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Differences What are the advantages of each

Front view of Intel Core i5 2520M

Reasons to consider the
Intel Core i5 2520M

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of AMD Phenom II P840

Reasons to consider the
AMD Phenom II P840

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CPUBoss is not aware of any important advantages of the AMD Phenom II P840 vs the Intel Core i5 2520M.

Benchmarks Real world tests of Core i5 2520M vs Phenom II P840

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 i5 2520M
2,080,000 MB/s
Phenom II P840
76,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 2520M  vs
Phenom II P840 
Clock speed 2.5 GHz 1.9 GHz
Cores Dual core Tri core
Socket type
rPGA 988B
S1
Is unlocked No No

features

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

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Performance per watt 20.44 pt/W 2.3 pt/W
Typical power consumption 28.44W 28.44W

details

Core i5 2520M  vs
Phenom II P840 
Architecture x86-64 x86-64
Threads 4 3
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.67 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.05 GHz 1.9 GHz
Overclocked clock speed (Water) 2.5 GHz 1.9 GHz
Overclocked clock speed (Air) 3.05 GHz 1.9 GHz

integrated graphics

GPU GPU None
Label HD Graphics 3000 N/A
Number of displays supported 2 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,300 MHz N/A
Intel Core i5 2520M
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AMD Phenom II P840
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