Intel Celeron M 743 vs Intel Core 2 Duo T5800

Comparative analysis of Intel Celeron M 743 and Intel Core 2 Duo T5800 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Celeron M 743

Intel Core 2 Duo T5800

Differences

Reasons to consider the Intel Celeron M 743

CPU is newer: launch date 11 month(s) later
Around 18% higher maximum core temperature: 100°C vs 85°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
3.5x lower typical power consumption: 10 Watt vs 35 Watt

Launch date	1 September 2009 vs 1 October 2008
Maximum core temperature	100°C vs 85°C
Manufacturing process technology	45 nm vs 65 nm
Thermal Design Power (TDP)	10 Watt vs 35 Watt

Reasons to consider the Intel Core 2 Duo T5800

1 more cores, run more applications at once: 2 vs 1
1 more threads: 2 vs 1
Around 54% higher clock speed: 2 GHz vs 1.3 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 46% better performance in PassMark - Single thread mark: 725 vs 496
2.3x better performance in PassMark - CPU mark: 628 vs 275

Specifications (specs)
Number of cores	2 vs 1
Number of threads	2 vs 1
Maximum frequency	2 GHz vs 1.3 GHz
L2 cache	2048 KB vs 1 MB
Benchmarks
PassMark - Single thread mark	725 vs 496
PassMark - CPU mark	628 vs 275

Compare benchmarks

CPU 1: Intel Celeron M 743
CPU 2: Intel Core 2 Duo T5800

PassMark - Single thread mark

CPU 1

CPU 2

496

725

PassMark - CPU mark

CPU 1

CPU 2

275

628

Name	Intel Celeron M 743	Intel Core 2 Duo T5800
PassMark - Single thread mark	496	725
PassMark - CPU mark	275	628
Geekbench 4 - Single Core		238
Geekbench 4 - Multi-Core		410

Compare specifications (specs)

	Intel Celeron M 743	Intel Core 2 Duo T5800
Essentials
Architecture codename	Penryn	Merom
Launch date	1 September 2009	1 October 2008
Launch price (MSRP)	$107
Place in performance rating	3003	3006
Processor Number	743	T5800
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.30 GHz	2.00 GHz
Bus Speed	800 MHz FSB	800 MHz FSB
Die size	107 mm2	143 mm2
Front-side bus (FSB)	800 MHz	800 MHz
L1 cache	64 KB
L2 cache	1 MB	2048 KB
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	100°C	85°C
Maximum frequency	1.3 GHz	2 GHz
Number of cores	1	2
Number of threads	1	2
Transistor count	410 million	291 million
VID voltage range		1.075V-1.175V
Compatibility
Low Halogen Options Available
Package Size	22mm x 22mm	35mm x 35mm
Sockets supported	BGA956	PPGA478
Thermal Design Power (TDP)	10 Watt	35 Watt
Security & Reliability
Intel® Trusted Execution technology (TXT)
Execute Disable Bit (EDB)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel® Turbo Boost technology
FSB parity
Intel 64
Intel® Active Management technology (AMT)
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Virtualization
Intel® Virtualization Technology (VT-x)