Intel Core i7-640M vs Intel Core i7-620M

Comparative analysis of Intel Core i7-640M and Intel Core i7-620M 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core i7-640M

Intel Core i7-620M

Differences

Reasons to consider the Intel Core i7-640M

CPU is newer: launch date 8 month(s) later
Around 4% higher clock speed: 3.46 GHz vs 3.33 GHz
Around 8% better performance in PassMark - Single thread mark: 1377 vs 1280
Around 6% better performance in PassMark - CPU mark: 2083 vs 1974
Around 10% better performance in Geekbench 4 - Single Core: 499 vs 452
Around 9% better performance in Geekbench 4 - Multi-Core: 1036 vs 947
Around 5% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 0.541 vs 0.513
Around 34% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 29.806 vs 22.188
Around 1% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.151 vs 0.15
Around 5% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.798 vs 0.762
Around 4% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2.292 vs 2.197

Specifications (specs)
Launch date	20 September 2010 vs 10 January 2010
Maximum frequency	3.46 GHz vs 3.33 GHz
Benchmarks
PassMark - Single thread mark	1377 vs 1280
PassMark - CPU mark	2083 vs 1974
Geekbench 4 - Single Core	499 vs 452
Geekbench 4 - Multi-Core	1036 vs 947
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.541 vs 0.513
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	29.806 vs 22.188
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.151 vs 0.15
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.798 vs 0.762
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.292 vs 2.197

Compare benchmarks

CPU 1: Intel Core i7-640M
CPU 2: Intel Core i7-620M

PassMark - Single thread mark

CPU 1

CPU 2

1377

1280

PassMark - CPU mark

CPU 1

CPU 2

2083

1974

Geekbench 4 - Single Core

CPU 1

CPU 2

499

452

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1036

947

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

0.541

0.513

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

29.806

22.188

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.151

0.15

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.798

0.762

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

2.292

2.197

Name	Intel Core i7-640M	Intel Core i7-620M
PassMark - Single thread mark	1377	1280
PassMark - CPU mark	2083	1974
Geekbench 4 - Single Core	499	452
Geekbench 4 - Multi-Core	1036	947
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.541	0.513
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	29.806	22.188
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.151	0.15
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.798	0.762
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.292	2.197

Compare specifications (specs)

	Intel Core i7-640M	Intel Core i7-620M
Essentials
Architecture codename	Arrandale	Arrandale
Launch date	20 September 2010	10 January 2010
Launch price (MSRP)	$346	$332
Place in performance rating	2922	2993
Price now	$199.95	$110.01
Processor Number	i7-640M	i7-620M
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Launched
Value for money (0-100)	4.18	7.29
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.80 GHz	2.66 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
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	512 KB	512 KB
L3 cache	4096 KB	4096 KB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	105°C	105°C
Maximum frequency	3.46 GHz	3.33 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	17.1 GB/s
Maximum memory size	8 GB	8 GB
Supported memory types	DDR3 800/1066	DDR3 800/1066
Graphics
Graphics base frequency	500 MHz	500 MHz
Graphics max dynamic frequency	766 MHz	766 MHz
Graphics max frequency	766 MHz	766 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	rPGA 37.5mmx 37.5mm, BGA 34mmx28mm	rPGA 37.5mmx 37.5mm, BGA 34mmx28mm
Sockets supported	BGA1288, PGA988	BGA1288, PGA988
Thermal Design Power (TDP)	35 Watt	35 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)