CPUBoss Review Our evaluation of 3870K vs 3600 among desktop CPUs

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

5.5

CPUBoss Score

Combination of all six facets

Winner
AMD A8 3870K 

CPUBoss recommends the AMD A8 3870K  based on its single-core performance and overclocking.

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Differences What are the advantages of each

Front view of AMD A8 3870K

Reasons to consider the
AMD A8 3870K

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Much higher clock speed 3 GHz vs 2.1 GHz Around 45% higher clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better PassMark (Single core) score 1,032 vs 758 More than 35% better PassMark (Single core) score
Higher Maximum operating temperature 72.7 °C vs 70.5 °C Around 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.67 GHz vs 2.54 GHz Around 45% better overclocked clock speed (Water)
Front view of AMD A6 3600

Reasons to consider the
AMD A6 3600

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Much better performance per watt 1.7 pt/W vs 1.03 pt/W More than 65% better performance per watt
Much better overclocked clock speed (Air) 4.26 GHz vs 3.56 GHz Around 20% better overclocked clock speed (Air)
Much lower annual home energy cost 15.66 $/year vs 40.03 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 138.41 $/year 2.4x lower annual commercial energy cost

Benchmarks Real world tests of A8 3870K vs A6 3600

CompuBench 1.5 (Video composition) Data courtesy CompuBench

A8 3870K
10.88 fps
A6 3600
7.02 fps

Sky Diver Data courtesy FutureMark

A8 3870K
2,532
A6 3600
1,668

Cloud Gate Data courtesy FutureMark

A8 3870K
4,726
A6 3600
3,493

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 3870K
5,602
A6 3600
3,717

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 3870K
1,597
A6 3600
1,153

GeekBench 3 (AES single core) Data courtesy Primate Labs

A8 3870K
126,200 MB/s
A6 3600
90,200 MB/s

PassMark Data courtesy Passmark

A8 3870K
3,596
A6 3600
2,712

PassMark (Single Core)

A8 3870K
1,032
A6 3600
758

Specifications Full list of technical specs

summary

A8 3870K  vs
A6 3600 
Clock speed 3 GHz 2.1 GHz
Cores Quad core Quad core
Socket type
FM1
Is unlocked Yes 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 40.03 $/year 15.66 $/year
Annual commercial energy cost 138.41 $/year 56.94 $/year
Performance per watt 1.03 pt/W 1.7 pt/W
Typical power consumption N/A 52.81W

details

A8 3870K  vs
A6 3600 
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 0.91 - 1.41V
Operating temperature Unknown - 72.7°C Unknown - 70.5°C

overclocking

Overclocked clock speed 3.56 GHz 4.26 GHz
Overclocked clock speed (Water) 3.67 GHz 2.54 GHz
Overclocked clock speed (Air) 3.56 GHz 4.26 GHz

integrated graphics

GPU GPU GPU
Label Radeon™ HD 6550D Radeon™ HD 6530D
Latest DirectX 11.0 11.0
GPU clock speed 600 MHz 443 MHz

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 3600
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