Intel Core i7 8665U vs AMD Ryzen 7 7840U

VS

We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and AMD Ryzen 7 7840U with 8 cores 3.3GHz . 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

Lower TDP (15W vs 15W)

AMD Ryzen 7 7840U's Advantages

Released 4 years and 1 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR4-2400)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.3GHz vs 1.9GHz)

Larger L3 cache size (16MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 8665U

1250

AMD Ryzen 7 7840U +39%

1742

Cinebench R23 Multi Core

Intel Core i7 8665U

3749

AMD Ryzen 7 7840U +242%

12833

Geekbench 6 Single Core

Intel Core i7 8665U

1484

AMD Ryzen 7 7840U +61%

2401

Geekbench 6 Multi Core

Intel Core i7 8665U

3939

AMD Ryzen 7 7840U +178%

10983

Blender

Intel Core i7 8665U

37

AMD Ryzen 7 7840U +532%

234

Geekbench 5 Single Core

Intel Core i7 8665U

1056

AMD Ryzen 7 7840U +80%

1907

Geekbench 5 Multi Core

Intel Core i7 8665U

3056

AMD Ryzen 7 7840U +239%

10387

Intel Core i7 8665U

VS

AMD Ryzen 7 7840U

General Parameters

Apr 2019

Release Date

May 2023

Intel

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Whiskey Lake

Core Architecture

Zen 4 (Phoenix)

i7-8665U

Processor Number

-

BGA-1528

Socket

FP8

UHD Graphics 620

Integrated Graphics

Radeon 780M

Package

-

Transistor Count

25 billions

14 nm

Manufacturing Process

4 nm

BGA-1528

Socket

FP8

15 W

Power Consumption

15-30 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

4

Performance Cores

8

Performance Core Threads

16

1.9 GHz

Performance Core Base Frequency

3.3 GHz

4.8 GHz

Performance Core Turbo Frequency

5.1 GHz

4

Total Core Count

8

Total Thread Count

16

-

Bus Frequency

100MHz

19x

Multiplier

33x

32K per core

L1 Cache

64K per core

256K per core

L2 Cache

1MB per core

8MB shared

L3 Cache

16MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

DDR5-5600, LPDDR5x-7500

64GB

Max Memory Size

256GB

2

Max Memory Channels

2

37.5 GB/s

Max Memory Bandwidth

-

No

ECC Memory Support

Yes

Graphics Card Parameters

True

Integrated Graphics

True

300 MHz

GPU Base Frequency

1500 MHz

1150 MHz

GPU Max Dynamic Frequency

2700 MHz

192

Shader Units

768

24

Texture Units

48

3

Raster Operation Units

32

24

Execution Units

12

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

7680x4320 - 60 Hz

0.38 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

Intel Core i7 8665U

Official Website

AMD Ryzen 7 7840U

3.0

PCIe Version

4.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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