Intel Pentium 4 1.6 vs Intel Pentium 4 1.8A

Comparative analysis of Intel Pentium 4 1.6 and Intel Pentium 4 1.8A processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization.

Intel Pentium 4 1.6

Intel Pentium 4 1.8A

Differences

Reasons to consider the Intel Pentium 4 1.6

A newer manufacturing process allows for a more powerful, yet cooler running processor: 130 nm vs 180 nm
Around 76% lower typical power consumption: 38 Watt vs 67 Watt

Manufacturing process technology	130 nm vs 180 nm
Thermal Design Power (TDP)	38 Watt vs 67 Watt

Reasons to consider the Intel Pentium 4 1.8A

Around 13% higher clock speed: 1.8 GHz vs 1.6 GHz

Maximum frequency	1.8 GHz vs 1.6 GHz

Compare specifications (specs)

	Intel Pentium 4 1.6	Intel Pentium 4 1.8A
Essentials
Architecture codename	Northwood	Willamette
Launch date	July 2001	July 2001
Place in performance rating	not rated	not rated
Series	Legacy Intel® Pentium® Processor
Status	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	1.60 GHz
Bus Speed	400 MHz FSB
Die size	131 mm2	217 mm
L1 cache	8 KB	8 KB
L2 cache	256 KB	256 KB
Manufacturing process technology	130 nm	180 nm
Maximum case temperature (TCase)	75 °C	78 °C
Maximum core temperature	66°C
Maximum frequency	1.6 GHz	1.8 GHz
Number of cores	1	1
Transistor count	55 million	42 million
VID voltage range	1.475V
Memory
Supported memory types	DDR1, DDR2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	PPGA478	423
Thermal Design Power (TDP)	38 Watt	67 Watt
Advanced Technologies
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)