Intel Celeron M 900 vs Intel Atom N280

Comparative analysis of Intel Celeron M 900 and Intel Atom N280 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.

Intel Celeron M 900

Intel Atom N280

Differences

Reasons to consider the Intel Celeron M 900

CPU is newer: launch date 2 month(s) later
Around 33% higher clock speed: 2.2 GHz vs 1.66 GHz
Around 17% higher maximum core temperature: 105°C vs 90°C
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 12% better performance in PassMark - Single thread mark: 263 vs 234
Around 30% better performance in PassMark - CPU mark: 204 vs 157

Specifications (specs)
Launch date	1 April 2009 vs 1 February 2009
Maximum frequency	2.2 GHz vs 1.66 GHz
Maximum core temperature	105°C vs 90°C
L2 cache	1024 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	263 vs 234
PassMark - CPU mark	204 vs 157

Reasons to consider the Intel Atom N280

1 more threads: 2 vs 1
11.7x lower typical power consumption: 2.5 Watt vs 35 Watt

Number of threads	2 vs 1
Thermal Design Power (TDP)	2.5 Watt vs 35 Watt

Compare benchmarks

CPU 1: Intel Celeron M 900
CPU 2: Intel Atom N280

PassMark - Single thread mark

CPU 1

CPU 2

263

234

PassMark - CPU mark

CPU 1

CPU 2

204

157

Name	Intel Celeron M 900	Intel Atom N280
PassMark - Single thread mark	263	234
PassMark - CPU mark	204	157

Compare specifications (specs)

	Intel Celeron M 900	Intel Atom N280
Essentials
Architecture codename	Penryn	Diamondville
Launch date	1 April 2009	1 February 2009
Launch price (MSRP)	$70
Place in performance rating	3261	3272
Processor Number	900	N280
Series	Legacy Intel® Celeron® Processor	Legacy Intel Atom® Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.20 GHz	1.66 GHz
Bus Speed	800 MHz FSB	667 MHz FSB
Die size	107 mm2	26 mm2
Front-side bus (FSB)	800 MHz	667 MHz
L2 cache	1024 KB	512 KB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	105°C	90°C
Maximum frequency	2.2 GHz	1.66 GHz
Number of cores	1	1
Number of threads	1	2
Transistor count	410 million	47 million
L1 cache		56 KB
VID voltage range		0.9V-1.1625V
Compatibility
Low Halogen Options Available
Package Size	35mm x 35mm	22mm x 22mm
Sockets supported	PGA478	PBGA437
Thermal Design Power (TDP)	35 Watt	2.5 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
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Instruction set extensions		Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel® Demand Based Switching
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)