Intel Atom N455 vs Intel Atom N270

Comparative analysis of Intel Atom N455 and Intel Atom N270 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, 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 Atom N455

Intel Atom N270

Differences

Reasons to consider the Intel Atom N455

CPU is newer: launch date 2 year(s) 2 month(s) later
Around 4% higher clock speed: 1.66 GHz vs 1.6 GHz
Around 11% higher maximum core temperature: 100°C vs 90°C
Around 14% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 53% better performance in PassMark - Single thread mark: 266 vs 174
Around 42% better performance in PassMark - CPU mark: 193 vs 136

Specifications (specs)
Launch date	1 May 2010 vs 1 March 2008
Maximum frequency	1.66 GHz vs 1.6 GHz
Maximum core temperature	100°C vs 90°C
L1 cache	64 KB (per core) vs 56 KB
Benchmarks
PassMark - Single thread mark	266 vs 174
PassMark - CPU mark	193 vs 136

Reasons to consider the Intel Atom N270

2.3x lower typical power consumption: 2.5 Watt vs 6.5 Watt

Thermal Design Power (TDP)	2.5 Watt vs 6.5 Watt

Compare benchmarks

CPU 1: Intel Atom N455
CPU 2: Intel Atom N270

PassMark - Single thread mark

CPU 1

CPU 2

266

174

PassMark - CPU mark

CPU 1

CPU 2

193

136

Name	Intel Atom N455	Intel Atom N270
PassMark - Single thread mark	266	174
PassMark - CPU mark	193	136
Geekbench 4 - Single Core	62
Geekbench 4 - Multi-Core	94

Compare specifications (specs)

	Intel Atom N455	Intel Atom N270
Essentials
Architecture codename	Pineview	Diamondville
Launch date	1 May 2010	1 March 2008
Launch price (MSRP)	$64	$44
Place in performance rating	3301	3302
Processor Number	N455	N270
Series	Legacy Intel Atom® Processors	Legacy Intel Atom® Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.66 GHz	1.60 GHz
Bus Speed	2.5 GT/s DMI	533 MHz FSB
Die size	66 mm2	26 mm2
Front-side bus (FSB)	533 MHz	533 MHz
L1 cache	64 KB (per core)	56 KB
L2 cache	512 KB	512 KB
Manufacturing process technology	45 nm	45 nm
Maximum core temperature	100°C	90°C
Maximum frequency	1.66 GHz	1.6 GHz
Number of cores	1	1
Number of threads	2	2
Transistor count	123 million	47 million
VID voltage range		0.9V-1.1625V
Memory
Max memory channels	1
Maximum memory size	2 GB
Supported memory types	DDR2/3
Graphics
Graphics base frequency	200 MHz
Processor graphics	Integrated
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	22mm x 22mm	22mm x 22mm
Sockets supported	FCBGA559	PBGA437
Thermal Design Power (TDP)	6.5 Watt	2.5 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
FSB parity
Idle States
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)