Intel Core i3-7100U vs Intel Core i7-3840QM

Comparative analysis of Intel Core i3-7100U and Intel Core i7-3840QM 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, 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 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Core i3-7100U

Intel Core i7-3840QM

Differences

Reasons to consider the Intel Core i3-7100U

CPU is newer: launch date 3 year(s) 11 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
3x lower typical power consumption: 15 Watt vs 45 Watt

Launch date	30 August 2016 vs 30 September 2012
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	15 Watt vs 45 Watt

Reasons to consider the Intel Core i7-3840QM

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 58% higher clock speed: 3.80 GHz vs 2.4 GHz
Around 5% higher maximum core temperature: 105 °C vs 100°C
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
2.7x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 39% better performance in PassMark - Single thread mark: 1931 vs 1385
2.2x better performance in PassMark - CPU mark: 5905 vs 2723
Around 29% better performance in Geekbench 4 - Single Core: 752 vs 583
2.2x better performance in Geekbench 4 - Multi-Core: 2887 vs 1324

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.80 GHz vs 2.4 GHz
Maximum core temperature	105 °C vs 100°C
L1 cache	256 KB vs 128 KB
L2 cache	1024 KB vs 512 KB
L3 cache	8192 KB vs 3 MB
Benchmarks
PassMark - Single thread mark	1931 vs 1385
PassMark - CPU mark	5905 vs 2723
Geekbench 4 - Single Core	752 vs 583
Geekbench 4 - Multi-Core	2887 vs 1324

Compare benchmarks

CPU 1: Intel Core i3-7100U
CPU 2: Intel Core i7-3840QM

PassMark - Single thread mark

CPU 1

CPU 2

1385

1931

PassMark - CPU mark

CPU 1

CPU 2

2723

5905

Geekbench 4 - Single Core

CPU 1

CPU 2

583

752

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1324

2887

Name	Intel Core i3-7100U	Intel Core i7-3840QM
PassMark - Single thread mark	1385	1931
PassMark - CPU mark	2723	5905
Geekbench 4 - Single Core	583	752
Geekbench 4 - Multi-Core	1324	2887
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	6.862
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	52.235
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.272
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.956
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	17.473
GFXBench 4.0 - Car Chase Offscreen (Frames)	1458
GFXBench 4.0 - Manhattan (Frames)	2457
GFXBench 4.0 - T-Rex (Frames)	4419
GFXBench 4.0 - Car Chase Offscreen (Fps)	1458
GFXBench 4.0 - Manhattan (Fps)	2457
GFXBench 4.0 - T-Rex (Fps)	4419

Compare specifications (specs)

	Intel Core i3-7100U	Intel Core i7-3840QM
Essentials
Architecture codename	Kaby Lake	Ivy Bridge
Launch date	30 August 2016	30 September 2012
Launch price (MSRP)	$281	$568
Place in performance rating	1690	1694
Price now	$337.98	$335
Processor Number	i3-7100U	i7-3840QM
Series	7th Generation Intel® Core™ i3 Processors	Legacy Intel® Core™ Processors
Status	Launched	Launched
Value for money (0-100)	3.30	7.72
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.40 GHz	2.80 GHz
Bus Speed	4 GT/s OPI	5 GT/s DMI
L1 cache	128 KB	256 KB
L2 cache	512 KB	1024 KB
L3 cache	3 MB	8192 KB
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	100°C	105 °C
Maximum frequency	2.4 GHz	3.80 GHz
Number of cores	2	4
Number of threads	4	8
Die size		160 mm
Transistor count		1400 Million
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR4-2133, LPDDR3-1866, DDR3L-1600	DDR3/L/-RS 1333/1600
Graphics
Device ID	0x5916	0x166
Graphics base frequency	300 MHz	650 MHz
Graphics max dynamic frequency	1.00 GHz	1.30 GHz
Graphics max frequency	1 GHz	1.3 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	32 GB
Processor graphics	Intel® HD Graphics 620	Intel® HD Graphics 4000
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
CRT
SDVO
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz
Max resolution over VGA	N / A
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Configurable TDP-down	7.5 W
Configurable TDP-down Frequency	800 MHz
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42mm X 24mm	37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224)
Sockets supported	FCBGA1356	FCPGA988
Thermal Design Power (TDP)	15 Watt	45 Watt
Peripherals
Max number of PCIe lanes	12	16
PCI Express revision	3.0	3.0
PCIe configurations	1x4, 2x2, 1x2+2x1 and 4x1	1x16, 2x8, 1x8 2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Optane™ Memory Supported
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Speed Shift technology
Thermal Monitoring
4G WiMAX Wireless
Flexible Display interface (FDI)
Intel® Demand Based Switching
Intel® Fast Memory Access
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)