i7-660LM vs Atom N450

Primary details

Comparing Atom N450 and Core i7-660LM 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	Laptop
Series	Intel Atom	Intel Core i7
Power efficiency	2.05	no data
Architecture codename	Pinetrail (2009−2011)	Arrandale (2010−2011)
Release date	21 December 2009 (15 years ago)	13 September 2010 (14 years ago)
Launch price (MSRP)	$64	$346

Detailed specifications

Atom N450 and Core i7-660LM 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)	2 (Dual-core)
Threads	2	4
Base clock speed	1.66 GHz	2.26 GHz
Boost clock speed	1.67 GHz	3.06 GHz
Bus type	no data	DMI 1.0
Bus rate	533 MHz	1 × 2.5 GT/s
Multiplier	no data	17
L1 cache	56 KB (per core)	128 KB
L2 cache	512 KB (per core)	512 KB
L3 cache	0 KB	4 MB
Chip lithography	45 nm	32 nm
Die size	66 mm2	81+177 mm2
Maximum core temperature	100 °C	105 °C
Number of transistors	123 million	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom N450 and Core i7-660LM 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	FCBGA559	BGA1288
Power consumption (TDP)	5.5 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N450 and Core i7-660LM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
FMA	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	+
Hyper-Threading Technology	+	+
Idle States	no data	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	-	no data
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Atom N450 and Core i7-660LM technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom N450 and Core i7-660LM are enumerated here.

VT-d	-	+
VT-x	-	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N450 and Core i7-660LM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR3-800, DDR3-1066
Maximum memory size	2 GB	8 GB
Max memory channels	1	2
Maximum memory bandwidth	no data	17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel HD Graphics for Previous Generation Intel Processors
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	566 MHz

Graphics interfaces

Available interfaces and connections of Atom N450 and Core i7-660LM integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Atom N450 and Core i7-660LM.

PCIe version	no data	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Recency	21 December 2009	13 September 2010
Physical cores	1	2
Threads	2	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	5 Watt	25 Watt

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