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

8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i3 3220 

CPUBoss recommends the Intel Core i3 3220  based on its performance and single-core performance.

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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
More threads 4 vs 2 Twice as many threads
Slightly lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Slightly lower annual home energy cost 13.25 $/year vs 15.66 $/year More than 15% lower annual home energy cost
Slightly lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial 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 10.97 pt/$ vs 2.68 pt/$ More than 4x better performance per dollar
Significantly better overclocked clock speed (Air) 4.79 GHz vs 3.43 GHz Around 40% better overclocked clock speed (Air)
Better geekbench 3 AES single core score 2,380,000 MB/s vs 173,000 MB/s More than 13.8x better geekbench 3 AES single core score
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 cloud gate score 3,375 vs 2,654 More than 25% better cloud gate score
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Jun, 2013 vs Sep, 2012 Release date 9 months later
Better performance per watt 7.92 pt/W vs 6.06 pt/W More than 30% better performance per watt
Better PCMark 8 home 3.0 accelerated score 2,364 vs 2,251 More than 5% better PCMark 8 home 3.0 accelerated score
Much better overclocked clock speed (Water) 5.13 GHz vs 3.51 GHz More than 45% 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 (32-bit) Data courtesy Primate Labs

Core i3 3220
5,351
A6 6400K
4,094

3D Mark 11 (Physics)

Core i3 3220
4,030
A6 6400K
3,710

3D Mark 06 (CPU)

Core i3 3220
4,019
A6 6400K
2,654

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 6.06 pt/W 7.92 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) 3.51 GHz 5.13 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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