Intel Core i5-11400H vs Intel Core i7-640M

Comparative analysis of Intel Core i5-11400H and Intel Core i7-640M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score, 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 i5-11400H

Intel Core i7-640M

Differences

Reasons to consider the Intel Core i5-11400H

CPU is newer: launch date 10 year(s) 7 month(s) later
4 more cores, run more applications at once: 6 vs 2
8 more threads: 12 vs 4
Around 30% higher clock speed: 4.50 GHz vs 3.46 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm SuperFin vs 32 nm
4.5x more L1 cache, more data can be stored in the L1 cache for quick access later
15x more L2 cache, more data can be stored in the L2 cache for quick access later
3x more L3 cache, more data can be stored in the L3 cache for quick access later
16x more maximum memory size: 128 GB vs 8 GB
2.2x better performance in PassMark - Single thread mark: 2983 vs 1377
7.4x better performance in PassMark - CPU mark: 15427 vs 2083

Specifications (specs)
Launch date	11 May 2021 vs 20 September 2010
Number of cores	6 vs 2
Number of threads	12 vs 4
Maximum frequency	4.50 GHz vs 3.46 GHz
Manufacturing process technology	10 nm SuperFin vs 32 nm
L1 cache	576 KB vs 64 KB (per core)
L2 cache	7.5 MB vs 512 KB
L3 cache	12 MB vs 4096 KB
Maximum memory size	128 GB vs 8 GB
Benchmarks
PassMark - Single thread mark	2983 vs 1377
PassMark - CPU mark	15427 vs 2083

Reasons to consider the Intel Core i7-640M

Around 5% higher maximum core temperature: 105°C vs 100°C

Maximum core temperature	105°C vs 100°C

Compare benchmarks

CPU 1: Intel Core i5-11400H
CPU 2: Intel Core i7-640M

PassMark - Single thread mark

CPU 1

CPU 2

2983

1377

PassMark - CPU mark

CPU 1

CPU 2

15427

2083

Name	Intel Core i5-11400H	Intel Core i7-640M
PassMark - Single thread mark	2983	1377
PassMark - CPU mark	15427	2083
3DMark Fire Strike - Physics Score	5241
Geekbench 4 - Single Core		499
Geekbench 4 - Multi-Core		1036
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.541
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		29.806
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.151
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.798
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.292

Compare specifications (specs)

	Intel Core i5-11400H	Intel Core i7-640M
Essentials
Architecture codename	Tiger Lake	Arrandale
Launch date	11 May 2021	20 September 2010
Launch price (MSRP)	$250	$346
Place in performance rating	842	2922
Processor Number	i5-11400H	i7-640M
Series	11th Generation Intel Core i5 Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Price now		$199.95
Value for money (0-100)		4.18
Performance
64 bit support
Bus Speed	8 GT/s	2.5 GT/s DMI
L1 cache	576 KB	64 KB (per core)
L2 cache	7.5 MB	512 KB
L3 cache	12 MB	4096 KB
Manufacturing process technology	10 nm SuperFin	32 nm
Maximum core temperature	100°C	105°C
Maximum frequency	4.50 GHz	3.46 GHz
Number of cores	6	2
Number of threads	12	4
Base frequency		2.80 GHz
Die size		81 mm2
Front-side bus (FSB)		2500 MHz
Transistor count		382 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	51.2 GB/s	17.1 GB/s
Maximum memory size	128 GB	8 GB
Supported memory types	Up to 3200 MT/s	DDR3 800/1066
Graphics
Device ID	0x9A68
Execution Units	16
Graphics base frequency	350 MHz	500 MHz
Graphics max dynamic frequency	1.45 GHz	766 MHz
Intel® Quick Sync Video
Processor graphics	Intel UHD Graphics for 11th Gen Intel Processors	Intel HD Graphics
Graphics max frequency		766 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
Number of displays supported	4	2
Graphics image quality
Max resolution over DisplayPort	7680x4320@60Hz
Max resolution over eDP	4096x2304@60Hz
Graphics API support
DirectX	12.1
OpenGL	4.6
Compatibility
Configurable TDP-down	35 Watt
Configurable TDP-down Frequency	2.20 GHz
Configurable TDP-up	45 Watt
Configurable TDP-up Frequency	2.70 GHz
Max number of CPUs in a configuration	1	1
Package Size	50 x 26.5	rPGA 37.5mmx 37.5mm, BGA 34mmx28mm
Sockets supported	FCBGA1787	BGA1288, PGA988
Low Halogen Options Available
Thermal Design Power (TDP)		35 Watt
Peripherals
Max number of PCIe lanes	20	16
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4	1x16
PCI Express revision		2.0
Security & Reliability
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Mode-based Execute Control (MBE)
Secure Boot
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512	Intel® SSE4.1, Intel® SSE4.2
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Intel 64
Intel® Fast Memory Access
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
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)