Intel Core i7-3920XM vs Intel Core i7-640UM

Comparative analysis of Intel Core i7-3920XM and Intel Core i7-640UM 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), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i7-3920XM

Intel Core i7-640UM

Differences

Reasons to consider the Intel Core i7-3920XM

CPU is newer: launch date 2 year(s) 3 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 67% higher clock speed: 3.80 GHz vs 2.27 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 32 GB vs 8 GB
2.2x better performance in PassMark - Single thread mark: 1922 vs 879
4.8x better performance in PassMark - CPU mark: 5695 vs 1183

Specifications (specs)
Launch date	23 April 2012 vs 4 January 2010
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.80 GHz vs 2.27 GHz
Manufacturing process technology	22 nm vs 32 nm
L2 cache	1024 KB vs 512 KB
L3 cache	8192 KB vs 4 MB
Maximum memory size	32 GB vs 8 GB
Benchmarks
PassMark - Single thread mark	1922 vs 879
PassMark - CPU mark	5695 vs 1183

Reasons to consider the Intel Core i7-640UM

3.1x lower typical power consumption: 18 Watt vs 55 Watt

Thermal Design Power (TDP)	18 Watt vs 55 Watt

Compare benchmarks

CPU 1: Intel Core i7-3920XM
CPU 2: Intel Core i7-640UM

PassMark - Single thread mark

CPU 1

CPU 2

1922

879

PassMark - CPU mark

CPU 1

CPU 2

5695

1183

Name	Intel Core i7-3920XM	Intel Core i7-640UM
PassMark - Single thread mark	1922	879
PassMark - CPU mark	5695	1183
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	18.579
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	21.159
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.762
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.86
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.94
Geekbench 4 - Single Core		1425
Geekbench 4 - Multi-Core		2406

Compare specifications (specs)

	Intel Core i7-3920XM	Intel Core i7-640UM
Essentials
Architecture codename	Ivy Bridge	Arrandale
Launch date	23 April 2012	4 January 2010
Launch price (MSRP)	$1,096	$305
Place in performance rating	2020	2029
Price now	$1,096
Processor Number	i7-3920XM	i7-640UM
Series	Intel® Core™ X-series Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	2.46
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.90 GHz	1.20 GHz
Bus Speed	5 GT/s DMI	2.5 GT/s DMI
Die size	160 mm	81 mm2
L1 cache	256 KB
L2 cache	1024 KB	512 KB
L3 cache	8192 KB	4 MB
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	105 C	105°C
Maximum frequency	3.80 GHz	2.27 GHz
Number of cores	4	2
Number of threads	8	4
Transistor count	1400 Million	382 million
Unlocked
Front-side bus (FSB)		2500 MHz
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	12.8 GB/s
Maximum memory size	32 GB	8 GB
Supported memory types	DDR3/L/-RS 1333/1600	DDR3 800
Graphics
Graphics base frequency	650 MHz	166 MHz
Graphics max dynamic frequency	1.30 GHz	500 MHz
Graphics max frequency	1.3 GHz	500 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 4000	Intel HD Graphics
Intel® Clear Video technology
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	37.5 x 37.5mm (rPGA988B)	BGA 34mm x 28mm
Sockets supported	FCPGA988	BGA1288
Thermal Design Power (TDP)	55 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
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)