Intel Core i7-3687U vs Intel Core i7-840QM

Comparative analysis of Intel Core i7-3687U and Intel Core i7-840QM 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), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Core i7-3687U

Intel Core i7-840QM

Differences

Reasons to consider the Intel Core i7-3687U

CPU is newer: launch date 2 year(s) 7 month(s) later
Around 3% higher clock speed: 3.30 GHz vs 3.20 GHz
Around 5% higher maximum core temperature: 105 °C vs 100°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
4x more maximum memory size: 32 GB vs 8 GB
2.6x lower typical power consumption: 17 Watt vs 45 Watt
Around 41% better performance in PassMark - Single thread mark: 1598 vs 1132
Around 36% better performance in PassMark - CPU mark: 2645 vs 1945
Around 43% better performance in Geekbench 4 - Single Core: 571 vs 398

Specifications (specs)
Launch date	1 January 2013 vs 1 June 2010
Maximum frequency	3.30 GHz vs 3.20 GHz
Maximum core temperature	105 °C vs 100°C
Manufacturing process technology	22 nm vs 45 nm
Maximum memory size	32 GB vs 8 GB
Thermal Design Power (TDP)	17 Watt vs 45 Watt
Benchmarks
PassMark - Single thread mark	1598 vs 1132
PassMark - CPU mark	2645 vs 1945
Geekbench 4 - Single Core	571 vs 398

Reasons to consider the Intel Core i7-840QM

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
2x more L1 cache, more data can be stored in the L1 cache for quick access later
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
Around 7% better performance in Geekbench 4 - Multi-Core: 1289 vs 1207

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 4
L1 cache	256 KB vs 128 KB
L2 cache	1 MB vs 512 KB
L3 cache	8 MB vs 4 MB
Benchmarks
Geekbench 4 - Multi-Core	1289 vs 1207

Compare benchmarks

CPU 1: Intel Core i7-3687U
CPU 2: Intel Core i7-840QM

PassMark - Single thread mark

CPU 1

CPU 2

1598

1132

PassMark - CPU mark

CPU 1

CPU 2

2645

1945

Geekbench 4 - Single Core

CPU 1

CPU 2

571

398

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1207

1289

Name	Intel Core i7-3687U	Intel Core i7-840QM
PassMark - Single thread mark	1598	1132
PassMark - CPU mark	2645	1945
Geekbench 4 - Single Core	571	398
Geekbench 4 - Multi-Core	1207	1289
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.2
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	3.896
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.194
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.967
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1.42
GFXBench 4.0 - T-Rex (Frames)	2517
GFXBench 4.0 - T-Rex (Fps)	2517

Compare specifications (specs)

	Intel Core i7-3687U	Intel Core i7-840QM
Essentials
Architecture codename	Ivy Bridge	Clarksfield
Launch date	1 January 2013	1 June 2010
Place in performance rating	2483	2494
Processor Number	i7-3687U	i7-840QM
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$568
Price now		$289.97
Value for money (0-100)		3.46
Performance
64 bit support
Base frequency	2.10 GHz	1.86 GHz
Bus Speed	5 GT/s DMI	2.5 GT/s DMI
Die size	118 mm	296 mm2
L1 cache	128 KB	256 KB
L2 cache	512 KB	1 MB
L3 cache	4 MB	8 MB
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	105 °C	100°C
Maximum frequency	3.30 GHz	3.20 GHz
Number of cores	2	4
Number of threads	4	8
Front-side bus (FSB)		2500 MHz
Transistor count		774 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21 GB/s
Maximum memory size	32 GB	8 GB
Supported memory types	DDR3/L/-RS 1333/1600	DDR3 1066/1333
Graphics
Device ID	0x166
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.20 GHz
Graphics max frequency	1.2 GHz
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
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	3
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	31.0 x 24.0mm (BGA1023)	37.5mm x 37.5mm
Sockets supported	FCBGA1023	PGA988
Thermal Design Power (TDP)	17 Watt	45 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2
PCIe configurations	1x16, 2x8, 1x8 2x4	1x16, 2x8
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key 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® SSE4.2
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)