Today's hottest
Amazon Ebay
deals
TEST
YOUR CPU
ADD TO PC
BUILD

Intel

Core i7-6660U

▲ 500 ▼

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

Average Bench: 53.4% (731st of 1468)

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

Average Bench

(Based on 272 samples)
Rank 73153.4%
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 3.1 GHz (avg)
53.5% Above average
Memory 63.2
1-Core 97
2-Core 173
63% 111 Pts
4-Core 254
8-Core 256
34% 255 Pts
64-Core 235
15% 235 Pts
U3E1, 1 CPU, 2 cores, 4 threads
Base clock 2.4 GHz, turbo 2.8 GHz (avg)
52.8% Above average
Memory 68.4
1-Core 82.3
2-Core 147
58% 99.1 Pts
4-Core 215
8-Core 227
29% 221 Pts
64-Core 181
11% 181 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 2.6 GHz (avg)
47.3% Average
Memory 62.3
1-Core 88.1
2-Core 153
58% 101 Pts
4-Core 191
8-Core 171
25% 181 Pts
64-Core 177
11% 177 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 2.45 GHz (avg)
39.5% Below average
Memory 60.9
1-Core 90.9
2-Core 122
55% 91.3 Pts
4-Core 113
8-Core 79.4
14% 96.2 Pts
64-Core 137
8% 137 Pts
272 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 68,954,114 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 80 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 samples81x
GPU
Iris Graphics 540IntelBench 7%, 6,448 samples80x
SSD
256GB SSD 256GBW800sBench 63%, 472 samples71x
M.2 PCIe SSD 512GBSpccBench 203%, 29,096 samples1x
NE-128 128GBBench 119%, 3,172 samples1x
RAM
2x4GBMicronBench 68%, 3,234 samples80x
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.

UserBenchmark of the month

Gaming Desktop ProGaming

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
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Processor Rankings (Price vs Performance) November 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]

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

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 6 years

Speed Comparisons

vs Intel Core i5-12600K
vs Intel Core i5-12400F
vs Intel Core i5-13600K
vs Intel Core i7-14700K
vs AMD Ryzen 5 5600X
vs AMD Ryzen 5 3600
vs Intel Core i3-13100F
vs Intel Core i5-12400
vs Intel Core i3-12100F

1468 Processors (Compared) Thousands of user benchmarks compiled into one comparison list

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

 Frequently Asked Questions

Processors FAQ
AMD vs Intel: Gaming performance 2012-2021
How does IPC compare between AMD's Ryzen and Intel's Kaby Lake?
What is multi core mixed speed?
What is multi core integer speed?
What is multi core floating point speed?
What is single core mixed CPU speed?
What is quad core mixed CPU speed?
What is quad core floating point speed?
What is quad core integer speed?
What is single core floating point speed?
What is single core integer speed?
What is the GeekBench single core score?
What is a CPU?
What is the effective CPU speed index?
What is overclocking?
What is thermal design power (TDP)?
ALL FAQs »

 Best User Rated
Why does UserBenchmark have a bad reputation on reddit?
Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
Why don’t PC brands endorse UserBenchmark?
Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
Why don’t youtubers promote UserBenchmark?
We don't pay youtubers, so they don't praise us. Moreover, our data obstructs youtubers who promote overpriced or inferior products.
Why does UserBenchmark have negative trustpilot reviews?
The 200+ trustpilot reviews are mostly written by virgin marketing accounts. Real users don't give a monkey's about big brands.
Why is UserBenchmark the gold standard for users?
Instead of pursuing brands for sponsorship, we've spent 13 years publishing real-world data for users.
The Best
CPUGPUSSD
Intel Core i5-12600K $169Nvidia RTX 4060 $295WD Black SN850X M.2 2TB $135
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $345WD Black SN850X M.2 1TB $80
Intel Core i5-13600K $215Nvidia RTX 4070 $500Crucial T700 M.2 4TB $350
Today's hottest
Amazon Ebay
deals
If you buy something via a price link, UserBenchmark may earn a commission
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback