GeekRadar / The comparison desk

COMPARE.

CPU

Intel

Intel Core i7-6660U

Processor

CPU cores: 2
CPU threads: 4
Maximum boost clock: 3.4 GHz
Thermal design power: 15 W

Graphics & compute benchmarks

Archived cohort medians

GFXBench, GLBenchmark and CompuBench results retain the tested system, API, operating system and resolution. Offscreen tests fix the render resolution; onscreen results also reflect the display workload. These historical submissions do not establish performance in current games.

Bitcoin MiningOS X / OpenCL / compute · mHash/s

Higher is better.

Intel Core i7-6660U

2.93^* mHash/s

Intel(R) Core(TM) i7-6660U CPU with Iris Graphics 540

Intel(R) Core(TM) i7-6660U CPU

Face DetectionOS X / OpenCL / compute · mPixels/s

Higher is better.

Intel Core i7-6660U

2.46^* mPixels/s

Intel(R) Core(TM) i7-6660U CPU with Iris Graphics 540

Intel(R) Core(TM) i7-6660U CPU

Ocean Surface SimulationOS X / OpenCL / compute · fps

Higher is better.

Intel Core i7-6660U

44.68^* fps

Intel(R) Core(TM) i7-6660U CPU with Iris Graphics 540

Intel(R) Core(TM) i7-6660U CPU

Particle Simulation - 64kOS X / OpenCL / compute · mInteraction/s

Higher is better.

Intel Core i7-6660U

22.79^* mInteraction/s

Intel(R) Core(TM) i7-6660U CPU with Iris Graphics 540

Intel(R) Core(TM) i7-6660U CPU

T-RexOS X / OpenCL / compute · fps

Higher is better.

Intel Core i7-6660U

0.28^* fps

Intel(R) Core(TM) i7-6660U CPU with Iris Graphics 540

Intel(R) Core(TM) i7-6660U CPU

TV-L1 Optical FlowOS X / OpenCL / compute · mPixels/s

Higher is better.

Intel Core i7-6660U

1.04^* mPixels/s

Intel(R) Core(TM) i7-6660U CPU with Iris Graphics 540

Intel(R) Core(TM) i7-6660U CPU

Video CompositionOS X / OpenCL / compute · fps

Higher is better.

Intel Core i7-6660U

1.20^* fps

Intel(R) Core(TM) i7-6660U CPU with Iris Graphics 540

Intel(R) Core(TM) i7-6660U CPU

Median results, not the best run. Sample counts and individual test dates are unreported. Different systems using the same GPU remain separate configurations.

Benchmark results

PassMark · version unreported · cpuMark3,851^*Platform unreported Compare results
PassMark · version unreported · threadMark1,983^*Platform unreported Compare results
PassMark CPU Mark · version unreported · CPU Mark3,879^* pointsPlatform unreported Compare results

Processing & platform

CPU cores: 2
Graphics: Intel® Iris® Graphics 540^*
CPU threads: 4
Base clock: 2.4 GHz
Turbo Boost 2.0 frequency: 3.4 GHz^*
Integrated GPU base frequency: 300 MHz^*
Integrated GPU maximum dynamic frequency: 1,050 MHz^*
Maximum supported memory bandwidth: 34.10 GB/s^*
Maximum boost clock: 3.4 GHz
L3 cache: 4 MB
L2 cache: 0.5 MB
Socket / package: FCBGA1356
Process node: 14 nm

Cache hierarchy

L1 / total
Level
L1
Scope
total
Size
0.125 MB
L2 / total
Level
L2
Scope
total
Size
0.5 MB
L3 / total
Level
L3
Scope
total
Size
4 MB
Reported cache^*
Size
4 MB^*
Level
Reported cache (level unstated)^*
Scope
Intel® Smart Cache^*

Memory & storage

Memory channels: 2
Video memory type: DDR4-2133, LPDDR3-1866, DDR3L-1600^*

Supported memory

DDR4-2133 | LPDDR3-1866 | DDR3L-1600^*

CPU memory support

DDR4-2133
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR4
Transfer rate
2,133 MT/s
LPDDR3-1866
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
LPDDR3
Transfer rate
1,866 MT/s
DDR3L-1600
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR3L
Transfer rate
1,600 MT/s

