Intel Core 2 Duo T9550 vs Intel Pentium 4 HT 640

Comparative analysis of Intel Core 2 Duo T9550 and Intel Pentium 4 HT 640 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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 Core 2 Duo T9550

Intel Pentium 4 HT 640

Differences

Reasons to consider the Intel Core 2 Duo T9550

CPU is newer: launch date 3 year(s) 11 month(s) later
1 more cores, run more applications at once: 2 vs 1
Around 58% higher maximum core temperature: 105°C vs 66.6°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
4.6x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
2.4x lower typical power consumption: 35 Watt vs 84 Watt

Launch date	1 January 2009 vs February 2005
Number of cores	2 vs 1
Maximum core temperature	105°C vs 66.6°C
Manufacturing process technology	45 nm vs 90 nm
L1 cache	128 KB vs 28 KB
L2 cache	6144 KB vs 2048 KB
Thermal Design Power (TDP)	35 Watt vs 84 Watt

Reasons to consider the Intel Pentium 4 HT 640

Around 20% higher clock speed: 3.2 GHz vs 2.66 GHz

Maximum frequency	3.2 GHz vs 2.66 GHz

Compare benchmarks

CPU 1: Intel Core 2 Duo T9550
CPU 2: Intel Pentium 4 HT 640

Name	Intel Core 2 Duo T9550	Intel Pentium 4 HT 640
PassMark - Single thread mark	1072
PassMark - CPU mark	989
Geekbench 4 - Single Core	378
Geekbench 4 - Multi-Core	645
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.282
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	21.914
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.081
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.515
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.038

Compare specifications (specs)

	Intel Core 2 Duo T9550	Intel Pentium 4 HT 640
Essentials
Architecture codename	Penryn	Prescott
Launch date	1 January 2009	February 2005
Launch price (MSRP)	$316
Place in performance rating	3139	not rated
Price now	$298.95
Processor Number	T9550	640
Series	Legacy Intel® Core™ Processors	Legacy Intel® Pentium® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	1.78
Vertical segment	Mobile	Desktop
Performance
64 bit support
Base frequency	2.66 GHz	3.20 GHz
Bus Speed	1066 MHz FSB	800 MHz FSB
Die size	107 mm2	135 mm2
Front-side bus (FSB)	1066 MHz
L1 cache	128 KB	28 KB
L2 cache	6144 KB	2048 KB
Manufacturing process technology	45 nm	90 nm
Maximum core temperature	105°C	66.6°C
Maximum frequency	2.66 GHz	3.2 GHz
Number of cores	2	1
Number of threads	2
Transistor count	410 million	169 million
VID voltage range	1.050V-1.212V	1.200V-1.400V
Compatibility
Low Halogen Options Available
Package Size	35mm x 35mm	37.5mm x 37.5mm
Sockets supported	BGA479, PGA478	PLGA775
Thermal Design Power (TDP)	35 Watt	84 Watt
Max number of CPUs in a configuration		1
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Idle States
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Memory
Supported memory types		DDR1, DDR2, DDR3