Intel Core i7 640UM 

Released January, 2010
  • 1.2 GHz
  • Dual core

Benchmarks Real world tests of the Intel Core i7 640UM

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 640UM
2,432

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 640UM
1,421

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 640UM
1,010,000 MB/s
Core i5 3210M
2,090,000 MB/s
Core i5 2520M
2,080,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 640UM
2,241

GeekBench

Core i7 640UM
3,042

PassMark Data courtesy Passmark

Core i7 640UM
1,723

PassMark (Single Core)

Core i7 640UM
855

Specifications Full list of technical specs

summary

Clock speed 1.2 GHz
Turbo clock speed 2.27 GHz
Cores Dual core
Socket type BGA 1288
Is unlocked No

features

Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. AES
  3. SSE
  4. SSE2
  5. SSE4.1
  6. SSE3
  7. Supplemental SSE3
  8. SSE4.2
  9. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 18W
Annual home energy cost 4.34 $/year
Performance per watt 22.97 pt/W
Typical power consumption 14.63W

bus

Architecture DMI
Transfer rate 2,500 MT/s

details

Architecture x86-64
Threads 4 threads
L2 cache 1 MB
L2 cache per core 0.5 MB/core
L3 cache 4 MB
L3 cache per core 2 MB/core
Manufacture process 32 nm
Transistor count 382,000,000
Max CPUs 1
Clock multiplier 9

overclocking

Overclocked clock speed 1.98 GHz
Overclocked clock speed (Water) 1.2 GHz
Overclocked clock speed (Air) 1.98 GHz

integrated graphics

GPU GPU
Label Intel® HD Graphics
Number of displays supported 2
GPU clock speed 166 MHz
Turbo clock speed 500 MHz

memory controller

Memory controller Built-in
Memory type
  1. DDR3-800
  2. DDR3
Channels Dual Channel
Supports ECC No
Maximum bandwidth 12,800 MB/s
Maximum memory size 8,192 MB
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