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Differences What are the advantages of each

Front view of Intel Core i3 540

Reasons to consider the
Intel Core i3 540

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Much better geekbench 2 (32-bit) score 3,934 vs 1,958 More than 2x better geekbench 2 (32-bit) score
Significantly higher clock speed 3.06 GHz vs 2.3 GHz Around 35% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.47 GHz vs 2.3 GHz Around 95% better overclocked clock speed (Air)
Significantly better geekbench 3 single core score 1,947 vs 1,156 Around 70% better geekbench 3 single core score
Better geekbench 3 Multi-Core score 4,078 vs 2,167 Around 90% better geekbench 3 Multi-Core score
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Water) 3.07 GHz vs 2.3 GHz Around 35% better overclocked clock speed (Water)
Front view of AMD Turion II P520

Reasons to consider the
AMD Turion II P520

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Much lower typical power consumption 20.31W vs 94.67W 4.7x lower typical power consumption
Much lower annual home energy cost 6.02 $/year vs 35.75 $/year 5.9x lower annual home energy cost
Better performance per watt 3.53 pt/W vs 1.24 pt/W More than 2.8x better performance per watt
Much lower annual commercial energy cost 21.9 $/year vs 91.1 $/year 4.2x lower annual commercial energy cost
Newer May, 2010 vs Jan, 2010 Release date 4 months later

Benchmarks Real world tests of Core i3 540 vs Turion II P520

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

Core i3 540
123,300 MB/s
Turion II P520
90,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 540  vs
Turion II P520 
Clock speed 3.06 GHz 2.3 GHz
Cores Dual core Dual core
Socket type
LGA 1156
S1
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 73W 25W
Annual home energy cost 35.75 $/year 6.02 $/year
Annual commercial energy cost 91.1 $/year 21.9 $/year
Performance per watt 1.24 pt/W 3.53 pt/W
Typical power consumption 94.67W 20.31W

details

Core i3 540  vs
Turion II P520 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.47 GHz 2.3 GHz
Overclocked clock speed (Water) 3.07 GHz 2.3 GHz
Overclocked clock speed (Air) 4.47 GHz 2.3 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 733 MHz N/A
Intel Core i3 540
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AMD Turion II P520
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