Intel Core i7-6660U vs Intel Core i3-5020U

Comparative analysis of Intel Core i7-6660U and Intel Core i3-5020U 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: 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - Single thread mark, PassMark - CPU mark, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps).

Intel Core i7-6660U

Intel Core i3-5020U

Differences

Reasons to consider the Intel Core i7-6660U

Around 55% higher clock speed: 3.40 GHz vs 2.2 GHz
2x more maximum memory size: 32 GB vs 16 GB
7.8x better performance in Geekbench 4 - Single Core: 3647 vs 467
6.7x better performance in Geekbench 4 - Multi-Core: 7130 vs 1059
Around 55% better performance in PassMark - Single thread mark: 1943 vs 1250
Around 63% better performance in PassMark - CPU mark: 3606 vs 2208

Specifications (specs)
Maximum frequency	3.40 GHz vs 2.2 GHz
Maximum memory size	32 GB vs 16 GB
Benchmarks
Geekbench 4 - Single Core	3647 vs 467
Geekbench 4 - Multi-Core	7130 vs 1059
PassMark - Single thread mark	1943 vs 1250
PassMark - CPU mark	3606 vs 2208

Reasons to consider the Intel Core i3-5020U

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 i7-6660U
CPU 2: Intel Core i3-5020U

Geekbench 4 - Single Core

CPU 1

CPU 2

3647

467

Geekbench 4 - Multi-Core

CPU 1

CPU 2

7130

1059

PassMark - Single thread mark

CPU 1

CPU 2

1943

1250

PassMark - CPU mark

CPU 1

CPU 2

3606

2208

Name	Intel Core i7-6660U	Intel Core i3-5020U
Geekbench 4 - Single Core	3647	467
Geekbench 4 - Multi-Core	7130	1059
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	44.681
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.204
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.931
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.28
PassMark - Single thread mark	1943	1250
PassMark - CPU mark	3606	2208
GFXBench 4.0 - Car Chase Offscreen (Frames)		865
GFXBench 4.0 - Car Chase Offscreen (Fps)		865
GFXBench 4.0 - Manhattan (Frames)		2681
GFXBench 4.0 - Manhattan (Fps)		2681

Compare specifications (specs)

	Intel Core i7-6660U	Intel Core i3-5020U
Essentials
Architecture codename	Skylake	Broadwell
Launch date	Q1'16	31 March 2015
Place in performance rating	1676	1673
Processor Number	i7-6660U	i3-5020U
Series	6th Generation Intel® Core™ i7 Processors	5th Generation Intel® Core™ i3 Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$281
Price now		$459
Value for money (0-100)		2.04
Performance
64 bit support
Base frequency	2.40 GHz	2.20 GHz
Bus Speed	4 GT/s OPI	5 GT/s DMI2
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	105°C
Maximum frequency	3.40 GHz	2.2 GHz
Number of cores	2	2
Number of threads	4	4
Die size		82 mm
L1 cache		128 KB
L2 cache		512 KB
L3 cache		3 MB
Transistor count		1300 Million
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	32 GB	16 GB
Supported memory types	DDR4-2133, LPDDR3-1866, DDR3L-1600	DDR3L 1333/1600 LPDDR 1333 /1600
Graphics
Device ID	0x1926	0x1616
eDRAM	64 MB
Graphics base frequency	300 MHz	300 MHz
Graphics max dynamic frequency	1.05 GHz	900 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	32 GB	16 GB
Processor graphics	Intel® Iris® Graphics 540	Intel® HD Graphics 5500
Graphics max frequency		900 MHz
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz	3840x2160@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz	2560x1600@60Hz
Max resolution over VGA		N / A
Graphics API support
DirectX	12	11.2/12
OpenGL	4.5	4.3
Compatibility
Configurable TDP-down	9.5 W	10 W
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42x24x1.3	40mm x 24mmx 1.3mm
Sockets supported	FCBGA1356	FCBGA1168
Thermal Design Power (TDP)	15 Watt	15 Watt
Configurable TDP-down Frequency		600 MHz
Peripherals
Max number of PCIe lanes	12	12
PCI Express revision	3.0	2.0
PCIe configurations	1x4, 2x2, 1x2+2x1 and 4x1	4x1 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)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)