Intel Core i7-6660U processor review

Intel Core i7-6660U

Core i7-6660U processor released by Intel; release date: Q1'16. The processor is designed for mobile-computers and based on Skylake microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 2, threads - 4. Maximum CPU clock speed - 3.40 GHz. Maximum operating temperature - 100°C. Manufacturing process technology - 14 nm.

Supported memory types: DDR4-2133, LPDDR3-1866, DDR3L-1600. Maximum memory size: 32 GB.

Supported socket types: FCBGA1356. Maximum number of processors in a configuration - 1. Power consumption (TDP): 15 Watt.

The processor has integrated graphics Intel® Iris® Graphics 540 with the following parameters: maximum video memory size - 32 GB.

Benchmarks

Geekbench 4
Single Core
Top 1 CPU
This CPU
5311
3647
Geekbench 4
Multi-Core
Top 1 CPU
This CPU
36691
7130
CompuBench 1.5 Desktop
Face Detection
Top 1 CPU
This CPU
97.640 mPixels/s
2.455 mPixels/s
CompuBench 1.5 Desktop
Ocean Surface Simulation
Top 1 CPU
This CPU
741.453 Frames/s
44.681 Frames/s
CompuBench 1.5 Desktop
Video Composition
Top 1 CPU
This CPU
49.002 Frames/s
1.204 Frames/s
CompuBench 1.5 Desktop
Bitcoin Mining
Top 1 CPU
This CPU
218.231 mHash/s
2.931 mHash/s
CompuBench 1.5 Desktop
T-Rex
Top 1 CPU
This CPU
4.623 Frames/s
0.280 Frames/s
PassMark
Single thread mark
Top 1 CPU
This CPU
4870
1943
PassMark
CPU mark
Top 1 CPU
This CPU
156834
3606
Name Value
Geekbench 4 - Single Core 3647
Geekbench 4 - Multi-Core 7130
CompuBench 1.5 Desktop - Face Detection 2.455 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation 44.681 Frames/s
CompuBench 1.5 Desktop - Video Composition 1.204 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining 2.931 mHash/s
CompuBench 1.5 Desktop - T-Rex 0.280 Frames/s
PassMark - Single thread mark 1943
PassMark - CPU mark 3606

Integrated graphics – Intel Iris Graphics 540

Technical info

Boost clock speed 1050 MHz
Core clock speed 300 MHz
Manufacturing process technology 14 nm
Pipelines 48
Thermal Design Power (TDP) 15 Watt
Transistor count 189 million

Games performance

League of Legends (2019)

Low, 1280x720114.00
Medium, 1920x108094.00
High, 1920x108074.00
Ultra, 1920x108071.00

World of Tanks enCore (2018)

Low, 1366x768174.00
Medium, 1920x108024.40
Ultra, 1920x10809.50

X-Plane 11.11 (2018)

Low, 1280x72023.60
Medium, 1920x108016.90
High, 1920x108013.60

Dishonored 2 (2016)

Low, 1280x72017.30

Call of Duty Infinite Warfare (2016)

Low, 1280x72030.00
Medium, 1366x76827.30

Titanfall 2 (2016)

Low, 1280x72055.30
Medium, 1366x76838.60
High, 1920x108014.30

Farming Simulator 17 (2016)

Low, 1280x720112.00
Medium, 1366x76876.00
High, 1920x108030.60
Ultra, 1920x108019.10

Battlefield 1 (2016)

Low, 1280x72043.40
Medium, 1366x76825.30
High, 1920x108012.60

Mafia 3 (2016)

Low, 1280x72011.30

Deus Ex Mankind Divided (2016)

Low, 1280x72018.60

Mirror's Edge Catalyst (2016)

Low, 1280x72035.00
Medium, 1366x76820.50

Overwatch (2016)

Low, 1280x72063.10
Medium, 1366x76843.80
High, 1920x108020.10

Doom (2016)

Low, 1280x72031.50

Ashes of the Singularity (2016)

Low, 1280x76813.30

Hitman 2016 (2016)

Low, 1280x72015.60
Medium, 1366x76813.80
High, 1920x10807.60

The Division (2016)

