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AMD Athlon II X2 250

Front view of AMD Athlon II X2 250
Front view of AMD A4 4000

AMD A4 4000

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Differences What are the advantages of each

Front view of AMD Athlon II X2 250

Reasons to consider the
AMD Athlon II X2 250

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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 more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly higher Maximum operating temperature 74 °C vs 70 °C More than 5% higher Maximum operating temperature
Significantly better overclocked clock speed (Water) 4.04 GHz vs 3.49 GHz More than 15% better overclocked clock speed (Water)
Front view of AMD A4 4000

Reasons to consider the
AMD A4 4000

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 4.02 GHz vs 3.72 GHz Around 10% better overclocked clock speed (Air)
Newer May, 2013 vs Jun, 2009 Release date over 3 years later

Benchmarks Real world tests of Athlon II X2 250 vs A4 4000

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Athlon II X2 250
2,814
A4 4000
2,519

GeekBench 3 (Single core) Data courtesy Primate Labs

Athlon II X2 250
1,524
A4 4000
1,622

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X2 250
120,700 MB/s
A4 4000
1,830,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Athlon II X2 250
2,690
A4 4000
2,502

GeekBench

Athlon II X2 250
4,461
A4 4000
2,502

PassMark Data courtesy Passmark

Athlon II X2 250
1,750
A4 4000
1,809

PassMark (Single Core)

Athlon II X2 250
1,008
A4 4000
1,103

Specifications Full list of technical specs

summary

 Athlon II X2 250  vs
A4 4000 
Clock speed 3 GHz 3 GHz
Turbo clock speed 3.6 GHz 3 GHz
Cores Dual core Dual core
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
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.79 pt/W 5.4 pt/W
Typical power consumption 52.81W 52.81W

details

 Athlon II X2 250  vs
A4 4000 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Voltage range 0.85 - 1.43V 0.8 - 1.45V
Operating temperature Unknown - 74°C Unknown - 70°C

overclocking
Overclocked clock speed 3.72 GHz 4.02 GHz
Overclocked clock speed (Water) 4.04 GHz 3.49 GHz
PassMark (Overclocked) 2,374.3 1,069.1
Overclocked clock speed (Air) 3.72 GHz 4.02 GHz

integrated graphics
GPU None GPU
Label N/A Radeon™ HD 7480D
Latest DirectX N/A 11.0
GPU clock speed N/A 720 MHz
AMD Athlon II X2 250
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AMD A4 4000
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