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Intel

Core i7-8665U

▲ 54183 ▼

4 Cores, 8 Threads @1.90 GHz, 15 W.
Release date ≈ Q1 2019.

Average Bench: 59.6% (589th of 1442)

Based on 10,156 user benchmarks.  Device: BFEBFBFF000806EC Model: Intel(R) Core(TM) i7-8665U CPU @ 1.90GHz
Poor: 31%Average: 59.6% Great: 77%
Gaming
Gaming 60%
Gunboat
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 47%
Yacht

Popular builds with this CPU

Average average bench

The Intel Core i7-8665U averaged 40.4% 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. Single Core Speed 101Pts
Avg. Memory Latency 66.8Pts

Average consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-8665U is 46.6%. This is a relatively wide range which indicates that the Intel Core i7-8665U performs inconsistently under varying real world conditions.

Weaknesses

Avg. Multi Core Speed 383Pts
Avg. Octa Core Speed 390Pts
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Average Bench

(Based on 10,156 samples)
Rank 58959.6%
Min Avg Max
27.1 Memory 66.8 83.7
40.6 1-Core 101 136
75.5 2-Core 182 259
65.7% 117 Pts
Min Avg Max
118 4-Core 288 438
185 8-Core 390 582
42.8% 339 Pts
Min Avg Max
201 64-Core 383 557
23.7% 383 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 3.9 GHz (avg)
77.2% Very good
Memory 70
1-Core 123
2-Core 251
80% 148 Pts
4-Core 472
8-Core 558
67% 515 Pts
64-Core 538
33% 538 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 3.25 GHz (avg)
71.3% Very good
Memory 77.8
1-Core 107
2-Core 205
74% 130 Pts
4-Core 355
8-Core 475
53% 415 Pts
64-Core 456
28% 456 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 2.55 GHz (avg)
60.8% Good
Memory 74.9
1-Core 119
2-Core 176
72% 123 Pts
4-Core 261
8-Core 321
38% 291 Pts
64-Core 325
20% 325 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 2.1 GHz (avg)
59.1% Above average
Memory 74.9
1-Core 62.1
2-Core 125
53% 87.5 Pts
4-Core 238
8-Core 324
36% 281 Pts
64-Core 316
20% 316 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 2.4 GHz (avg)
59.1% Above average
Memory 66.3
1-Core 66.2
2-Core 138
53% 90.2 Pts
4-Core 281
8-Core 401
43% 341 Pts
64-Core 375
23% 375 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 1.9 GHz (avg)
52.1% Above average
Memory 66.5
1-Core 67.4
2-Core 120
51% 84.8 Pts
4-Core 208
8-Core 279
31% 243 Pts
64-Core 279
17% 279 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 2.15 GHz (avg)
51.2% Above average
Memory 58.5
1-Core 77.4
2-Core 135
52% 90.3 Pts
4-Core 243
8-Core 316
36% 280 Pts
64-Core 312
19% 312 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 2.05 GHz (avg)
49.2% Average
Memory 71.2
1-Core 92.7
2-Core 144
61% 103 Pts
4-Core 149
8-Core 255
24% 202 Pts
64-Core 247
15% 247 Pts
U3E1, 1 CPU, 4 cores, 8 threads
Base clock 2.1 GHz, turbo 1.1 GHz (avg)
29.9% Poor
Memory 43.4
1-Core 30.3
2-Core 58.7
28% 44.1 Pts
4-Core 91.8
8-Core 121
14% 106 Pts
64-Core 139
9% 139 Pts
10,156 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,714,258 CPUs tested

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

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CPU GPU SSD HDD RAM MBD
Typical Core i7-8665U Builds (Compare 1,450 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 61%
Destroyer
Workstation
Workstation 7%
Tree trunk

System: Dell Latitude 7400

CPU
Core i7-8665UIntelBench 60%, 10,156 samples863x
GPU
UHD Graphics 620IntelBench 5%, 178,291 samples1,444x
R9 280AMD  $185Bench 30%, 33,175 samples2x
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples1x
SSD
NVMe SK hynix 256GBPc601Bench 138%, 2,219 samples103x
2200S NVMe 256GBMicronBench 152%, 2,261 samples92x
2200S NVMe 512GBMicronBench 167%, 5,553 samples78x
RAM
HMA82GS6DJR8N-VK 1x16GBUnknownBench 42%, 1,772 samples229x
HMA82GS6JJR8N-VK 1x16GBUnknownBench 43%, 5,210 samples199x
HMA81GS6JJR8N-VK 1x8GBUnknownBench 40%, 7,726 samples66x
EDIT WITH CUSTOM PC BUILDER

Popular Core i7-8665U systems:

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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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  • - 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
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  • - Reports are generated and presented on userbenchmark.com
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Processor Rankings (Price vs Performance) April 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™ i7-8665U Processor
Launch DateQ2 '19
Processor Numberi7-8665U
# of Cores4
# of Threads8
Cache8 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Embedded Options AvailableNo
Lithography14 nm
Clock Speed1.90 GHz
Max Turbo Frequency4.80 GHz
Bus Speed4 GT/s OPI
Max TDP15 W

Graphics

Processor GraphicsIntel® UHD Graphics 620
Graphics Base Frequency300 MHz
Graphics OutputeDP/DP/HDMI/DVI
# of Displays Supported3
Graphics Max Dynamic Frequency1.15 GHz
Quick Sync VideoYes
Clear Video HD TechYes
Clear Video Tech for MIDYes
Graphics Video Max Memory32 GB

Memory

Max Memory Size32 GB
Memory TypesDDR4-2400, LPDDR3-2133
Memory Channels2
Memory Bandwidth37.5 GB/s
ECC Memory SupportedNo

Expansion Options

PCI Express Revision3.0
PCI Express Configurations1x4, 2x2, 1x2+2x1 and 4x1
Max # of PCI Express Lanes16

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
Identity Protection TechYes
Flex Memory AccessYes
Stable Image Platform Program (SIPP)Yes
Smart Response TechYes
My WiFi TechYes
Speed Shift TechnologyYes

Package

Package Size46x24
Max CPU Configuration1
Sockets SupportedFCBGA1528

Platform Protection

Execute Disable BitYes
OS GuardYes
Trusted Execution TechYes

 Comments

Added n/a ago.
USA-User
Avatar level
9,834

Liked (edit your comment) Add link

16 days ago.

ROU-User
Avatar level
4,615

Good

26 days ago.

Powerful and economic, does all desktop tasks with ease.

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Age: 5 years

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1442 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

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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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