CPUBoss Review Our evaluation of 3220 vs 6400K

Performance

Benchmark performance using all cores

3DMark06 (CPU), Passmark and GeekBench (32-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Overclocking

How much speed can you get out of the processor?

Unlocked, Maximum Overclocked Clock Speed (Air) and 1 more

Value

Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Winner
Intel Core i3 3220 

CPUBoss recommends the Intel Core i3 3220  based on its performance.

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VS

Intel Core i3 3220

CPUBoss Winner
Front view of Intel Core i3 3220

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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Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
Newer manufacturing process 22 nms vs 32 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 4 vs 2 Twice as many threads
Better PassMark (Single core) score 1,764 vs 1,413 Around 25% better PassMark (Single core) score
Better 3DMark06 CPU score 4,019 vs 2,654 More than 50% better 3DMark06 CPU score
Better PassMark score 4,229 vs 2,381 Around 80% better PassMark score
Better performance per watt 10.34 pt/W vs 6.78 pt/W More than 50% better performance per watt
Slightly lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Better geekbench (32-bit) score 5,361 vs 4,094 More than 30% better geekbench (32-bit) score
Slightly lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial energy cost
Slightly 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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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher clock speed 3.9 GHz vs 3.3 GHz Around 20% higher clock speed
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 performance per dollar 7.67 pt/$ vs 4.55 pt/$ Around 70% better performance per dollar
Significantly better overclocked clock speed (Air) 4.71 GHz vs 3.44 GHz More than 35% better overclocked clock speed (Air)
Higher Maximum Operating Temperature 70 °C vs 65.3 °C More than 5% higher Maximum Operating Temperature
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Marginally newer Jun, 2013 vs Sep, 2012 Release date 9 months later
Better overclocked clock speed (Water) 4.47 GHz vs 3.53 GHz More than 25% better overclocked clock speed (Water)

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

GeekBench (32-bit)

Core i3 3220
5,361
A6 6400K
4,094

GeekBench

Core i3 3220
8,919
A6 6400K
4,094

3D Mark 11 (Physics)

Core i3 3220
4,030
A6 6400K
3,710
Core i3 3220 A6 6400K @ community.futuremark.com

3D Mark 06 (CPU)

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

Passmark

Core i3 3220
4,229
A6 6400K
2,381
Core i3 3220 A6 6400K @ cpubenchmark.net

Passmark (Single Core)

Core i3 3220
1,764
A6 6400K
1,413

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
Is hyperthreaded Yes No

features

Has a NX bit Yes Yes
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
SSE3
SSE2
Supplemental SSE3
SSE4.1
SSE4
SSE4a
AES
Supports dynamic frequency scaling Yes Yes

gpu

GPU GPU GPU
Label Intel® HD Graphics 2500 Radeon™ HD 8470D

details

Core i3 3220  vs
A6 6400K 
Threads 4 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nms 32 nms
Max CPUs 1 1
Operating temperature Unknown - 65.3°C Unknown - 70°C

overclocking

Overclocked clock speed 3.44 GHz 4.71 GHz
Overclocked clock speed (Water) 3.53 GHz 4.47 GHz
Overclocked clock speed (Air) 3.44 GHz 4.71 GHz

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 10.34 pt/W 6.78 pt/W
Typical power consumption 44.69W 52.81W
Intel Core i3 3220
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AMD A6 6400K
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