Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of AMD Athlon II X4 641

Reasons to consider the
AMD Athlon II X4 641

Report a correction
Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
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 l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Higher clock speed 2.8 GHz vs 2.7 GHz Around 5% higher clock speed
Better overclocked clock speed (Water) 2.8 GHz vs 2.7 GHz Around 5% better overclocked clock speed (Water)
Front view of AMD A4 3400

Reasons to consider the
AMD A4 3400

Report a correction
Much more l3 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 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 0.25 MB/core vs 0 MB/core Compared to all cpus, 0.25 MB/core l3 cache per core is just OK
Much lower typical power consumption 52.81W vs 81.25W 35% lower typical power consumption
Better overclocked clock speed (Air) 3.5 GHz vs 3.37 GHz Around 5% better overclocked clock speed (Air)
Higher Maximum operating temperature 71.5 °C vs 70.1 °C Almost the same
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

Benchmarks Real world tests of Athlon II X4 641 vs A4 3400

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
A4 3400
112,400 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
A4 3400 
Clock speed 2.8 GHz 2.7 GHz
Turbo clock speed 0 GHz None
Cores Quad core Dual core
Socket type
FM1
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

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 1.57 pt/W
Typical power consumption 81.25W 52.81W

details

Athlon II X4 641  vs
A4 3400 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 4 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
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 - 71.5°C

overclocking

Overclocked clock speed 3.37 GHz 3.5 GHz
Overclocked clock speed (Water) 2.8 GHz 2.7 GHz
Overclocked clock speed (Air) 3.37 GHz 3.5 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6410D
Latest DirectX N/A 11.0
GPU clock speed N/A 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
AMD Athlon II X4 641
Report a correction
AMD A4 3400
Report a correction

Comments

comments powered by Disqus