Intel Core i7-3555LE vs Intel Core i7-660UM

Comparative analysis of Intel Core i7-3555LE and Intel Core i7-660UM 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Core i7-3555LE

Intel Core i7-660UM

Differences

Reasons to consider the Intel Core i7-3555LE

CPU is newer: launch date 1 year(s) 9 month(s) later
Around 33% higher clock speed: 3.20 GHz vs 2.40 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x more maximum memory size: 16 GB vs 8 GB
Around 44% better performance in PassMark - Single thread mark: 1336 vs 925
Around 74% better performance in PassMark - CPU mark: 2238 vs 1284

Specifications (specs)
Launch date	June 2012 vs 1 September 2010
Maximum frequency	3.20 GHz vs 2.40 GHz
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	16 GB vs 8 GB
Benchmarks
PassMark - Single thread mark	1336 vs 925
PassMark - CPU mark	2238 vs 1284

Reasons to consider the Intel Core i7-660UM

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 i7-3555LE
CPU 2: Intel Core i7-660UM

PassMark - Single thread mark

CPU 1

CPU 2

1336

925

PassMark - CPU mark

CPU 1

CPU 2

2238

1284

Name	Intel Core i7-3555LE	Intel Core i7-660UM
PassMark - Single thread mark	1336	925
PassMark - CPU mark	2238	1284
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.857
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	5.584
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.274
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.253
GFXBench 4.0 - T-Rex (Frames)	2328
GFXBench 4.0 - T-Rex (Fps)	2328

Compare specifications (specs)

	Intel Core i7-3555LE	Intel Core i7-660UM
Essentials
Architecture codename	Ivy Bridge	Arrandale
Launch date	June 2012	1 September 2010
Place in performance rating	2387	2377
Processor Number	i7-3555LE	i7-660UM
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Embedded	Mobile
Performance
64 bit support
Base frequency	2.50 GHz	1.33 GHz
Bus Speed	5 GT/s DMI	2.5 GT/s DMI
Die size	118 mm	81 mm2
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)	512 KB
L3 cache	4096 KB (shared)	4096 KB
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	105°C	105°C
Maximum frequency	3.20 GHz	2.40 GHz
Number of cores	2	2
Number of threads	4	4
Front-side bus (FSB)		2500 MHz
Transistor count		382 million
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	12.8 GB/s
Maximum memory size	16 GB	8 GB
Supported memory types	DDR3/DDR3L 1333/1600	DDR3 800
Graphics
Graphics base frequency	550 MHz	166 MHz
Graphics max dynamic frequency	1.00 GHz	500 MHz
Graphics max frequency	1 GHz	500 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 4000	Intel HD Graphics
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	3	2
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	31.0mm x 24.0mm	BGA 34mm x 28mm
Sockets supported	FCBGA1023	BGA1288
Thermal Design Power (TDP)	25 Watt	18 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	2.0
PCIe configurations	1x16, 2x8, 1x8 2x4	1x16
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)