Intel Xeon W3503 vs Intel Pentium III 1400S

Comparative analysis of Intel Xeon W3503 and Intel Pentium III 1400S processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Virtualization, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon W3503

Intel Pentium III 1400S

Differences

Reasons to consider the Intel Xeon W3503

CPU is newer: launch date 7 year(s) 2 month(s) later
1 more cores, run more applications at once: 2 vs 1
Around 71% higher clock speed: 2.4 GHz vs 1.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
16x more L1 cache, more data can be stored in the L1 cache for quick access later
3.7x better performance in PassMark - Single thread mark: 1025 vs 278
5.8x better performance in PassMark - CPU mark: 1118 vs 194

Specifications (specs)
Launch date	March 2009 vs January 2002
Number of cores	2 vs 1
Maximum frequency	2.4 GHz vs 1.4 GHz
Manufacturing process technology	45 nm vs 130 nm
L1 cache	64 KB (per core) vs 8 KB
Benchmarks
PassMark - Single thread mark	1025 vs 278
PassMark - CPU mark	1118 vs 194

Reasons to consider the Intel Pentium III 1400S

4.1x lower typical power consumption: 32.2 Watt vs 130 Watt

Thermal Design Power (TDP)	32.2 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Xeon W3503
CPU 2: Intel Pentium III 1400S

PassMark - Single thread mark

CPU 1

CPU 2

1025

278

PassMark - CPU mark

CPU 1

CPU 2

1118

194

Name	Intel Xeon W3503	Intel Pentium III 1400S
PassMark - Single thread mark	1025	278
PassMark - CPU mark	1118	194
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.27
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	24.752
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.098
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.561
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.753

Compare specifications (specs)

	Intel Xeon W3503	Intel Pentium III 1400S
Essentials
Architecture codename	Bloomfield	Tualatin
Launch date	March 2009	January 2002
Launch price (MSRP)	$65
Place in performance rating	3152	3267
Price now	$16.22
Value for money (0-100)	31.88
Vertical segment	Server	Server
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	263 mm	80 mm
L1 cache	64 KB (per core)	8 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	4096 KB (shared)
Manufacturing process technology	45 nm	130 nm
Maximum frequency	2.4 GHz	1.4 GHz
Number of cores	2	1
Transistor count	731 million	44 million
Base frequency		1.40 GHz
Bus Speed		133 MHz FSB
Maximum case temperature (TCase)		69 °C
Maximum core temperature		69°C
VID voltage range		1.5V
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	1366	PPGA370
Thermal Design Power (TDP)	130 Watt	32.2 Watt
Low Halogen Options Available
Security & Reliability
Intel® Trusted Execution technology (TXT)
Virtualization
Intel® Virtualization Technology (VT-x)
Advanced Technologies
Intel® Turbo Boost technology