CPUBoss Review Our evaluation of G2020 vs 6400K

Performance

Benchmark performance using all cores

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?

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 Pentium G2020 

CPUBoss recommends the Intel Pentium G2020  based on its .

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VS

Intel Pentium G2020

CPUBoss Winner
Front view of Intel Pentium G2020

Differences What are the advantages of each

Front view of Intel Pentium G2020

Reasons to consider the
Intel Pentium G2020

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Newer manufacturing process 22 nms vs 32 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Better PassMark (Single core) score 1,560 vs 1,413 More than 10% better PassMark (Single core) score
Slightly lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Slightly better performance per watt 8.38 pt/W vs 6.8 pt/W Around 25% better performance per watt
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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Significantly higher clock speed 3.9 GHz vs 2.9 GHz Around 35% higher clock speed
Significantly better overclocked clock speed (Air) 4.71 GHz vs 3.04 GHz Around 55% better overclocked clock speed (Air)
Better performance per dollar 7.67 pt/$ vs 6.23 pt/$ Around 25% better performance per dollar
Better 3DMark11 physics score 3,710 vs 2,830 More than 30% better 3DMark11 physics score
Significantly better overclocked clock speed (Water) 4.47 GHz vs 3.01 GHz Around 50% better overclocked clock speed (Water)
Marginally newer Jun, 2013 vs Jan, 2013 Release date 4 months later

Benchmarks Real world tests of Pentium G2020 vs A6 6400K

GeekBench (32-bit)

A6 6400K
4,094

GeekBench

A6 6400K
4,094

3D Mark 11 (Physics)

A6 6400K
3,710
Pentium G2020 A6 6400K @ community.futuremark.com

Passmark (Single Core)

A6 6400K
1,413

Specifications Full list of technical specs

summary

Pentium G2020  vs
A6 6400K 
Clock speed 2.9 GHz 3.9 GHz
Cores Dual core Dual core
Is hyperthreaded No No

features

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

gpu

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

details

Pentium G2020  vs
A6 6400K 
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nms 32 nms
Max CPUs 1 1

overclocking

Overclocked clock speed 3.04 GHz 4.71 GHz
Overclocked clock speed (Water) 3.01 GHz 4.47 GHz
Overclocked clock speed (Air) 3.04 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 8.38 pt/W 6.8 pt/W
Typical power consumption 44.69W 52.81W
Intel Pentium G2020
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AMD A6 6400K
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