Core i7-660LM vs Core i3-390M

Primary details

Comparing Core i3-390M and Core i7-660LM processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2484	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i3	Intel Core i7
Architecture codename	Arrandale (2010−2011)	Arrandale (2010−2011)
Release date	9 January 2011 (13 years ago)	26 September 2010 (13 years ago)
Launch price (MSRP)	$39	$346
Current price	$136 (3.5x MSRP)	no data

Detailed specifications

Core i3-390M 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	2 (Dual-core)	2 (Dual-core)
Threads	4	4
Base clock speed	2.66 GHz	2.26 GHz
Boost clock speed	0.67 GHz	3.06 GHz
Bus support	2500 MHz	2500 MHz
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	3 MB (shared)	4 MB
Chip lithography	32 nm	32 nm
Die size	81+114 mm2	81+177 mm2
Maximum core temperature	90 °C for rPGA, 105 °C for BGA	105 °C
Number of transistors	382+177 Million	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i3-390M 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
Socket	BGA1288,PGA988	BGA1288
Power consumption (TDP)	35 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-390M and Core i7-660LM. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i3-390M 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 Core i3-390M and Core i7-660LM are enumerated here.

VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-390M and Core i7-660LM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-800, DDR3-1066
Maximum memory size	8 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	17.1 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	667 MHz	566 MHz

Graphics interfaces

Available interfaces and connections of Core i3-390M and Core i7-660LM integrated GPUs.

Number of displays supported

2

2

Peripherals

Specifications and connection of peripherals supported by Core i3-390M and Core i7-660LM.

PCIe version	2.0	2.0
PCI Express lanes	16	16

Pros & cons summary

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Recency	9 January 2011	26 September 2010
Cost	$39	$346
Power consumption (TDP)	35 Watt	25 Watt

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