Intel Atom E640 

Released September, 2010
  • 1 GHz
  • Single core

Benchmarks Real world tests of the Intel Atom E640

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom E640
308
Xeon E5620
14,086
Xeon E5430
5,850

GeekBench 3 (Single core) Data courtesy Primate Labs

Atom E640
232
Xeon E5620
1,898
Xeon E5430
1,447

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom E640
15.6 MB/s
Xeon E5620
1,280,000 MB/s
Xeon E5430
113,450 MB/s

Specifications Full list of technical specs

summary

Clock speed 1 GHz
Cores Single core

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE3
  5. Supplemental SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 3.6W
Performance per watt 3.03 pt/W
Typical power consumption 2.93W

bus

Architecture FSB
Clock speed 2,500 MHz

details

Threads 2 threads
L2 cache 0.5 MB
L2 cache per core 0.5 MB/core
Manufacture process 45 nm
Max CPUs 1
Clock multiplier 10
Voltage range 0.75 - 0.9V
Architecture x86

overclocking

Overclocked clock speed 1 GHz
Overclocked clock speed (Water) 1 GHz
Overclocked clock speed (Air) 1 GHz

integrated graphics

GPU GPU
Label Integrated
GPU clock speed 320 MHz

memory controller

Memory controller Built-in
Memory type
  1. DDR2-800
  2. DDR2
Channels Single Channel
Supports ECC No
Maximum bandwidth 6,400 MB/s
Maximum memory size 2,048 MB
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