Intel Atom E645CT vs Intel Atom E665C

Comparative analysis of Intel Atom E645CT and Intel Atom E665C processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Peripherals, Advanced Technologies, Virtualization.

 

Differences

Reasons to consider the Intel Atom E665C

  • Around 30% higher clock speed: 1.3 GHz vs 1 GHz
Maximum frequency 1.3 GHz vs 1 GHz

Compare specifications (specs)

Intel Atom E645CT Intel Atom E665C

Essentials

Architecture codename Stellarton Stellarton
Launch date November 2010 November 2010
Place in performance rating not rated not rated
Processor Number E645CT E665C
Series Legacy Intel Atom® Processors Legacy Intel Atom® Processors
Status Discontinued Discontinued
Vertical segment Embedded Embedded

Performance

Base frequency 1.00 GHz 1.30 GHz
Bus Speed 2.5 GT/s PCIE 2.5 GT/s PCIE
Die size 26 mm 26 mm
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 512 KB (per core) 512 KB (per core)
Manufacturing process technology 45 nm 45 nm
Maximum frequency 1 GHz 1.3 GHz
Number of cores 1 1
Number of threads 2 2
Transistor count 47 million 47 million

Memory

Max memory channels 1 1
Maximum memory size 2.93 GB 2.93 GB
Supported memory types DDR2 800 DDR2 800

Graphics

Graphics base frequency 320 MHz 400 MHz
Processor graphics Integrated Integrated

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm 37.5mm x 37.5mm
Sockets supported FCBGA1466 FCBGA1466
Thermal Design Power (TDP) 7 Watt 7 Watt

Peripherals

Max number of PCIe lanes 2 2
PCIe configurations x1, root complex only x1, root complex only

Advanced Technologies

Enhanced Intel SpeedStep® technology
Intel® Hyper-Threading technology
Intel® Turbo Boost technology

Virtualization

Intel® Virtualization Technology (VT-x)

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