Intel Core i7-660LM vs Intel Core i7-680UM

Comparative analysis of Intel Core i7-660LM and Intel Core i7-680UM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Core i7-660LM

Intel Core i7-680UM

Differences

Reasons to consider the Intel Core i7-660LM

Around 21% higher clock speed: 3.06 GHz vs 2.53 GHz

Maximum frequency	3.06 GHz vs 2.53 GHz

Reasons to consider the Intel Core i7-680UM

Around 39% lower typical power consumption: 18 Watt vs 25 Watt

Thermal Design Power (TDP)	18 Watt vs 25 Watt

Compare benchmarks

CPU 1: Intel Core i7-660LM
CPU 2: Intel Core i7-680UM

Name	Intel Core i7-660LM	Intel Core i7-680UM
PassMark - Single thread mark		911
PassMark - CPU mark		1196

Compare specifications (specs)

	Intel Core i7-660LM	Intel Core i7-680UM
Essentials
Architecture codename	Arrandale	Arrandale
Launch date	26 September 2010	26 September 2010
Launch price (MSRP)	$346	$317
Place in performance rating	not rated	2409
Processor Number	i7-660LM	i7-680UM
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.26 GHz	1.46 GHz
Bus Speed	2.5 GT/s DMI	2.5 GT/s DMI
Die size	81 mm2	81 mm2
Front-side bus (FSB)	2500 MHz	2500 MHz
L2 cache	512 KB	512 KB
L3 cache	4 MB	4 MB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	105°C	105°C
Maximum frequency	3.06 GHz	2.53 GHz
Number of cores	2	2
Number of threads	4	4
Transistor count	382 million	382 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	12.8 GB/s
Maximum memory size	8 GB	8 GB
Supported memory types	DDR3 800/1066	DDR3 800
Graphics
Graphics base frequency	266 MHz	166 MHz
Graphics max dynamic frequency	566 MHz	500 MHz
Graphics max frequency	566 MHz	500 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	2	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	BGA 34mm x 28mm	BGA 34mm x 28mm
Sockets supported	BGA1288	BGA1288
Thermal Design Power (TDP)	25 Watt	18 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
PCIe configurations	1x16	1x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit	36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)