CPUBoss Review Our evaluation of G2020 vs E5800


Benchmark performance using all cores

PassMark and GeekBench (32-bit)

Single-core Performance

Individual core benchmark performance

PassMark (Single Core)


How much speed can you get out of the processor?

overclock popularity


Are you paying a premium for performance?

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Overclocking and Value

Intel Pentium G2020 

CPUBoss recommends the Intel Pentium G2020  based on its .

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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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Much newer manufacturing process 22 nm vs 45 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
Better performance per dollar 6.98 pt/$ vs 4.87 pt/$ Around 45% better performance per dollar
Better PassMark (Single core) score 1,560 vs 1,299 More than 20% better PassMark (Single core) score
Newer Jan, 2013 vs Nov, 2010 Release date over 2 years later
Lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Better performance per watt 7.84 pt/W vs 4.35 pt/W More than 80% better performance per watt
Better PassMark score 2,780 vs 1,888 More than 45% better PassMark score
Lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 13.25 $/year vs 15.66 $/year More than 15% lower annual home energy cost
Front view of Intel Pentium E5800

Reasons to consider the
Intel Pentium E5800

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Higher clock speed 3.2 GHz vs 2.9 GHz More than 10% higher clock speed
More l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Pentium G2020 vs E5800

GeekBench (32-bit) Data courtesy Primate Labs


PassMark Data courtesy PassMark

PassMark (Single Core) Data courtesy PassMark

Specifications Full list of technical specs


Pentium G2020  vs
Clock speed 2.9 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
LGA 1155
LGA 775


Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
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 7.84 pt/W 4.35 pt/W
Typical power consumption 44.69W 52.81W


Pentium G2020  vs
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1
Clock multiplier 29 16


Overclock popularity 3 5

integrated graphics

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


Architecture DMI FSB
Number of links 1 1
Intel Pentium G2020
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Intel Pentium E5800
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