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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 90 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 geekbench 2 (32-bit) score 3,804 vs 745 More than 5x better geekbench 2 (32-bit) score
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much better performance per watt 2.11 pt/W vs 0.99 pt/W Around 2.2x better performance per watt
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly lower typical power consumption 44.69W vs 68.25W Around 35% lower typical power consumption
Newer Jan, 2013 vs Jul, 2005 Release date over 7 years later
Significantly lower annual home energy cost 13.25 $/year vs 20.24 $/year Around 35% lower annual home energy cost
Significantly lower annual commercial energy cost 48.18 $/year vs 73.58 $/year Around 35% lower annual commercial energy cost
Better overclocked clock speed (Water) 3.1 GHz vs 2.93 GHz More than 5% better overclocked clock speed (Water)
Front view of Intel Pentium 4 515

Reasons to consider the
Intel Pentium 4 515

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Much better overclocked clock speed (Air) 3.92 GHz vs 3.03 GHz Around 30% better overclocked clock speed (Air)
Much 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 4 515

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 4 515
102,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Specifications Full list of technical specs

summary

Pentium G2020  vs
4 515 
Clock speed 2.9 GHz 2.93 GHz
Cores Dual core Single core
Socket type
LGA 1155
LGA 775

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 55W 84W
Annual home energy cost 13.25 $/year 20.24 $/year
Annual commercial energy cost 48.18 $/year 73.58 $/year
Performance per watt 2.11 pt/W 0.99 pt/W
Typical power consumption 44.69W 68.25W

details

Pentium G2020  vs
4 515 
Architecture x86-64 x86
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 1 1
Clock multiplier 29 22

overclocking

Overclocked clock speed 3.03 GHz 3.92 GHz
Overclocked clock speed (Water) 3.1 GHz 2.93 GHz
PassMark (Overclocked) 2,960.3 725.9
Overclocked clock speed (Air) 3.03 GHz 3.92 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 4 515
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