CPUBoss Review Our evaluation of G2020 vs E5800 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

7.7

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium G2020 

CPUBoss recommends the Intel Pentium G2020  based on its performance and single-core performance.

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VS

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
Newer Jan, 2013 vs Nov, 2010 Release date over 2 years later
Better PassMark (Single core) score 1,560 vs 1,299 More than 20% better PassMark (Single core) score
Slightly lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Slightly better PassMark score 2,780 vs 1,888 More than 45% better PassMark score
Slightly lower annual home energy cost 13.25 $/year vs 15.66 $/year More than 15% lower annual home energy cost
Slightly lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial 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
Significantly better overclocked clock speed (Air) 4.12 GHz vs 3.04 GHz More than 35% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.28 GHz vs 3.1 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G2020 vs E5800

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
Pentium E5800
134,800 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
E5800 
Clock speed 2.9 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
LGA 1155
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
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 2.72 pt/W 2.37 pt/W
Typical power consumption 44.69W 52.81W

details

Pentium G2020  vs
E5800 
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

overclocking

Overclock popularity 3 5
Overclocked clock speed 3.04 GHz 4.12 GHz
Overclocked clock speed (Water) 3.1 GHz 4.28 GHz
Overclocked clock speed (Air) 3.04 GHz 4.12 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

bus

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