CPUBoss Review Our evaluation of 3870K vs 3670K 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of AMD A8 3870K

Reasons to consider the
AMD A8 3870K

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CPUBoss is not aware of any important advantages of the A8 3870K vs the A6 3670K.

Front view of AMD A6 3670K

Reasons to consider the
AMD A6 3670K

Report a correction

CPUBoss is not aware of any important advantages of the A6 3670K vs the A8 3870K.

Benchmarks Real world tests of A8 3870K vs A6 3670K

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 3870K
2,346
A6 3670K
2,547

Sky Diver Data courtesy FutureMark

A8 3870K
2,532
A6 3670K
1,740

Cloud Gate Data courtesy FutureMark

A8 3870K
4,726
A6 3670K
3,878

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 3870K
5,602
A6 3670K
5,104

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 3870K
1,597
A6 3670K
1,454

GeekBench 3 (AES single core) Data courtesy Primate Labs

A8 3870K
126,200 MB/s
A6 3670K
113,200 MB/s

PassMark Data courtesy Passmark

A8 3870K
3,596
A6 3670K
3,208

PassMark (Single Core)

A8 3870K
1,032
A6 3670K
938

Specifications Full list of technical specs

summary

A8 3870K  vs
A6 3670K 
Clock speed 3 GHz 2.7 GHz
Cores Quad core Quad core
Is unlocked Yes Yes

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 GPU GPU
Label Radeon™ HD 6550D Radeon™ HD 6530D
Latest DirectX 11.0 11.0
Number of displays supported 2 2
GPU clock speed 600 MHz 443 MHz
Turbo clock speed 600 MHz 658 MHz

details

A8 3870K  vs
A6 3670K 
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 0.45 - 1.41V 0.45 - 1.41V
Operating temperature Unknown - 72.7°C Unknown - 72.7°C

overclocking

Overclock popularity 32 4
Overclocked clock speed 3.56 GHz 3.33 GHz
Overclocked clock speed (Water) 3.67 GHz 3.59 GHz
Overclocked clock speed (Air) 3.56 GHz 3.33 GHz

power consumption

TDP 100W 100W
Annual home energy cost 40.03 $/year 24.09 $/year
Annual commercial energy cost 138.41 $/year 87.6 $/year
Performance per watt 1.03 pt/W 1.41 pt/W
Typical power consumption N/A 81.25W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
AMD A8 3870K
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AMD A6 3670K
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Comments

Showing 1 comment.
A6 3670K is a black edition APU, it has no turbo
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