Power specifications

Thermal design power: 15 W

CPU power specifications

Configurable TDP-down
Power specification
Configurable TDP
Rated power
9.50 W
Variant / details
Manufacturer configurable TDP-down mode; system implementation determines availability.
Configurable TDP-down^*
Power specification
Configurable TDP-down^*
Rated power
9.50 W^*

System configuration

Detailed specifications

Specifications 1 · 41 fields

Product Collection: 6th Generation Intel® Core™ i7 Processors^*
Processor Base Frequency: 2.4^* GHz
Max Turbo Frequency: 3.4^* GHz
Cache: 4 MB SmartCache^*
Bus Speed: 4 GT/s OPI^*
TDP: 15^* W
Embedded Options Available: No^*
Conflict Free: Yes^*
Max Memory Size: 32^* GB
Memory Types: DDR4-2133, LPDDR3-1866, DDR3L-1600^*
Max nb of Memory Channels: 2^*
Vertical Segment: Mobile^*
Max Memory Bandwidth: 34.1^* GB/s
ECC Memory Supported: No^*
Graphics Base Frequency: 300^* MHz
Graphics Max Dynamic Frequency: 1.05^* GHz
Graphics Output: eDP/DP/HDMI/DVI^*
Max Resolution HDMI: 4096x2304@24Hz^*
Max Resolution DP: 4096x2304@60Hz^*
Processor Number: i7-6660U^*
Max Resolution eDP Integrated Flat Panel: 4096x2304@60Hz^*
DirectX Support: 12^*
PCI Express Revision: 3^*
PCI Express Configurations: 1x4, 2x2, 1x2+2x1 and 4x1^*
Max nb of PCI Express Lanes: 12^*
T: 100°C^*
Intel Hyper Threading Technology: Yes^*
Intel Virtualization Technology VTx: Yes^*
Intel 64: Yes^*
Status: Launched^*
Instruction Set: 64-bit^*
Instruction Set Extensions: SSE4.1/4.2, AVX 2.0^*
Idle States: Yes^*
Thermal Monitoring Technologies: Yes^*
Secure Key: Yes^*
Execute Disable Bit: Yes^*
Launch Date: Q1'16^*
Lithography: 14^* nm
Recommended Customer Price: $415.00^*
nb of Cores: 2^*
nb of Threads: 4^*

Specifications 2 · 76 fields

AESTech

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

BornOnDate

Q1'16^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

Bus

4 GT/s^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

Cache

4 MB Intel® Smart Cache^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ClearVideoTechnology

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ClockSpeed

2.40 GHz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ClockSpeedMax

3.40 GHz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

CodeNameText

Products formerly Skylake^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ConfigTDPMin

9.5 W^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

CoreCount

2^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

CpuId

91169^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

CpuName

Intel® Core™ i7-6660U Processor^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

CVTHD

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ECCMemory

No^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

EM64

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

Embedded

No^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

EmbeddedDramMB

64 MB^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ESUDate

Friday. September 30. 2022^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ExecuteDisable

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ExtendedPageTables

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

FlexMemoryTechnology

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

Graphics4KSupportLevel

Yes. at 60Hz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsDeviceId

0x1926^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsDirectXSupport

12^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsFreq

300 MHz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsMaxFreq

1.05 GHz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsMaxMem

32 GB^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsMaxResolutionDP

4096x2304@60Hz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsMaxResolutionHDMI

4096x2304@24Hz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsMaxResolutionIFP

4096x2304@60Hz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsOpenGLSupport

4.5^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

GraphicsOutput

eDP/DP/HDMI/DVI^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

HaltState

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

HyperThreading

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

IdentityProtectionTechVersion

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

InstructionSet

64-bit^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

InstructionSetExtensions

Intel® SSE4.1. Intel® SSE4.2. Intel® AVX2^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

InTru3D

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

Lithography

14 nm^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MarketSegment

Mobile^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MaxCPUs

1^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MaxMem

32 GB^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MaxMemoryBandwidth

34.1 GB/s^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MaxTDP

15 W^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MemoryProtectionExtensionsVersion

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MemoryTypes

DDR4-2133. LPDDR3-1866. DDR3L-1600^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

