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| Intel Pentium 4 640 vs AMD Athlon 64 X2 4400+ |
Released January, 2005
Intel Pentium 4 640
- 3.2 GHz
- Single core
Reasons to buy the Intel Pentium 4 640
![]() | Much more l2 cache 2 MB | ![]() | Much higher clock speed 3.2 GHz |
![]() | Much better overclocked clock speed (Air) 3.92 GHz | ![]() | Much more l2 cache per core 2 MB/core |
VS
First seen on January, 2013
AMD Athlon 64 X2 4400+
- 2.3 GHz
- Dual core
Reasons to buy the AMD Athlon 64 X2 4400+
![]() | More cores 2 | ![]() | Has virtualization support Yes |
![]() | Significantly lower typical power consumption 52.81W | ![]() | Significantly lower annual home energy cost 15.66 $/year |
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Differences What are the advantages of each
| |||||||
Much more l2 cache | 2 MB | vs | 1 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
---|---|---|---|---|---|---|---|
Much higher clock speed | 3.2 GHz | vs | 2.3 GHz | Around 40% higher clock speed | |||
Much better overclocked clock speed (Air) | 3.92 GHz | vs | 2.75 GHz | Around 45% better overclocked clock speed (Air) | |||
Much more l2 cache per core | 2 MB/core | vs | 0.5 MB/core | 4x more l2 cache per core | |||
| |||||||
More cores | 2 | vs | 1 | Twice as many cores; run more applications at once | |||
Has virtualization support | Yes | vs | No | Somewhat common; Boosts performance of virtual machines | |||
Significantly lower typical power consumption | 52.81W | vs | 68.25W | Around 25% lower typical power consumption | |||
Significantly lower annual home energy cost | 15.66 $/year | vs | 20.24 $/year | Around 25% lower annual home energy cost | |||
Significantly lower annual commercial energy cost | 56.94 $/year | vs | 73.58 $/year | Around 25% lower annual commercial energy cost |
Features Key features of the Pentium 4 640 vs Athlon 64 X2 4400+
clock speed
Pentium 4 640
3.2 GHz
Athlon 64 X2 4400+
2.3 GHz
L2 cache
Pentium 4 640
2 MB
Athlon 64 X2 4400+
1 MB
overclocked clock speed (air)
Pentium 4 640
3.92 GHz
Athlon 64 X2 4400+
2.75 GHz
overclocked clock speed (water)
Pentium 4 640
3.2 GHz
Athlon 64 X2 4400+
3.13 GHz
TDP
Pentium 4 640
84W
Specifications Full list of technical specs
summary | Pentium 4 640 | vs | Athlon 64 X2 4400+ |
---|---|---|---|
Clock speed | 3.2 GHz | 2.3 GHz | |
Cores | Single core | Dual core | |
Socket type | |||
LGA 775 | |||
AM2 | |||
939 | |||
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | No | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
3DNow! | |||
Supports dynamic frequency scaling | Yes | Yes |
details | Pentium 4 640 | vs | Athlon 64 X2 4400+ |
---|---|---|---|
Threads | 2 | 2 | |
L2 cache | 2 MB | 1 MB | |
L2 cache per core | 2 MB/core | 0.5 MB/core | |
Manufacture process | 90 nm | 90 nm | |
Max CPUs | 1 | 1 | |
overclocking | |||
Overclocked clock speed | 3.92 GHz | 2.75 GHz | |
Overclocked clock speed (Water) | 3.2 GHz | 3.13 GHz | |
PassMark (Overclocked) | 844.2 | 1,605.4 | |
Overclocked clock speed (Air) | 3.92 GHz | 2.75 GHz | |
power consumption | |||
TDP | 84W | 65W | |
Annual home energy cost | 20.24 $/year | 15.66 $/year | |
Annual commercial energy cost | 73.58 $/year | 56.94 $/year | |
Typical power consumption | 68.25W | 52.81W |
Intel Pentium 4 640 ![]() | AMD Athlon 64 X2 4400+ ![]() |
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