Intel Atom E625C vs Intel Atom E645C

Comparative analysis of Intel Atom E625C and Intel Atom E645C processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Graphics, Peripherals, Virtualization.

Intel Atom E625C

Intel Atom E645C

Differences

Reasons to consider the Intel Atom E625C

2.3x lower typical power consumption: 3 Watt vs 7 Watt

Thermal Design Power (TDP)	3 Watt vs 7 Watt

Reasons to consider the Intel Atom E645C

Around 67% higher clock speed: 1 GHz vs 0.6 GHz

Maximum frequency	1 GHz vs 0.6 GHz

Compare specifications (specs)

	Intel Atom E625C	Intel Atom E645C
Essentials
Architecture codename	Stellarton	Stellarton
Launch date	November 2010	November 2010
Place in performance rating	not rated	not rated
Vertical segment	Laptop	Embedded
Processor Number		E645C
Series		Legacy Intel Atom® Processors
Status		Discontinued
Performance
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	0.6 GHz	1 GHz
Number of cores	1	1
Transistor count	47 million	47 million
Base frequency		1.00 GHz
Bus Speed		2.5 GT/s PCIE
Number of threads		2
Memory
Supported memory types	DDR2	DDR2 800
Max memory channels		1
Maximum memory size		2.93 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA1466	FCBGA1466
Thermal Design Power (TDP)	3 Watt	7 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Graphics
Graphics base frequency		320 MHz
Processor graphics		Integrated
Peripherals
Max number of PCIe lanes		2
PCIe configurations		x1, root complex only
Virtualization
Intel® Virtualization Technology (VT-x)