Intel Pentium 4 1.8A vs Intel Pentium III 1200

Comparative analysis of Intel Pentium 4 1.8A and Intel Pentium III 1200 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Pentium 4 1.8A

Intel Pentium III 1200

Differences

Reasons to consider the Intel Pentium 4 1.8A

Around 50% higher clock speed: 1.8 GHz vs 1.2 GHz

Maximum frequency	1.8 GHz vs 1.2 GHz

Reasons to consider the Intel Pentium III 1200

A newer manufacturing process allows for a more powerful, yet cooler running processor: 130 nm vs 180 nm
2.2x lower typical power consumption: 29.9 Watt vs 67 Watt

Manufacturing process technology	130 nm vs 180 nm
Thermal Design Power (TDP)	29.9 Watt vs 67 Watt

Compare benchmarks

CPU 1: Intel Pentium 4 1.8A
CPU 2: Intel Pentium III 1200

Name	Intel Pentium 4 1.8A	Intel Pentium III 1200
PassMark - Single thread mark		0
PassMark - CPU mark		278

Compare specifications (specs)

	Intel Pentium 4 1.8A	Intel Pentium III 1200
Essentials
Architecture codename	Willamette	Tualatin
Launch date	July 2001	July 2001
Place in performance rating	not rated	3354
Vertical segment	Desktop	Desktop
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
Die size	217 mm	80 mm2
L1 cache	8 KB	8 KB
L2 cache	256 KB	256 KB
Manufacturing process technology	180 nm	130 nm
Maximum case temperature (TCase)	78 °C	69 °C
Maximum frequency	1.8 GHz	1.2 GHz
Number of cores	1	1
Transistor count	42 million	44 million
64 bit support
Base frequency		1.20 GHz
Bus Speed		133 MHz FSB
Maximum core temperature		69°C
VID voltage range		1.5V
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	423	PPGA370
Thermal Design Power (TDP)	67 Watt	29.9 Watt
Low Halogen Options Available
Advanced Technologies
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)