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Intel Core i7 640M

Front view of Intel Core i7 640M
Front view of Intel Core i3 330M

Intel Core i3 330M

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Differences What are the advantages of each

Front view of Intel Core i7 640M

Reasons to consider the
Intel Core i7 640M

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i3 330M

Reasons to consider the
Intel Core i3 330M

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CPUBoss is not aware of any important advantages of the Core i3 330M vs the Core i7 640M.

Benchmarks Real world tests of Core i7 640M vs i3 330M

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 640M
4,385
Core i3 330M
2,832

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 640M
2,187
Core i3 330M
1,300

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 640M
1,570,000 MB/s
Core i3 330M
89,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 640M
4,158
Core i3 330M
2,687

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 640M
4,694
Core i3 330M
3,110

GeekBench

Core i7 640M
6,359
Core i3 330M
3,910

PassMark Data courtesy Passmark

Core i7 640M
2,865
Core i3 330M
1,793

PassMark (Single Core)

Core i7 640M
1,307
Core i3 330M
753

Specifications Full list of technical specs

summary

 Core i7 640M  vs
i3 330M 
Clock speed 2.8 GHz 2.13 GHz
Cores Dual core Dual core
Socket type
BGA 1288
rPGA 988A
Is unlocked No No

features
Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
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 18.3 pt/W 2.8 pt/W
Typical power consumption 28.44W 28.44W

bus
Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s

details

 Core i7 640M  vs
i3 330M 
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
Transistor count 382,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 21 16

overclocking
Overclocked clock speed 3.37 GHz 2.34 GHz
Overclocked clock speed (Water) 2.8 GHz 2.13 GHz
Overclocked clock speed (Air) 3.37 GHz 2.34 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 2 2
GPU clock speed 500 MHz 500 MHz
Turbo clock speed 766 MHz 667 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 17,066.66 MB/s 17,066.66 MB/s
Maximum memory size 8,192 MB 8,192 MB
Intel Core i7 640M
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Intel Core i3 330M
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