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| AMD Athlon II X4 640 vs X2 250 |
Released May, 2010
AMD Athlon II X4 640
- 3 GHz
- Quad core
Reasons to buy the AMD Athlon II X4 640
![]() | More cores 4 | ![]() | More threads 4 |
![]() | Newer May, 2010 |
VS
Released June, 2009
AMD Athlon II X2 250
- 3 GHz
- Dual core
Reasons to buy the X2 250
![]() | Much newer manufacturing process 32 nm | ![]() | Much more l2 cache per core 1 MB/core |
![]() | Much lower typical power consumption 52.81W | ![]() | Higher Maximum operating temperature 74 °C |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
---|---|---|---|---|---|---|---|
More threads | 4 | vs | 2 | Twice as many threads | |||
Newer | May, 2010 | vs | Jun, 2009 | Release date 11 months later | |||
| |||||||
Much newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much more l2 cache per core | 1 MB/core | vs | 0.5 MB/core | 2x more l2 cache per core | |||
Much lower typical power consumption | 52.81W | vs | 77.19W | More than 30% lower typical power consumption | |||
Higher Maximum operating temperature | 74 °C | vs | 71 °C | Around 5% higher Maximum operating temperature | |||
Better overclocked clock speed (Air) | 3.72 GHz | vs | 3.57 GHz | Around 5% better overclocked clock speed (Air) | |||
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 | |||
Better overclocked clock speed (Water) | 4.04 GHz | vs | 3.89 GHz | Around 5% better overclocked clock speed (Water) |
Benchmarks Real world tests of Athlon II X4 640 vs X2 250
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Athlon II X4 640
5,434
Athlon II X2 250
2,814
GeekBench 3 (Single core) Data courtesy Primate Labs
Athlon II X4 640
1,559
Athlon II X2 250
1,524
GeekBench 3 (AES single core) Data courtesy Primate Labs
Athlon II X4 640
121,100 MB/s
Athlon II X2 250
120,700 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Athlon II X4 640
5,198
Athlon II X2 250
2,690
GeekBench (64-bit) Data courtesy Primate Labs
Athlon II X4 640
5,313
Athlon II X2 250
2,929
GeekBench
Athlon II X4 640
6,861
Athlon II X2 250
4,461
PassMark Data courtesy Passmark
Athlon II X4 640
3,327
Athlon II X2 250
1,750
PassMark (Single Core)
Athlon II X4 640
1,026
Athlon II X2 250
1,008
Reviews Word on the street
Athlon II X4 640 | vs | X2 250 | ||
![]() | 9.1 | 9.6 |
---|
Specifications Full list of technical specs
summary | Athlon II X4 640 | vs | X2 250 |
---|---|---|---|
Clock speed | 3 GHz | 3 GHz | |
Cores | Quad core | Dual core | |
Socket type | |||
AM3 | |||
Is unlocked | No | No | |
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE4a | |||
AVX 1.1 | |||
SSE2 | |||
F16C | |||
MMX | |||
XOP | |||
AVX | |||
SSE3 | |||
SSE | |||
BMI1 | |||
AMD64 | |||
SSE4.1 | |||
FMA4 | |||
FMA3 | |||
SSE4.2 | |||
ABM | |||
CVT16 | |||
AMD-V | |||
3DNow! | |||
Supplemental SSE3 | |||
AES | |||
TBM | |||
Supports dynamic frequency scaling | Yes | Yes | |
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 |
details | Athlon II X4 640 | vs | X2 250 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 2 | |
L2 cache | 2 MB | 2 MB | |
L2 cache per core | 0.5 MB/core | 1 MB/core | |
L3 cache | 0 MB | 0 MB | |
L3 cache per core | 0 MB/core | 0 MB/core | |
Manufacture process | 45 nm | 32 nm | |
Max CPUs | 1 | 1 | |
Voltage range | 1.05 - 1.4V | 0.85 - 1.43V | |
Operating temperature | Unknown - 71°C | Unknown - 74°C | |
overclocking | |||
Overclock popularity | 36 | 25 | |
Overclocked clock speed | 3.57 GHz | 3.72 GHz | |
Overclocked clock speed (Water) | 3.89 GHz | 4.04 GHz | |
PassMark (Overclocked) | 2,020.8 | 2,374.3 | |
Overclocked clock speed (Air) | 3.57 GHz | 3.72 GHz | |
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 | 1.54 pt/W | 1.79 pt/W | |
Typical power consumption | 77.19W | 52.81W | |
bus | |||
Clock speed | 2,000 MHz | 2,000 MHz |
AMD Athlon II X4 640 ![]() | AMD Athlon II X2 250 ![]() |
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