CPUBoss Review Our evaluation of 3220 vs 6400K among desktop CPUs (45 to 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 Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache 3 MB vs None Compared to all cpus, 3 MB l3 cache is just OK
Significantly better PassMark score 4,229 vs 2,284 More than 85% better PassMark score
Significantly better PassMark (Single core) score 1,764 vs 1,367 Around 30% better PassMark (Single core) score
More threads 4 vs 2 Twice as many threads
Lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 13.25 $/year vs 15.66 $/year More than 15% lower annual home energy cost
Front view of AMD A6 6400K

Reasons to consider the
AMD A6 6400K

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Significantly higher clock speed 3.9 GHz vs 3.3 GHz Around 20% higher clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better performance per dollar 8.07 pt/$ vs 1.48 pt/$ Around 5.5x better performance per dollar
Slightly more l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly better overclocked clock speed (Air) 4.79 GHz vs 3.43 GHz Around 40% better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 70 °C vs 65.3 °C More than 5% higher Maximum operating temperature
Higher GPU clock speed 800 MHz vs 650 MHz Around 25% higher GPU clock speed
Better performance per watt 7.7 pt/W vs 3.37 pt/W More than 2.2x better performance per watt
Newer Jun, 2013 vs Sep, 2012 Release date 9 months later
Much better overclocked clock speed (Water) 5.14 GHz vs 3.48 GHz Around 50% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i3 3220 vs A6 6400K

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Core i3 3220
2,251
A6 6400K
2,364

Sky Diver Data courtesy FutureMark

Cloud Gate Data courtesy FutureMark

Core i3 3220
2,654
A6 6400K
3,375

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i3 3220
5,399
A6 6400K
3,328

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i3 3220
2,501
A6 6400K
2,108

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i3 3220
173,000 MB/s
A6 6400K
2,380,000 MB/s

PassMark Data courtesy Passmark

Core i3 3220
4,229
A6 6400K
2,284

PassMark (Single Core)

Core i3 3220
1,764
A6 6400K
1,367

Specifications Full list of technical specs

summary

Core i3 3220  vs
A6 6400K 
Clock speed 3.3 GHz 3.9 GHz
Cores Dual core Dual core
Is unlocked No Yes

features

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

power consumption

TDP 55W 65W
Annual home energy cost 13.25 $/year 15.66 $/year
Annual commercial energy cost 48.18 $/year 56.94 $/year
Performance per watt 3.37 pt/W 7.7 pt/W
Typical power consumption 44.69W 52.81W

details

Core i3 3220  vs
A6 6400K 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 3 MB None
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 65.3°C Unknown - 70°C

overclocking

Overclocked clock speed 3.43 GHz 4.79 GHz
Overclocked clock speed (Water) 3.48 GHz 5.14 GHz
Overclocked clock speed (Air) 3.43 GHz 4.79 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Radeon™ HD 8470D
GPU clock speed 650 MHz 800 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3
Intel Core i3 3220
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AMD A6 6400K
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