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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
Much better performance per watt 2.11 pt/W vs 0.73 pt/W Around 3x better performance per watt
Much lower typical power consumption 44.69W vs 77.19W More than 40% lower typical power consumption
Higher clock speed 2.9 GHz vs 2.8 GHz Around 5% higher clock speed
Much lower annual home energy cost 13.25 $/year vs 22.89 $/year More than 40% lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 83.22 $/year More than 40% lower annual commercial energy cost
Newer Jan, 2013 vs Apr, 2009 Release date over 3 years later
Front view of AMD Athlon X2 7850

Reasons to consider the
AMD Athlon X2 7850

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Better overclocked clock speed (Air) 3.16 GHz vs 3.03 GHz Around 5% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 3.33 GHz vs 3.1 GHz More than 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G2020 vs Athlon X2 7850

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 X2 7850
105.5 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 X2 7850 
Clock speed 2.9 GHz 2.8 GHz
Cores Dual core Dual core
Socket type
LGA 1155
AM2+

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 55W 95W
Annual home energy cost 13.25 $/year 22.89 $/year
Annual commercial energy cost 48.18 $/year 83.22 $/year
Performance per watt 2.11 pt/W 0.73 pt/W
Typical power consumption 44.69W 77.19W

details

Pentium G2020  vs
Athlon X2 7850 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.03 GHz 3.16 GHz
Overclocked clock speed (Water) 3.1 GHz 3.33 GHz
Overclocked clock speed (Air) 3.03 GHz 3.16 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 X2 7850
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