AMD Opteron 142 vs Intel Pentium III 1266S

Comparative analysis of AMD Opteron 142 and Intel Pentium III 1266S 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.

AMD Opteron 142

Intel Pentium III 1266S

Differences

Reasons to consider the AMD Opteron 142

Around 26% higher clock speed: 1.6 GHz vs 1.27 GHz
16x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 39% better performance in PassMark - CPU mark: 428 vs 309

Specifications (specs)
Maximum frequency	1.6 GHz vs 1.27 GHz
L1 cache	128 KB vs 8 KB
L2 cache	1024 KB vs 512 KB
Benchmarks
PassMark - CPU mark	428 vs 309

Reasons to consider the Intel Pentium III 1266S

2.8x lower typical power consumption: 30.4 Watt vs 85 Watt

Thermal Design Power (TDP)	30.4 Watt vs 85 Watt

Compare benchmarks

CPU 1: AMD Opteron 142
CPU 2: Intel Pentium III 1266S

PassMark - CPU mark

CPU 1

CPU 2

428

309

Name	AMD Opteron 142	Intel Pentium III 1266S
PassMark - Single thread mark	0	0
PassMark - CPU mark	428	309

Compare specifications (specs)

	AMD Opteron 142	Intel Pentium III 1266S
Essentials
Architecture codename	SledgeHammer	Tualatin
Launch date	June 2003	Q4'01
Place in performance rating	3345	3355
Vertical segment	Server	Server
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	193 mm	80 mm
L1 cache	128 KB	8 KB
L2 cache	1024 KB	512 KB
Manufacturing process technology	130 nm	130 nm
Maximum frequency	1.6 GHz	1.27 GHz
Number of cores	1	1
Transistor count	106 million	44 million
Base frequency		1.26 GHz
Bus Speed		133 MHz FSB
Maximum case temperature (TCase)		69 °C
Maximum core temperature		69°C
VID voltage range		1.5V
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	940	PPGA370
Thermal Design Power (TDP)	85 Watt	30.4 Watt
Low Halogen Options Available
Advanced Technologies
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)