AMD Ryzen 7 8840U vs Intel Core i9 14900HX

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We compared two laptop CPUs: AMD Ryzen 7 8840U with 8 cores 3.3GHz and Intel Core i9 14900HX with 24 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 8840U 's Advantages

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR5-5600)

Higher base frequency (3.3GHz vs 2.2GHz)

Lower TDP (15W vs 45W)

Intel Core i9 14900HX 's Advantages

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (36MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 8840U

1760

Intel Core i9 14900HX +24%

2193

Cinebench R23 Multi Core

AMD Ryzen 7 8840U

12890

Intel Core i9 14900HX +147%

31908

Geekbench 6 Single Core

AMD Ryzen 7 8840U

2468

Intel Core i9 14900HX +22%

3026

Geekbench 6 Multi Core

AMD Ryzen 7 8840U

11498

Intel Core i9 14900HX +60%

18418

AMD Ryzen 7 8840U

VS

Intel Core i9 14900HX

General Parameters

Dec 2023

Release Date

Jan 2024

Amd

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Hawk Point)

Core Architecture

Raptor Lake Refresh

-

Processor Number

i9-14900HX

FP8

Socket

BGA-1964

Radeon 780M

Integrated Graphics

UHD Graphics (32EU)

Ryzen 7 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

FP8

Socket

BGA-1964

15-30 W

Power Consumption

45-55 W

-

Max Turbo Power Consumption

157 W

100°C

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.3 GHz

Performance Core Base Frequency

2.2 GHz

5.1 GHz

Performance Core Turbo Frequency

5.8 GHz

-

Efficiency Cores

16

-

Efficiency Core Threads

16

-

Efficiency Core Base Frequency

1.6 GHz

-

Efficiency Core Turbo Frequency

4.1 GHz

8

Total Core Count

24

16

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

22x

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

2 MB per core

16 MB shared

L3 Cache

36 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, DDR4-3200

256 GB

Max Memory Size

192 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

300 MHz

2700 MHz

GPU Max Dynamic Frequency

1650 MHz

768

Shader Units

256

48

Texture Units

16

32

Raster Operation Units

8

12

Execution Units

32

15 W

Power Consumption

45 W

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

0.74 TFLOPS

Miscellaneous

AMD Ryzen 7 8840U

Official Website

Intel Core i9 14900HX

4.0

PCIe Version

5.0

20

PCIe Lanes

20

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