Pentium 4 HT 640 vs Atom N450

Primary details

Comparing Atom N450 and Pentium 4 HT 640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3349	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	2.05	no data
Architecture codename	Pinetrail (2009−2011)	Prescott (2001−2005)
Release date	21 December 2009 (15 years ago)	February 2005 (19 years ago)
Launch price (MSRP)	$64	no data

Detailed specifications

Atom N450 and Pentium 4 HT 640 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	2
Base clock speed	1.66 GHz	no data
Boost clock speed	1.67 GHz	3.2 GHz
Bus rate	533 MHz	no data
L1 cache	56 KB (per core)	28 KB
L2 cache	512 KB (per core)	2 MB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	90 nm
Die size	66 mm2	109 mm2
Maximum core temperature	100 °C	no data
Number of transistors	123 million	169 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom N450 and Pentium 4 HT 640 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
Socket	FCBGA559	775
Power consumption (TDP)	5.5 Watt	84 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N450 and Pentium 4 HT 640. 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 N450 and Pentium 4 HT 640 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 N450 and Pentium 4 HT 640 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N450 and Pentium 4 HT 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR1, DDR2, DDR3
Maximum memory size	2 GB	no data
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Pros & cons summary

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Chip lithography	45 nm	90 nm
Power consumption (TDP)	5 Watt	84 Watt

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