Low, 1280x72024.80
Medium, 1366x76812.90

Far Cry Primal (2016)

Low, 1280x72022.00
Medium, 1920x108011.00
High, 1920x10808.00

XCOM 2 (2016)

Low, 1280x72022.80
Medium, 1920x10807.80

Rise of the Tomb Raider (2016)

Low, 1024x76823.70
Medium, 1366x76816.10

Rainbow Six Siege (2015)

Low, 1024x76841.70
Medium, 1366x76825.80
High, 1920x108015.15
Ultra, 1920x108012.30

Assassin's Creed Syndicate (2015)

Low, 1024x7685.05

Star Wars Battlefront (2015)

Low, 1024x76840.20
Medium, 1366x76822.90

Fallout 4 (2015)

Low, 1280x72023.20

Anno 2205 (2015)

Low, 1024x76837.70
Medium, 1366x76820.65
High, 1920x10809.05

World of Warships (2015)

Low, 1366x76899.35
Medium, 1366x76873.30
High, 1920x108033.50

Dota 2 Reborn (2015)

Low, 1280x72065.20
Medium, 1366x76846.90
High, 1920x108029.20
Ultra, 1920x108026.85

The Witcher 3 (2015)

Low, 1024x76818.75
Medium, 1366x76812.00

Dirt Rally (2015)

Low, 1024x768149.00
Medium, 1366x76836.80
High, 1920x108017.20
Ultra, 1920x108012.50

Dragon Age: Inquisition (2014)

Low, 1024x76852.30
Medium, 1366x76835.20
High, 1920x108011.60

Sims 4 (2014)

Ultra, 1920x108032.20

Thief (2014)

Low, 1024x76823.30
Medium, 1366x76815.70
High, 1366x76813.70

Battlefield 4 (2013)

Low, 1024x76847.40
Medium, 1366x76831.75
High, 1366x76821.35
Ultra, 1920x108010.40

Metro: Last Light (2013)

Low, 1024x76842.00
Medium, 1366x76835.40
High, 1366x76822.00
Ultra, 1920x108010.25

BioShock Infinite (2013)

Low, 1280x72082.00
Medium, 1366x76846.00
High, 1366x76839.65
Ultra, 1920x108011.30

Tomb Raider (2013)

Low, 1024x768111.00
Medium, 1366x76859.60
High, 1366x76839.85
Ultra, 1920x108020.60

Crysis 3 (2013)

Low, 1024x76845.65
Medium, 1366x76829.90
High, 1366x76819.80
Ultra, 1920x10806.60

Diablo III (2012)

Ultra, 1920x108057.00

World of Warcraft (2005)

High, 1280x102455.00
Ultra, 1920x108024.00

Specifications (specs)

Essentials

Architecture codename Skylake
Launch date Q1'16
Place in performance rating 1675
Processor Number i7-6660U
Series 6th Generation Intel® Core™ i7 Processors
Status Launched
Vertical segment Mobile

Performance

64 bit support
Base frequency 2.40 GHz
Bus Speed 4 GT/s OPI
Manufacturing process technology 14 nm
Maximum core temperature 100°C
Maximum frequency 3.40 GHz
Number of cores 2
Number of threads 4

Memory

Max memory channels 2
Maximum memory bandwidth 34.1 GB/s
Maximum memory size 32 GB
Supported memory types DDR4-2133, LPDDR3-1866, DDR3L-1600

Graphics

Device ID 0x1926
eDRAM 64 MB
Graphics base frequency 300 MHz
Graphics max dynamic frequency 1.05 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® Iris® Graphics 540

Graphics interfaces

DisplayPort
DVI
eDP
HDMI
Number of displays supported 3

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

Graphics API support

DirectX 12
OpenGL 4.5

Compatibility

Configurable TDP-down 9.5 W
Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 42x24x1.3
Sockets supported FCBGA1356
Thermal Design Power (TDP) 15 Watt

Peripherals

Max number of PCIe lanes 12
PCI Express revision 3.0
PCIe configurations 1x4, 2x2, 1x2+2x1 and 4x1

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 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

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)