Intel Core i7 8665U vs Intel Core i7 1260U

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We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and Intel Core i7 1260U with 10 cores 1.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 8665U 's Advantages

Higher base frequency (1.9GHz vs 1.1GHz)

Intel Core i7 1260U 's Advantages

Released 2 years and 10 months late

Better graphics card performance

Higher specification of memory (LPDDR5-5200 vs DDR4-2400)

Larger memory bandwidth (76.8GB/s vs 37.5GB/s)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (12MB vs 8MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (9W vs 15W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 8665U +23%

1484

Intel Core i7 1260U

1202

Geekbench 6 Multi Core

Intel Core i7 8665U

3939

Intel Core i7 1260U +7%

4233

Geekbench 5 Single Core

Intel Core i7 8665U

1056

Intel Core i7 1260U +56%

1650

Geekbench 5 Multi Core

Intel Core i7 8665U

3056

Intel Core i7 1260U +134%

7179

Passmark CPU Single Core

Intel Core i7 8665U

2192

Intel Core i7 1260U +45%

3188

Passmark CPU Multi Core

Intel Core i7 8665U

6232

Intel Core i7 1260U +106%

12887

Intel Core i7 8665U

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Intel Core i7 1260U

General Parameters

Apr 2019

Release Date

Feb 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Whiskey Lake

Core Architecture

Alder Lake

i7-8665U

Processor Number

i7-1260U

BGA-1528

Socket

BGA-1781

UHD Graphics 620

Integrated Graphics

Iris Xe Graphics (96EU)

Package

14 nm

Manufacturing Process

10 nm

BGA-1528

Socket

BGA-1781

15 W

Power Consumption

9 W

-

Max Turbo Power Consumption

29 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

4

Performance Cores

2

8

Performance Core Threads

4

1.9 GHz

Performance Core Base Frequency

1.1 GHz

4.8 GHz

Performance Core Turbo Frequency

4.7 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

0.8 GHz

-

Efficiency Core Turbo Frequency

3.5 GHz

4

Total Core Count

10

8

Total Thread Count

12

-

Bus Frequency

100 MHz

19x

Multiplier

11x

32 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

1280 K per core

8 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

LPDDR5-5200, LPDDR4x-4267

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

37.5 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

300 MHz

1150 MHz

GPU Max Dynamic Frequency

950 MHz

192

Shader Units

768

24

Texture Units

48

3

Raster Operation Units

24

Execution Units

96

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

Intel Core i7 8665U

Official Website

Intel Core i7 1260U

3.0

PCIe Version

4.0

16

PCIe Lanes

14

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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