Atom N270 vs Pentium D 945

Primary details

Comparing Pentium D 945 and Atom N270 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Atom
Architecture codename	Presler (2005−2007)	DiamondVille (2008−2009)
Release date	23 July 2006 (18 years ago)	2 April 2008 (16 years ago)
Launch price (MSRP)	$163	$44

Detailed specifications

Pentium D 945 and Atom N270 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	2 (Dual-core)	1 (Single-Core)
Threads	2	2
Base clock speed	3.4 GHz	1.6 GHz
Boost clock speed	3.4 GHz	0.1 GHz
Bus type	no data	FSB
Bus rate	no data	533.33 MT/s
Multiplier	no data	12
L1 cache	16 KB (per core)	56 KB
L2 cache	2 MB (per die)	512 KB
L3 cache	0 KB	0 KB
Chip lithography	65 nm	45 nm
Die size	2x 81 mm2	25.9638 mm2
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	376 million	47 Million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	1.2V-1.3375V	0.9V-1.1625V

Compatibility

Information on Pentium D 945 and Atom N270 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	1 (Uniprocessor)
Socket	LGA775,PLGA775	PBGA437
Power consumption (TDP)	95 Watt	2.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 945 and Atom N270. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	-
Thermal Monitoring	-	+
Demand Based Switching	-	-
PAE	32 Bit	no data
FSB parity	-	-

Security technologies

Pentium D 945 and Atom N270 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 945 and Atom N270 are enumerated here.

VT-d	-	-
VT-x	-	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 945 and Atom N270. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	no data
Maximum memory size	no data	8 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

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Pros & cons summary

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Recency	23 July 2006	2 April 2008
Physical cores	2	1
Chip lithography	65 nm	45 nm
Power consumption (TDP)	95 Watt	2 Watt

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