AMD Ryzen 7 7840H vs Intel Core i9 12900HK

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We compared two laptop CPUs: AMD Ryzen 7 7840H with 8 cores 3.8GHz and Intel Core i9 12900HK with 14 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840H 's Advantages

Released 1 years late

Better graphics card performance

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Higher base frequency (3.8GHz vs 2.5GHz)

Lower TDP (35W vs 35W)

Intel Core i9 12900HK 's Advantages

Higher specification of memory (LPDDR5-5200 vs DDR5-5600)

Newer PCIe version (4.0 vs 4)

Larger L3 cache size (24MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840H

1800

Intel Core i9 12900HK +6%

1917

Cinebench R23 Multi Core

AMD Ryzen 7 7840H

17887

Intel Core i9 12900HK +2%

18259

Geekbench 6 Single Core

AMD Ryzen 7 7840H +11%

2625

Intel Core i9 12900HK

2361

Geekbench 6 Multi Core

AMD Ryzen 7 7840H

11813

Intel Core i9 12900HK +3%

12172

Blender

AMD Ryzen 7 7840H

197

Intel Core i9 12900HK +21%

240

Geekbench 5 Single Core

AMD Ryzen 7 7840H +6%

1909

Intel Core i9 12900HK

1793

Geekbench 5 Multi Core

AMD Ryzen 7 7840H

11494

Intel Core i9 12900HK +15%

13317

Passmark CPU Single Core

AMD Ryzen 7 7840H +7%

3947

Intel Core i9 12900HK

3676

Passmark CPU Multi Core

AMD Ryzen 7 7840H +1%

28248

Intel Core i9 12900HK

27949

AMD Ryzen 7 7840H

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Intel Core i9 12900HK

General Parameters

Jan 2023

Release Date

Jan 2022

AMD

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Phoenix

Core Architecture

Alder Lake

-

Processor Number

i9-12900HK

AMD Socket FP8

Socket

BGA-1744

Radeon 780M

Integrated Graphics

Iris Xe Graphics (96EU)

Ryzen 7 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

AMD Socket FP8

Socket

BGA-1744

35 W

Power Consumption

35-45 W

-

Max Turbo Power Consumption

115 W

100 °C

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

-

Performance Cores

6

-

Performance Core Threads

12

3.8 GHz

Performance Core Base Frequency

2.5 GHz

5.1 GHz

Performance Core Turbo Frequency

5 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1.8 GHz

-

Efficiency Core Turbo Frequency

3.8 GHz

8

Total Core Count

14

16

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

25x

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

1280 K per core

16 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

2700 MHz

GPU Max Dynamic Frequency

1450 MHz

-

Shader Units

768

-

Texture Units

48

-

Raster Operation Units

24

12

Execution Units

96

-

Power Consumption

15 W

10 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

AMD Ryzen 7 7840H

Official Website

Intel Core i9 12900HK

4

PCIe Version

4.0

20

PCIe Lanes

28

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