CPUBoss Review Our evaluation of G2020 vs 6500 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

7.8

CPUBoss Score

Combination of all six facets

Winner
AMD A8 6500 

CPUBoss recommends the AMD A8 6500  based on its performance, overclocking and value.

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VS

Differences What are the advantages of each

Front view of Intel Pentium G2020

Reasons to consider the
Intel Pentium G2020

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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
Lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Lower annual home energy cost 13.25 $/year vs 15.66 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial energy cost
Front view of AMD A8 6500

Reasons to consider the
AMD A8 6500

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Significantly higher clock speed 3.5 GHz vs 2.9 GHz More than 20% higher clock speed
Significantly 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
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better geekbench 3 AES single core score 2,230,000 MB/s vs 151,400 MB/s Around 14.8x better geekbench 3 AES single core score
Significantly better PassMark score 4,417 vs 2,780 Around 60% better PassMark score
More threads 4 vs 2 Twice as many threads
More cores 4 vs 2 Twice as many cores; run more applications at once
Significantly better performance per dollar 5.42 pt/$ vs 1.9 pt/$ More than 2.8x better performance per dollar
Higher GPU clock speed 800 MHz vs 650 MHz Around 25% higher GPU clock speed
Better performance per watt 8.01 pt/W vs 2.6 pt/W More than 3x better performance per watt
Better overclocked clock speed (Air) 3.72 GHz vs 3.04 GHz More than 20% better overclocked clock speed (Air)
Newer Jun, 2013 vs Jan, 2013 Release date 4 months later
Better overclocked clock speed (Water) 3.5 GHz vs 3.1 GHz Around 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G2020 vs A8 6500

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Pentium G2020
3.64 mHash/s
A8 6500
44.05 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Pentium G2020
0.48 fps
A8 6500
0.4 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 6500
2,477

Sky Diver Data courtesy FutureMark

Cloud Gate Data courtesy FutureMark

A8 6500
4,738

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 6500
5,792

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 6500
2,086

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G2020
151,400 MB/s
A8 6500
2,230,000 MB/s

Specifications Full list of technical specs

summary

Pentium G2020  vs
A8 6500 
Clock speed 2.9 GHz 3.5 GHz
Cores Dual core Quad core

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 2.6 pt/W 8.01 pt/W
Typical power consumption 44.69W 52.81W

details

Pentium G2020  vs
A8 6500 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 4 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 3 MB None
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.04 GHz 3.72 GHz
Overclocked clock speed (Water) 3.1 GHz 3.5 GHz
Overclocked clock speed (Air) 3.04 GHz 3.72 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Radeon™ HD 8570D
GPU clock speed 650 MHz 800 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3
Intel Pentium G2020
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AMD A8 6500
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