Intel Core i7 8665U vs Intel Core i3 1215U

VS

We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and Intel Core i3 1215U with 6 cores 1.2GHz . 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 1.2GHz)

Intel Core i3 1215U '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 (10MB vs 8MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 8665U

1264

Intel Core i3 1215U +25%

1589

Cinebench R23 Multi Core

Intel Core i7 8665U

3779

Intel Core i3 1215U +54%

5847

Geekbench 6 Single Core

Intel Core i7 8665U

1484

Intel Core i3 1215U +10%

1640

Geekbench 6 Multi Core

Intel Core i7 8665U +4%

3939

Intel Core i3 1215U

3776

Blender

Intel Core i7 8665U

37

Intel Core i3 1215U +86%

69

Geekbench 5 Single Core

Intel Core i7 8665U

1056

Intel Core i3 1215U +48%

1572

Geekbench 5 Multi Core

Intel Core i7 8665U

3056

Intel Core i3 1215U +95%

5963

Passmark CPU Single Core

Intel Core i7 8665U

2192

Intel Core i3 1215U +55%

3408

Passmark CPU Multi Core

Intel Core i7 8665U

6232

Intel Core i3 1215U +82%

11350

Intel Core i7 8665U

VS

Intel Core i3 1215U

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-U

i7-8665U

Processor Number

i3-1215U

BGA-1528

Socket

BGA-1744

UHD Graphics 620

Integrated Graphics

UHD Graphics (64EU)

Package

14 nm

Manufacturing Process

10 nm

BGA-1528

Socket

BGA-1744

15 W

Power Consumption

15 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

2

8

Performance Core Threads

-

1.9 GHz

Performance Core Base Frequency

1.2 GHz

4.8 GHz

Performance Core Turbo Frequency

4.4 GHz

-

Efficiency Cores

4

Total Core Count

6

8

Total Thread Count

8

-

Bus Frequency

100 MHz

19x

Multiplier

12x

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

10 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

DDR5-4800, DDR4-3200, 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

1100 MHz

192

Shader Units

512

24

Texture Units

32

3

Raster Operation Units

16

24

Execution Units

64

15 W

Power Consumption

45 W

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

1.43 TFLOPS

Miscellaneous

Intel Core i7 8665U

Official Website

Intel Core i3 1215U

3.0

PCIe Version

4.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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