Mobile Pentium II 266 vs Atom N455

Primary details

Comparing Atom N455 and Mobile Pentium II 266 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3352	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	Intel Mobile Pentium II
Power efficiency	1.62	no data
Architecture codename	Pinetrail (2009−2011)	P6
Release date	1 June 2010 (14 years ago)	no data
Launch price (MSRP)	$64	no data

Detailed specifications

Atom N455 and Mobile Pentium II 266 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	1 (Single-Core)	1 (Single-Core)
Threads	2	1
Base clock speed	1.66 GHz	no data
Boost clock speed	1.67 GHz	0.27 GHz
Bus type	no data	FSB
Bus rate	533 MHz	no data
Multiplier	no data	4
L1 cache	64 KB (per core)	no data
L2 cache	512K (per core)	512 KB
L3 cache	0 KB	no data
Chip lithography	45 nm	250 nm
Die size	66 mm2	131 mm2
Maximum core temperature	100 °C	no data
Number of transistors	123 million	8 Million
64 bit support	+	-
Windows 11 compatibility	-	no data

Compatibility

Information on Atom N455 and Mobile Pentium II 266 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	no data
Socket	FCBGA559	no data
Power consumption (TDP)	6.5 Watt	10.3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N455 and Mobile Pentium II 266. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data

Security technologies

Atom N455 and Mobile Pentium II 266 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom N455 and Mobile Pentium II 266 are enumerated here.

VT-d	-	no data
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N455 and Mobile Pentium II 266. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	2 GB	64 GB
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA 3150

no data

Pros & cons summary

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Threads	2	1
Chip lithography	45 nm	250 nm
Power consumption (TDP)	6 Watt	10 Watt

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