CPUBoss Review Our evaluation of 4170 vs 6400K 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?

FX 4170
n.d.
A6 6400K
n.d.
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

6.1

CPUBoss Score

Combination of all six facets

Winner
AMD FX 4170 

CPUBoss recommends the AMD FX 4170  based on its .

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Differences What are the advantages of each

Front view of AMD FX 4170

Reasons to consider the
AMD FX 4170

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Much more l3 cache 8 MB vs None Compared to all cpus, 8 MB l3 cache is just OK
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
Higher clock speed 4.2 GHz vs 3.9 GHz Around 10% higher clock speed
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
Front view of AMD A6 6400K

Reasons to consider the
AMD A6 6400K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 52.81W vs 101.56W Around 50% lower typical power consumption
Much higher Maximum operating temperature 70 °C vs 61.1 °C Around 15% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 30.11 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 109.5 $/year Around 50% lower annual commercial energy cost
Better overclocked clock speed (Water) 5.16 GHz vs 4.98 GHz Around 5% better overclocked clock speed (Water)
Newer Jun, 2013 vs Feb, 2012 Release date over 1 years later

Benchmarks Real world tests of FX 4170 vs A6 6400K

CompuBench 1.5 (Video composition) Data courtesy CompuBench

FX 4170
-1 fps
A6 6400K
9.95 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

FX 4170
5,927
A6 6400K
3,328

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 4170
2,055
A6 6400K
2,108

GeekBench 3 (AES single core) Data courtesy Primate Labs

FX 4170
2,370,000 MB/s
A6 6400K
2,380,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

FX 4170
5,797
A6 6400K
4,094

GeekBench

FX 4170
8,216
A6 6400K
4,094

PassMark Data courtesy Passmark

FX 4170
9,004
A6 6400K
2,291

PassMark (Single Core)

FX 4170
1,531
A6 6400K
1,404

Specifications Full list of technical specs

summary

FX 4170  vs
A6 6400K 
Clock speed 4.2 GHz 3.9 GHz
Turbo clock speed 4.4 GHz 4.1 GHz
Cores Quad core Dual core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
ABM
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 125W 65W
Annual home energy cost 30.11 $/year 15.66 $/year
Annual commercial energy cost 109.5 $/year 56.94 $/year
Performance per watt 6.94 pt/W 7.25 pt/W
Typical power consumption 101.56W 52.81W

details

FX 4170  vs
A6 6400K 
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 8 MB None
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 61.1°C Unknown - 70°C

overclocking

Overclocked clock speed 4.72 GHz 4.76 GHz
Overclocked clock speed (Water) 4.98 GHz 5.16 GHz
Overclocked clock speed (Air) 4.72 GHz 4.76 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 8470D
Latest DirectX N/A 11.0
GPU clock speed N/A 800 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
AMD FX 4170
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AMD A6 6400K
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