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| AMD Phenom II X4 955 vs Athlon II X2 250 |
Released November, 2009
AMD Phenom II X4 955
- 3.2 GHz
- Quad core
- Unlocked
Reasons to buy the AMD Phenom II X4 955
![]() | Much more l3 cache 6 MB | ![]() | Is unlocked Yes |
![]() | More cores 4 | ![]() | More threads 4 |
VS
Released June, 2009
AMD Athlon II X2 250
- 3 GHz
- Dual core
Reasons to buy the Athlon II X2 250
![]() | Much newer manufacturing process 32 nm | ![]() | Much lower typical power consumption 52.81W |
![]() | Much more l2 cache per core 1 MB/core | ![]() | Much higher Maximum operating temperature 74 °C |
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
Much more l3 cache | 6 MB | vs | 0 MB | Compared to all cpus, 6 MB l3 cache is just OK | |||
---|---|---|---|---|---|---|---|
Is unlocked | Yes | vs | No | Somewhat common; An unlocked multiplier allows for easier overclocking | |||
More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
More threads | 4 | vs | 2 | Twice as many threads | |||
Much more l3 cache per core | 1.5 MB/core | vs | 0 MB/core | Compared to all cpus, 1.5 MB/core l3 cache per core is just OK | |||
Higher clock speed | 3.2 GHz | vs | 3 GHz | More than 5% higher clock speed | |||
Significantly better overclocked clock speed (Air) | 3.99 GHz | vs | 3.72 GHz | More than 5% better overclocked clock speed (Air) | |||
Better overclocked clock speed (Water) | 4.14 GHz | vs | 4.04 GHz | Around 5% better overclocked clock speed (Water) | |||
| |||||||
Much newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much lower typical power consumption | 52.81W | vs | 101.56W | Around 50% lower typical power consumption | |||
Much more l2 cache per core | 1 MB/core | vs | 0.5 MB/core | 2x more l2 cache per core | |||
Much higher Maximum operating temperature | 74 °C | vs | 62 °C | Around 20% higher Maximum operating temperature | |||
Much lower annual home energy cost | 15.66 $/year | vs | 30.11 $/year | Around 50% lower annual home energy cost | |||
Much lower annual commercial energy cost | 56.94 $/year | vs | 109.5 $/year | Around 50% lower annual commercial energy cost |
Benchmarks Real world tests of Phenom II X4 955 vs Athlon II X2 250
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Phenom II X4 955
5,898
Athlon II X2 250
2,814
GeekBench 3 (Single core) Data courtesy Primate Labs
Phenom II X4 955
1,679
Athlon II X2 250
1,524
GeekBench 3 (AES single core) Data courtesy Primate Labs
Phenom II X4 955
129,850 MB/s
Athlon II X2 250
120,700 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Phenom II X4 955
5,649
Athlon II X2 250
2,690
GeekBench (64-bit) Data courtesy Primate Labs
Phenom II X4 955
5,696
Athlon II X2 250
2,929
GeekBench
Phenom II X4 955
7,600
Athlon II X2 250
4,461
PassMark Data courtesy Passmark
Phenom II X4 955
3,960
Athlon II X2 250
1,750
PassMark (Single Core)
Phenom II X4 955
1,113
Athlon II X2 250
1,008
Reviews Word on the street
Phenom II X4 955 | vs | Athlon II X2 250 | ||
![]() | 8.0 | 6.0 | ||
---|---|---|---|---|
![]() | 8.7 | 9.6 | ||
Overall | 8.8 Out of 10 | 8.3 Out of 10 | ||
Specifications Full list of technical specs
summary | Phenom II X4 955 | vs | Athlon II X2 250 |
---|---|---|---|
Clock speed | 3.2 GHz | 3 GHz | |
Cores | Quad core | Dual core | |
Socket type | |||
AM3 | |||
Is unlocked | Yes | 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 | Phenom II X4 955 | vs | Athlon II 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 | 6 MB | 0 MB | |
L3 cache per core | 1.5 MB/core | 0 MB/core | |
Manufacture process | 45 nm | 32 nm | |
Max CPUs | 1 | 1 | |
Voltage range | 0.88 - 1.5V | 0.85 - 1.43V | |
Operating temperature | Unknown - 62°C | Unknown - 74°C | |
overclocking | |||
Overclock popularity | 259 | 25 | |
Overclocked clock speed | 3.99 GHz | 3.72 GHz | |
Overclocked clock speed (Water) | 4.14 GHz | 4.04 GHz | |
PassMark (Overclocked) | 3,674.7 | 2,374.3 | |
Overclocked clock speed (Air) | 3.99 GHz | 3.72 GHz | |
power consumption | |||
TDP | 125W | 65W | |
Annual home energy cost | 30.11 $/year | 15.66 $/year | |
Annual commercial energy cost | 109.5 $/year | 56.94 $/year | |
Performance per watt | 1.28 pt/W | 1.79 pt/W | |
Typical power consumption | 101.56W | 52.81W | |
bus | |||
Clock speed | 2,000 MHz | 2,000 MHz |
AMD Phenom II X4 955 ![]() | AMD Athlon II X2 250 ![]() |
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