MyWiFiTech

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

NumDisplaysSupported

3^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

NumMemoryChannels

2^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

NumPCIExpressPorts

12^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

OSGuardTechVersion

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

PackageSize

42x24x1.3^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

PCIExpressConfigs

1x4. 2x2. 1x2+2x1 and 4x1^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

PCIExpressRevision

3.0^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ProcessorGraphicsModelId

Intel® Iris® Graphics 540^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ProcessorNumber

i7-6660U^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ProductGroup

6th Generation Intel® Core™ i7 Processors^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

QuickSyncVideo

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

SecureKeyTechVersion

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ServicingStatus

End of Servicing Lifetime^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

SmartResponseTechVersion

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

SocketsSupported

FCBGA1356^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

SoftwareGuardExtensions

Yes with Intel® ME^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

SpeedstepTechnology

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

StableImagePlatformProgramVersion

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

StatusCodeText

Discontinued^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

TBTVersion

2.0^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ThermalJunctionRateCode

100°C^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ThermalMonitoring2Indicator

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

ThreadCount

4^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

TransactionalSynchronizationExtensionVersion

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

TurboBoostTech2MaxFreq

3.40 GHz^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

TXT

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

VProTechnologyOptions

Intel vPro® Platform^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

VTD

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

VTX

Yes^*

Scope and conditions

native_context

member: intel-cpus.csv^*
row: 492^*

Specifications 3 · 7 fields

Processor: Intel Core i7-6660U Processor^*
Status: Launched^*
Release Date: Q1'16^*
Cores: 2^*
Max Turbo Speed: 3.4^* GHz
Base Speed: 2.4^* GHz
Cache Size: 4^* MB

Specifications 4 · 12 fields

name: Intel Core i7-6660U @ 2.40GHz^*
cores: 2^*
logicals: 2^*
samples: 16^*
price: 415^*
tdp: 15^*
date: 2018-08-01^*
socket: FCBGA1356^*
category: Laptop^*
speed: 2,400^*
turbo: 3,400^*
cpuCount: 1^*

Specifications 5 · 2 fields

brand: Intel^*
name: Intel Core i7-6660U @ 2.40GHz^*

Specifications 6 · 41 fields

turbo frequency: 3,400^*
turbo frequency: 3,400^*
cache size: 4,096^*
cache size: 4,096^*
tdp: 15^*
tdp: 15^*
price: 415^*
product line: 6th Generation Intel Core i7 Processors^*
socket: FCBGA1356^*
socket: FCBGA1356^*
memory type: DDR4-2133, LPDDR3-1866, DDR3L-1600^*
memory type: DDR4-2133, LPDDR3-1866, DDR3L-1600^*
cores: 2^*
cores: 2^*
manufacturer Processor benchmark result: intel^*
vertical segment: Mobile^*
vertical segment: Mobile^*
max memory size: 33,554,432^*
max memory size: 33,554,432^*
status: Discontinued^*
status: Discontinued^*
max temp: 100^*
max temp: 100^*
package size: 42x24x1.3^*
package size: 42x24x1.3^*
fullname: Intel Core i7-6660U Processor (4M Cache, up to 3.40 GHz)^*
threads: 4^*
threads: 4^*
name: Intel Core i7-6660U^*
name: Intel Core i7-6660U^*
rating Processor benchmark result: 3,879^*
processor number: i7-6660U^*
processor number: i7-6660U^*
launch date: 2016-02-01^*
launch date: 2016-02-01^*
lithography: 14^*
lithography: 14^*
bus speed: 4^*
bus speed: 4^*
base frequency: 2,400^*
base frequency: 2,400^*

Specifications 7 · 12 fields

ClockSpeed: 2.4^* GHz
Cache: 4 MB Intel® Smart Cache^*
Bus: 4 GT/s^*
MaxTDP: 15^* W
BornOnDate: Q1'16^*
Model: Intel® Core™ i7-6660U Processor^*
Price: $415.00^*
MarketSegment: Mobile^*
Lithography: 14^* nm
CoreCount: 2^*
ThreadCount: 4^*
ClockSpeedMax: 3.4^* GHz

