Intel Xeon X3440 vs Intel Pentium III 1400S

Comparative analysis of Intel Xeon X3440 and Intel Pentium III 1400S processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: 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), PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon X3440

Intel Pentium III 1400S

Differences

Reasons to consider the Intel Xeon X3440

CPU is newer: launch date 7 year(s) 8 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 109% higher clock speed: 2.93 GHz vs 1.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
32x 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

Launch date	8 September 2009 vs January 2002
Number of cores	4 vs 1
Maximum frequency	2.93 GHz vs 1.4 GHz
Manufacturing process technology	45 nm vs 130 nm
L1 cache	256 KB vs 8 KB
L2 cache	1 MB vs 512 KB

Reasons to consider the Intel Pentium III 1400S

3x lower typical power consumption: 32.2 Watt vs 95 Watt

Thermal Design Power (TDP)	32.2 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Xeon X3440
CPU 2: Intel Pentium III 1400S

Name	Intel Xeon X3440	Intel Pentium III 1400S
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.062
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	54.918
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.33
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.597
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.562
PassMark - Single thread mark		278
PassMark - CPU mark		194

Compare specifications (specs)

	Intel Xeon X3440	Intel Pentium III 1400S
Essentials
Architecture codename	Lynnfield	Tualatin
Launch date	8 September 2009	January 2002
Launch price (MSRP)	$215
Place in performance rating	3059	3171
Processor Number	X3440
Status	Discontinued	Discontinued
Vertical segment	Server	Server
Series		Legacy Intel® Pentium® Processor
Performance
64 bit support
Base frequency	2.53 GHz	1.40 GHz
Bus Speed	2.5 GT/s DMI	133 MHz FSB
Die size	296 mm2	80 mm
L1 cache	256 KB	8 KB
L2 cache	1 MB	512 KB
L3 cache	8 MB
Manufacturing process technology	45 nm	130 nm
Maximum case temperature (TCase)	72.7 °C	69 °C
Maximum frequency	2.93 GHz	1.4 GHz
Number of cores	4	1
Number of threads	8
Transistor count	774 million	44 million
VID voltage range	0.65V - 1.4V	1.5V
Maximum core temperature		69°C
Memory
ECC memory support
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	LGA1156	PPGA370
Thermal Design Power (TDP)	95 Watt	32.2 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16, 2x8, 4x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)