Intel Core i7-2820QM vs Intel Core i5-540UM

Comparative analysis of Intel Core i7-2820QM and Intel Core i5-540UM 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 i7-2820QM

Intel Core i5-540UM

Differences

Reasons to consider the Intel Core i7-2820QM

CPU is newer: launch date 7 month(s) later
2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 70% higher clock speed: 3.40 GHz vs 2.00 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.7x 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
Around 83% better performance in PassMark - Single thread mark: 1495 vs 818
4.4x better performance in PassMark - CPU mark: 4381 vs 1002

Specifications (specs)
Launch date	3 January 2011 vs 24 May 2010
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.40 GHz vs 2.00 GHz
L2 cache	1024 KB vs 512 KB
L3 cache	8192 KB vs 3 MB
Maximum memory size	32 GB vs 8 GB
Benchmarks
PassMark - Single thread mark	1495 vs 818
PassMark - CPU mark	4381 vs 1002

Reasons to consider the Intel Core i5-540UM

Around 5% higher maximum core temperature: 105°C vs 100 C
2.5x lower typical power consumption: 18 Watt vs 45 Watt

Maximum core temperature	105°C vs 100 C
Thermal Design Power (TDP)	18 Watt vs 45 Watt

Compare benchmarks

CPU 1: Intel Core i7-2820QM
CPU 2: Intel Core i5-540UM

PassMark - Single thread mark

CPU 1

CPU 2

1495

818

PassMark - CPU mark

CPU 1

CPU 2

4381

1002

Name	Intel Core i7-2820QM	Intel Core i5-540UM
PassMark - Single thread mark	1495	818
PassMark - CPU mark	4381	1002
Geekbench 4 - Single Core	617
Geekbench 4 - Multi-Core	2236
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.053
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	65.357
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.459
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.591
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.98

Compare specifications (specs)

	Intel Core i7-2820QM	Intel Core i5-540UM
Essentials
Architecture codename	Sandy Bridge	Arrandale
Launch date	3 January 2011	24 May 2010
Launch price (MSRP)	$568	$250
Place in performance rating	2524	2545
Price now	$251.04
Processor Number	i7-2820QM	i5-540UM
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	7.79
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.30 GHz	1.20 GHz
Bus Speed	5 GT/s DMI	2.5 GT/s DMI
Die size	216 mm	81 mm2
L1 cache	256 KB
L2 cache	1024 KB	512 KB
L3 cache	8192 KB	3 MB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	100 C	105°C
Maximum frequency	3.40 GHz	2.00 GHz
Number of cores	4	2
Number of threads	8	4
Transistor count	995 Million	382 million
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 1066/1333/1600	DDR3 800
Graphics
Device ID	0x116
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 3000	Intel HD Graphics
Intel® Clear Video technology
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	2	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); 31.0 x 24.0mm (BGA1224)	BGA 34mm x 28mm
Sockets supported	FCPGA988, FCBGA1224	BGA1288
Thermal Design Power (TDP)	45 Watt	18 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	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)