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

No winner declared

Too close to call

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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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Newer manufacturing process 22 nms vs 45 nms 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 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 8.01 pt/W vs 4.46 pt/W Around 80% better performance per watt
Better PassMark score 2,785 vs 1,885 Around 50% better PassMark score
Better geekbench (32-bit) score 3,803 vs 2,581 More than 45% better geekbench (32-bit) 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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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
Higher clock speed 3.2 GHz vs 2.9 GHz More than 10% higher clock speed
Significantly more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better performance per dollar 15.25 pt/$ vs 10.5 pt/$ More than 45% better performance per dollar

Benchmarks Real world tests of Pentium G2020 vs E5800


Passmark (Single Core)

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
Is hyperthreaded No No


Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes


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


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 nms 45 nms
Max CPUs 1 1
Clock multiplier 29 16


Overclock popularity 3 5

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 8.01 pt/W 4.46 pt/W
Typical power consumption 44.69W 52.81W
Intel Pentium G2020
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Intel Pentium E5800
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