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| AMD Phenom II X2 550 vs Athlon II X2 250 |
Released November, 2009
AMD Phenom II X2 550
- 3.1 GHz
- Dual core
- Unlocked
Reasons to buy the AMD Phenom II X2 550
![]() | Much more l3 cache 6 MB | ![]() | Is unlocked Yes |
![]() | Much more l3 cache per core 3 MB/core | ![]() | Higher clock speed 3.1 GHz |
VS
Released June, 2009
AMD Athlon II X2 250
- 3 GHz
- Dual core
Reasons to buy the Athlon II X2 250
![]() | Much more l2 cache 2 MB | ![]() | Much lower typical power consumption 52.81W |
![]() | Much newer manufacturing process 32 nm | ![]() | Much better performance per watt 1.79 pt/W |
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 | |||
Much more l3 cache per core | 3 MB/core | vs | 0 MB/core | Compared to all cpus, 3 MB/core l3 cache per core is just OK | |||
Higher clock speed | 3.1 GHz | vs | 3 GHz | Around 5% higher clock speed | |||
Better overclocked clock speed (Air) | 3.81 GHz | vs | 3.72 GHz | Almost the same | |||
| |||||||
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 lower typical power consumption | 52.81W | vs | 124.5W | 2.4x lower typical power consumption | |||
Much newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much better performance per watt | 1.79 pt/W | vs | 0.89 pt/W | More than 2x better performance per watt | |||
Much more l2 cache per core | 1 MB/core | vs | 0.5 MB/core | 2x more l2 cache per core | |||
Much lower annual home energy cost | 15.66 $/year | vs | 46.25 $/year | 3x lower annual home energy cost | |||
Significantly higher Maximum operating temperature | 74 °C | vs | 70 °C | More than 5% higher Maximum operating temperature | |||
Much lower annual commercial energy cost | 56.94 $/year | vs | 120.89 $/year | 2.1x lower annual commercial energy cost | |||
Much better overclocked clock speed (Water) | 4.04 GHz | vs | 3.12 GHz | Around 30% better overclocked clock speed (Water) |
Benchmarks Real world tests of Phenom II X2 550 vs Athlon II X2 250
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Phenom II X2 550
2,966
Athlon II X2 250
2,814
GeekBench 3 (Single core) Data courtesy Primate Labs
Phenom II X2 550
1,601
Athlon II X2 250
1,524
GeekBench 3 (AES single core) Data courtesy Primate Labs
Phenom II X2 550
125,000 MB/s
Athlon II X2 250
120,700 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Phenom II X2 550
2,839
Athlon II X2 250
2,690
GeekBench (64-bit) Data courtesy Primate Labs
Phenom II X2 550
4,747
Athlon II X2 250
2,929
GeekBench
Phenom II X2 550
4,747
Athlon II X2 250
4,461
PassMark Data courtesy Passmark
Phenom II X2 550
2,028
Athlon II X2 250
1,750
PassMark (Single Core)
Phenom II X2 550
1,067
Athlon II X2 250
1,008
Reviews Word on the street
Phenom II X2 550 | vs | Athlon II X2 250 | ||
![]() | 7.0 | 6.0 |
---|
Specifications Full list of technical specs
summary | Phenom II X2 550 | vs | Athlon II X2 250 |
---|---|---|---|
Clock speed | 3.1 GHz | 3 GHz | |
Cores | Dual 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 X2 550 | vs | Athlon II X2 250 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 2 | |
L2 cache | 1 MB | 2 MB | |
L2 cache per core | 0.5 MB/core | 1 MB/core | |
L3 cache | 6 MB | 0 MB | |
L3 cache per core | 3 MB/core | 0 MB/core | |
Manufacture process | 45 nm | 32 nm | |
Max CPUs | 1 | 1 | |
Voltage range | 0.85 - 1.43V | 0.85 - 1.43V | |
Operating temperature | Unknown - 70°C | Unknown - 74°C | |
overclocking | |||
Overclock popularity | 7 | 25 | |
Overclocked clock speed | 3.81 GHz | 3.72 GHz | |
Overclocked clock speed (Water) | 3.12 GHz | 4.04 GHz | |
PassMark (Overclocked) | 1,881.5 | 2,374.3 | |
Overclocked clock speed (Air) | 3.81 GHz | 3.72 GHz | |
power consumption | |||
TDP | 80W | 65W | |
Annual home energy cost | 46.25 $/year | 15.66 $/year | |
Annual commercial energy cost | 120.89 $/year | 56.94 $/year | |
Performance per watt | 0.89 pt/W | 1.79 pt/W | |
Typical power consumption | 124.5W | 52.81W | |
bus | |||
Clock speed | 2,000 MHz | 2,000 MHz |
AMD Phenom II X2 550 ![]() | AMD Athlon II X2 250 ![]() |
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