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Differences What are the advantages of each

Front view of AMD Athlon II X4 641

Reasons to consider the
AMD Athlon II X4 641

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Much higher clock speed 2.8 GHz vs 2.1 GHz Around 35% higher clock speed
Much better PassMark (Single core) score 983 vs 748 More than 30% better PassMark (Single core) score
Much better overclocked clock speed (Water) 2.8 GHz vs 2.1 GHz Around 35% better overclocked clock speed (Water)
Front view of AMD A6 3500

Reasons to consider the
AMD A6 3500

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Much more l3 cache 1 MB vs 0 MB Compared to all cpus, 1 MB l3 cache is just OK
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much more l3 cache per core 0.33 MB/core vs 0 MB/core Compared to all cpus, 0.33 MB/core l3 cache per core is just OK
Much lower typical power consumption 52.81W vs 81.25W 35% lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 24.09 $/year 35% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 87.6 $/year 35% lower annual commercial energy cost
Higher Maximum operating temperature 70.9 °C vs 70.1 °C Almost the same

Benchmarks Real world tests of Athlon II X4 641 vs A6 3500

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 X4 641
116,900 MB/s
A6 3500
94.7 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon II X4 641  vs
A6 3500 
Clock speed 2.8 GHz 2.1 GHz
Turbo clock speed 0 GHz 2.4 GHz
Cores Quad core Tri core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6530D
Latest DirectX N/A 11.0
GPU clock speed N/A 443 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866

details

Athlon II X4 641  vs
A6 3500 
Architecture x86-64 x86-64
Threads 4 3
L2 cache 4 MB 3 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 0 MB 1 MB
L3 cache per core 0 MB/core 0.33 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,178,000,000 1,178,000,000
Max CPUs 1 1
Die size 228 mm² 228 mm²
Voltage range 0.45 - 1.41V 0.91 - 1.41V
Operating temperature Unknown - 70.1°C Unknown - 70.9°C

overclocking

Overclocked clock speed 3.37 GHz 3.34 GHz
Overclocked clock speed (Water) 2.8 GHz 2.1 GHz
Overclocked clock speed (Air) 3.37 GHz 3.34 GHz

power consumption

TDP 100W 65W
Annual home energy cost 24.09 $/year 15.66 $/year
Annual commercial energy cost 87.6 $/year 56.94 $/year
Performance per watt 1.4 pt/W 1.62 pt/W
Typical power consumption 81.25W 52.81W
AMD Athlon II X4 641
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AMD A6 3500
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