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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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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 44.69W vs 77.19W More than 40% lower typical power consumption
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 Aug, 2008 Release date over 4 years later
Front view of Intel Core2 Quad Q9650

Reasons to consider the
Intel Core2 Quad Q9650

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Much more l2 cache 12 MB vs 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Air) 4.15 GHz vs 3.03 GHz More than 35% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Higher clock speed 3 GHz vs 2.9 GHz Around 5% higher clock speed
Much better overclocked clock speed (Water) 4.25 GHz vs 3.1 GHz More than 35% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium G2020 vs Core2 Quad Q9650

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Pentium G2020
81.01 fps
Core2 Quad Q9650
33.68 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Pentium G2020
0.48 fps
Core2 Quad Q9650
0.18 fps

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
Core2 Quad Q9650
128,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G2020  vs
Core2 Quad Q9650 
Clock speed 2.9 GHz 3 GHz
Cores Dual core Quad core
Socket type
LGA 1155
LGA 775

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
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 1.47 pt/W
Typical power consumption 44.69W 77.19W

details

Pentium G2020  vs
Core2 Quad Q9650 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 12 MB
L2 cache per core 0.5 MB/core 3 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1
Clock multiplier 29 9

overclocking

Overclocked clock speed 3.03 GHz 4.15 GHz
Overclocked clock speed (Water) 3.1 GHz 4.25 GHz
PassMark (Overclocked) 2,960.3 1,473.2
Overclocked clock speed (Air) 3.03 GHz 4.15 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 Core2 Quad Q9650
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