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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
Significantly higher clock speed 3 GHz vs 2.5 GHz 20% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Air) 3.72 GHz vs 3.32 GHz More than 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.04 GHz vs 2.5 GHz More than 60% better overclocked clock speed (Water)
Front view of AMD A4 3300

Reasons to consider the
AMD A4 3300

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Much more l3 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 MB l3 cache is just OK
Much more l3 cache per core 0.25 MB/core vs 0 MB/core Compared to all cpus, 0.25 MB/core l3 cache per core is just OK
Newer Sep, 2011 vs Jun, 2009 Release date over 2 years later

Benchmarks Real world tests of Athlon II X2 250 vs A4 3300

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X2 250
120,700 MB/s
A4 3300
104,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon II X2 250  vs
A4 3300 
Clock speed 3 GHz 2.5 GHz
Turbo clock speed 3.6 GHz None
Cores Dual core Dual core
Socket type
AM3
FM1
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

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 1.34 pt/W
Typical power consumption 52.81W 52.81W

details

Athlon II X2 250  vs
A4 3300 
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
L3 cache 0 MB 0.5 MB
L3 cache per core 0 MB/core 0.25 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Voltage range 0.85 - 1.43V 0.91 - 1.41V

overclocking

Overclock popularity 25 3
Overclocked clock speed 3.72 GHz 3.32 GHz
Overclocked clock speed (Water) 4.04 GHz 2.5 GHz
Overclocked clock speed (Air) 3.72 GHz 3.32 GHz

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
AMD Athlon II X2 250
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AMD A4 3300
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