Specifications 8 · 73 fields

Idle States

Yes^*

Enhanced Intel SpeedStep® Technology

Yes^*

Thermal Monitoring Technologies

Yes^*

Intel® Identity Protection Technology ‡

Yes^*

Intel® Smart Response Technology

Yes^*

Intel® Flex Memory Access

Yes^*

Intel® My WiFi Technology

Yes^*

Intel vPro® Eligibility ‡

Intel vPro® Platform^*

Intel® AES New Instructions

Yes^*

Secure Key

Yes^*

Intel® Software Guard Extensions (Intel® SGX)

Yes with Intel® ME^*

Intel® Memory Protection Extensions (Intel® MPX)

Yes^*

Intel® Trusted Execution Technology ‡

Yes^*

Execute Disable Bit ‡

Yes^*

Intel® OS Guard

Yes^*

Total Cores

2^*

Intel® Virtualization Technology (VT-x) ‡

Yes^*

Intel® Virtualization Technology for Directed I/O (VT-d) ‡

Yes^*

Intel® VT-x with Extended Page Tables (EPT) ‡

Yes^*

Intel® Stable Image Platform Program (SIPP)

Yes^*

Total Threads

4^*

Max Turbo Frequency

3.4^* GHz

Intel® Turbo Boost Technology 2.0 Frequency‡

3.4^* GHz

Processor Base Frequency

2.4^* GHz

Cache

4.0^* MB

Scope and conditions

source_native_row_context

Cache description: Intel® Smart Cache^*
Original declaration: 4 MB Intel® Smart Cache^*

TDP

15^* W

Configurable TDP-down

9.5^* W

Bus Speed

4^* GT/s

Marketing Status

Discontinued^*

Launch Date

Q1'16^*

Servicing Status

End of Servicing Lifetime^*

End of Servicing Updates Date

Friday | September 30 | 2022^*

Embedded Options Available

No^*

Max Memory Size (dependent on memory type)

32^* GB

Memory Types

DDR4-2133 | LPDDR3-1866 | DDR3L-1600^*

Max # of Memory Channels

2^*

Max Memory Bandwidth

34.1^* GB/s

ECC Memory Supported ‡

No^*

Product Collection

6th Generation Intel® Core™ i7 Processors^*

GPU Name‡

Intel® Iris® Graphics 540^*

Graphics Base Frequency

300^* MHz

Graphics Max Dynamic Frequency

1.05^* GHz

Graphics Video Max Memory

32^* GB

Graphics Output

eDP/DP/HDMI/DVI^*

4K Support

Yes | at 60Hz^*

Max Resolution (HDMI)‡

4096x2304@24Hz^*

Max Resolution (DP)‡

4096x2304@60Hz^*

Vertical Segment

Mobile^*

Max Resolution (eDP - Integrated Flat Panel)‡

4096x2304@60Hz^*

DirectX* Support

12^*

OpenGL* Support

4.5^*

Intel® Quick Sync Video

Yes^*

Intel® InTru™ 3D Technology

Yes^*

Intel® Clear Video HD Technology

Yes^*

Intel® Clear Video Technology

Yes^*

# of Displays Supported ‡

3^*

Processor Number

i7-6660U^*

Device ID

0x1926^*

eDRAM

64^* MB

PCI Express Revision

3.0^*

PCI Express Configurations ‡

1x4 | 2x2 | 1x2+2x1 and 4x1^*

Max # of PCI Express Lanes

12^*

Lithography

14^* nm

Sockets Supported

FCBGA1356^*

Max CPU Configuration

1^*

TJUNCTION

100^* °C

Package Size

42x24x1.3^*

Intel® Turbo Boost Technology ‡

2.0^*

Intel® Hyper-Threading Technology ‡

Yes^*

Intel® Transactional Synchronization Extensions

Yes^*

Intel® 64 ‡

Yes^*

Instruction Set

64-bit^*

Instruction Set Extensions

Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX2^*

Specifications 9 · 12 fields

cpuName

Intel Core i7-6660U @ 2.40GHz^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

testDate

2,018^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

socket

FCBGA1356^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

category

Laptop^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

price

415^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

cpuMark

3,851^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

cpuValue

9.28^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

threadMark

1,983^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

threadValue

4.78^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

TDP

15^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

powerPerf

256.72^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

cores

2^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

* Provisional data