CPUBoss Review Our evaluation of 651 vs 3850 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

2.6

CPUBoss Score

Combination of all six facets

Winner
AMD Athlon II X4 651 

CPUBoss recommends the AMD Athlon II X4 651  based on its .

See full details

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 651

Reasons to consider the
AMD Athlon II X4 651

Report a correction

CPUBoss is not aware of any important advantages of the Athlon II X4 651 vs the A8 3850.

Front view of AMD A8 3850

Reasons to consider the
AMD A8 3850

Report a correction
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Athlon II X4 651 vs A8 3850

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 651
125,700 MB/s
A8 3850
121,450 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 651  vs
A8 3850 
Clock speed 3 GHz 2.9 GHz
Turbo clock speed None None
Cores Quad core Quad core

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 100W
Annual home energy cost 24.09 $/year 37.95 $/year
Annual commercial energy cost 87.6 $/year 107.75 $/year
Performance per watt 1.51 pt/W 1.39 pt/W
Typical power consumption 81.25W 107.85W

details

Athlon II X4 651  vs
A8 3850 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 4 MB 4 MB
L2 cache per core 1 MB/core 1 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 0.91 - 1.41V 0.91 - 1.41V

overclocking

Overclocked clock speed 3.41 GHz 3.54 GHz
Overclocked clock speed (Water) 3 GHz 2.9 GHz
Overclocked clock speed (Air) 3.41 GHz 3.54 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6550D
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
AMD Athlon II X4 651
Report a correction
AMD A8 3850
Report a correction

Read more

Comments

comments powered by Disqus