CPUBoss Review Our evaluation of G2020 vs 1640B among desktop CPUs

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

7.2

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium G2020 

CPUBoss recommends the Intel Pentium G2020  based on its overclocking.

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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 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much better overclocked clock speed (Air) 3.04 GHz vs 2.7 GHz Around 15% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.1 GHz vs 2.7 GHz Around 15% better overclocked clock speed (Water)
Front view of AMD Athlon 1640B

Reasons to consider the
AMD Athlon 1640B

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing

Benchmarks Real world tests of Pentium G2020 vs Athlon 1640B

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G2020
151,400 MB/s
Athlon 1640B
64.8 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G2020  vs
Athlon 1640B 
Clock speed 2.9 GHz 2.7 GHz
Cores Dual core Single core
Socket type
LGA 1155
AM2

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3

power consumption

TDP 55W 45W
Annual home energy cost 13.25 $/year 10.84 $/year
Annual commercial energy cost 48.18 $/year 39.42 $/year
Performance per watt 2.1 pt/W 0.93 pt/W
Typical power consumption 44.69W 36.56W

details

Pentium G2020  vs
Athlon 1640B 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 3 MB 0.5 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.04 GHz 2.7 GHz
Overclocked clock speed (Water) 3.1 GHz 2.7 GHz
Overclocked clock speed (Air) 3.04 GHz 2.7 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,050 MHz N/A
Intel Pentium G2020
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AMD Athlon 1640B
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