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).

 

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: 1493 vs 818
  • 4.4x better performance in PassMark - CPU mark: 4407 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 1493 vs 818
PassMark - CPU mark 4407 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
1493
818
PassMark - CPU mark
CPU 1
CPU 2
4407
1002
Name Intel Core i7-2820QM Intel Core i5-540UM
PassMark - Single thread mark 1493 818
PassMark - CPU mark 4407 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 2520 2535
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)