Intel Core i7-6785R vs Intel Core i7-6660U

Comparative analysis of Intel Core i7-6785R and Intel Core i7-6660U 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.

Intel Core i7-6785R

Intel Core i7-6660U

Differences

Reasons to consider the Intel Core i7-6785R

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 15% higher clock speed: 3.90 GHz vs 3.40 GHz
2x more maximum memory size: 64 GB vs 32 GB

Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.90 GHz vs 3.40 GHz
Maximum memory size	64 GB vs 32 GB

Reasons to consider the Intel Core i7-6660U

Around 41% higher maximum core temperature: 100°C vs 71°C
4.3x lower typical power consumption: 15 Watt vs 65 Watt

Maximum core temperature	100°C vs 71°C
Thermal Design Power (TDP)	15 Watt vs 65 Watt

Compare benchmarks

CPU 1: Intel Core i7-6785R
CPU 2: Intel Core i7-6660U

Name	Intel Core i7-6785R	Intel Core i7-6660U
Geekbench 4 - Single Core		3647
Geekbench 4 - Multi-Core		7130
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
PassMark - CPU mark		3606

Compare specifications (specs)

	Intel Core i7-6785R	Intel Core i7-6660U
Essentials
Architecture codename	Skylake	Skylake
Launch date	Q2'16	Q1'16
Place in performance rating	not rated	1675
Processor Number	i7-6785R	i7-6660U
Series	6th Generation Intel® Core™ i7 Processors	6th Generation Intel® Core™ i7 Processors
Status	Discontinued	Launched
Vertical segment	Desktop	Mobile
Performance
64 bit support
Base frequency	3.30 GHz	2.40 GHz
Bus Speed	8 GT/s DMI3	4 GT/s OPI
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	71°C	100°C
Maximum frequency	3.90 GHz	3.40 GHz
Number of cores	4	2
Number of threads	8	4
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	34.1 GB/s
Maximum memory size	64 GB	32 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR4-2133, LPDDR3-1866, DDR3L-1600
Graphics
Device ID	0x193B	0x1926
eDRAM	128 MB	64 MB
Graphics base frequency	350 MHz	300 MHz
Graphics max dynamic frequency	1.15 GHz	1.05 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB	32 GB
Processor graphics	Intel® Iris® Pro Graphics 580	Intel® Iris® Graphics 540
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2304@24Hz
Graphics API support
DirectX	12	12
OpenGL	4.5	4.5
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42mm x 28mm	42x24x1.3
Sockets supported	BGA1440	FCBGA1356
Thermal Design Power (TDP)	65 Watt	15 Watt
Thermal Solution	PCG 2015C (65W)
Configurable TDP-down		9.5 W
Peripherals
Max number of PCIe lanes	16	12
PCI Express revision	3.0	3.0
PCIe configurations	1x16,2x8,1x8+2x4	1x4, 2x2, 1x2+2x1 and 4x1
Scalability	1S Only
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)
Secure Boot
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® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Flex Memory Access
Intel® My WiFi technology
Intel® Smart Response technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)