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Intel

Core i7-6660U

▲ 500 ▼

2 Cores, 4 Threads @2.40 GHz, Skylake.
Release date ≈ Q1 2018.

Average Bench: 53.4% (708th of 1445)

Based on 272 user benchmarks.  Device: BFEBFBFF000406E3 Model: Intel(R) Core(TM) i7-6660U CPU @ 2.40GHz
Poor: 42%Average: 53.4% Great: 61%
Gaming
Gaming 53%
Yacht
Desktop
Desktop 60%
Destroyer
Workstation
Workstation 40%
Jet ski

Popular builds with this CPU

Average average bench

The Intel Core i7-6660U averaged 46.6% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 64.4Pts
Avg. Single Core Speed 89.2Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-6660U is just 19.5%. This is a relatively narrow range which indicates that the Intel Core i7-6660U performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Speed 249Pts
Avg. Octa Core Speed 247Pts
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Average Bench

(Based on 272 samples)
Rank 70853.4%
Min Avg Max
48.3 Memory 64.4 77.3
52.1 1-Core 89.2 106
101 2-Core 158 189
59.6% 104 Pts
Min Avg Max
146 4-Core 245 283
175 8-Core 247 281
32.9% 246 Pts
Min Avg Max
171 64-Core 249 282
15.4% 249 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 3 GHz (avg)
57.8% Above average
Memory 73.4
1-Core 97.2
2-Core 172
66% 114 Pts
4-Core 249
8-Core 226
32% 237 Pts
64-Core 226
14% 226 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 3.1 GHz (avg)
53.6% Above average
Memory 62.6
1-Core 91.4
2-Core 158
60% 104 Pts
4-Core 260
8-Core 250
34% 255 Pts
64-Core 232
14% 232 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 2.9 GHz (avg)
52% Above average
Memory 65.5
1-Core 92.9
2-Core 181
64% 113 Pts
4-Core 224
8-Core 228
30% 226 Pts
64-Core 226
14% 226 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 3.05 GHz (avg)
48.6% Average
Memory 61.4
1-Core 83.9
2-Core 142
56% 95.8 Pts
4-Core 208
8-Core 211
28% 209 Pts
64-Core 198
12% 198 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 2.3 GHz (avg)
48.1% Average
Memory 76.3
1-Core 57.5
2-Core 94.6
49% 76.1 Pts
4-Core 114
8-Core 139
16% 127 Pts
64-Core 140
9% 140 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 2.6 GHz (avg)
44.7% Average
Memory 60.6
1-Core 76.1
2-Core 130
52% 89 Pts
4-Core 169
8-Core 168
22% 168 Pts
64-Core 146
9% 146 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 2.85 GHz (avg)
37.4% Below average
Memory 47.7
1-Core 77.2
2-Core 77
42% 67.3 Pts
4-Core 154
8-Core 178
22% 166 Pts
64-Core 145
9% 145 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 2.3 GHz (avg)
13.4% Very poor
Memory 14.6
1-Core 35.2
2-Core 63.9
20% 37.9 Pts
4-Core 67.1
8-Core 84.9
10% 76 Pts
64-Core 55.9
4% 55.9 Pts
272 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,868,281 CPUs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Core i7-6660U Builds (Compare 78 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 58%
Gunboat
Workstation
Workstation 10%
Tree trunk

System: EVOO EVC156-1

CPU
Core i7-6660UIntelBench 53%, 272 samples79x
GPU
Iris Graphics 540IntelBench 7%, 6,448 samples78x
SSD
256GB SSD 256GBW800sBench 63%, 472 samples69x
M.2 PCIe SSD 512GBSpccBench 203%, 29,096 samples1x
NE-128 128GBBench 119%, 3,172 samples1x
RAM
2x4GBMicronBench 68%, 3,234 samples78x
EDIT WITH CUSTOM PC BUILDER

Popular Core i7-6660U systems:

How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
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Processor Rankings (Price vs Performance) May 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Specifications

Essentials

DescriptionIntel® Core™ i7-6660U Processor (4M Cache, up to 3.40 GHz)
Code NameSkylake
Launch DateQ1'16
Processor Numberi7-6660U
# of Cores2
# of Threads4
Cache4 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsSSE4.1/4.2, AVX 2.0
Embedded Options AvailableNo
Lithography14 nm
Recommended Price$415.00
Clock Speed2.40 GHz
Max Turbo Frequency3.40 GHz
Bus Speed4 GT/s OPI
Max TDP15 W

Graphics

Processor GraphicsIntel® Iris™ Graphics 540
Graphics Base Frequency300.00 MHz
Graphics OutputeDP/DP/HDMI/DVI
Wireless DisplayYes
# of Displays Supported3
Graphics Max Dynamic Frequency1.05 GHz
Quick Sync VideoYes
InTru 3D TechYes
Clear Video HD TechYes
Clear Video Tech for MIDYes
Graphics Video Max Memory32 GB

Memory

Max Memory Size32 GB
Memory TypesDDR4-2133, LPDDR3-1866, DDR3L-1600
Memory Channels2
Memory Bandwidth34.1 GB/s
ECC Memory SupportedNo

Expansion Options

PCI Express Revision3.0
PCI Express Configurations1x4, 2x2, 1x2+2x1 and 4x1
Max # of PCI Express Lanes12

Data Protection

AES New InstructionsYes
Secure KeyYes

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Thermal Monitoring TechnologiesYes
Turbo Boost Tech2.0
Hyper-Threading TechYes
Virtualization for Directed I/O (VT-d)Yes
VT-x with Extended Page Tables (EPT)Yes
TSX-NIYes
vPro TechYes
Identity Protection TechYes
Flex Memory AccessYes
Stable Image Platform Program (SIPP)Yes
Small Business AdvantageYes
Smart Response TechYes
My WiFi TechYes

Package

Package Size42x24x1.3
Max CPU Configuration1
Sockets SupportedFCBGA1356

Platform Protection

Execute Disable BitYes
OS GuardYes
Trusted Execution TechYes

 Comments

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See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $289Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $39SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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