25 pt/W | vs | 0.59 pt/W | More than 2x better performance per watt | |||
Newer | Apr, 2007 | vs | Jul, 2006 | Release date 9 months later |
Benchmarks Real world tests of Pentium D 925 vs Core2 Duo E4400
GeekBench (32-bit) Data courtesy Primate Labs
Pentium D 925
1,004
Core2 Duo E4400
1,798
GeekBench
Pentium D 925
1,877
Core2 Duo E4400
3,265
PassMark Data courtesy Passmark
Pentium D 925
691
Core2 Duo E4400
1,161
PassMark (Single Core)
Pentium D 925
751
Core2 Duo E4400
733
Specifications Full list of technical specs
summary | Pentium D 925 | vs | Core2 Duo E4400 |
---|---|---|---|
Clock speed | 3 GHz | 2 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
LGA 775 | |||
P | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | No | |
Has virtualization support | No | No | |
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 | 0.59 pt/W | 1.25 pt/W | |
Typical power consumption | 77.19W | 52.81W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 800 MHz | 800 MHz |
details | Pentium D 925 | vs | Core2 Duo E4400 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 1 | 2 | |
L2 cache | 4 MB | 2 MB | |
L2 cache per core | 2 MB/core | 1 MB/core | |
Manufacture process | 65 nm | 65 nm | |
Transistor count | 376,000,000 | 167,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 15 | 10 | |
Voltage range | 1.2 - 1.34V | 0.85 - 1.5V | |
Operating temperature | Unknown - 63.4°C | Unknown - 61.4°C | |
overclocking | |||
Overclocked clock speed | 4.23 GHz | 3.16 GHz | |
Overclocked clock speed (Water) | 4.4 GHz | 3.53 GHz | |
Overclocked clock speed (Air) | 4.23 GHz | 3.16 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 925 ![]() | Intel Core2 Duo E4400 ![]() |
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