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Intel Core i7 2640M

Front view of Intel Core i7 2640M
Front view of Intel Core i5 2520M

Intel Core i5 2520M

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Differences What are the advantages of each

Front view of Intel Core i7 2640M

Reasons to consider the
Intel Core i7 2640M

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CPUBoss is not aware of any important advantages of the Core i7 2640M vs the Core i5 2520M.
Front view of Intel Core i5 2520M

Reasons to consider the
Intel Core i5 2520M

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CPUBoss is not aware of any important advantages of the Core i5 2520M vs the Core i7 2640M.

Benchmarks Real world tests of Core i7 2640M vs i5 2520M

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Core i7 2640M
2,478
Core i5 2520M
2,192

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 2640M
5,393
Core i5 2520M
4,982

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 2640M
2,635
Core i5 2520M
2,424

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 2640M
2,290,000 MB/s
Core i5 2520M
2,080,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 2640M
5,228
Core i5 2520M
4,764

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 2640M
5,967
Core i5 2520M
5,321

PassMark Data courtesy Passmark

Core i7 2640M
3,929
Core i5 2520M
3,567

PassMark (Single Core)

Core i7 2640M
1,597
Core i5 2520M
1,493

Specifications Full list of technical specs

summary

 Core i7 2640M  vs
i5 2520M 
Clock speed 2.8 GHz 2.5 GHz
Turbo clock speed 3.5 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
BGA 1023
rPGA 988B
Is unlocked No No

features
Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
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 20.53 pt/W 20.44 pt/W
Typical power consumption 28.44W 28.44W

bus
Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

 Core i7 2640M  vs
i5 2520M 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 28 25
Operating temperature Unknown - 100°C Unknown - 100°C

overclocking
Overclocked clock speed 3.33 GHz 3.05 GHz
Overclocked clock speed (Water) 2.8 GHz 2.5 GHz
Overclocked clock speed (Air) 3.33 GHz 3.05 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 3000 HD Graphics 3000
Number of displays supported 2 2
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,300 MHz 1,300 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 16,384 MB
Intel Core i7 2640M
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Intel Core i5 2520M
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