AMD Ryzen 7 7840U vs Intel Core i9 12900H

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We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and Intel Core i9 12900H 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 7840U's Advantages

Released 1 years and 4 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs LPDDR5-5200)

Higher base frequency (3.3GHz vs 2.5GHz)

Lower TDP (15W vs 35W)

Intel Core i9 12900H's Advantages

Larger L3 cache size (24MB vs 16MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840U

1742

Intel Core i9 12900H +9%

1911

Cinebench R23 Multi Core

AMD Ryzen 7 7840U

12833

Intel Core i9 12900H +29%

16654

Geekbench 6 Single Core

AMD Ryzen 7 7840U

2401

Intel Core i9 12900H

2397

Geekbench 6 Multi Core

AMD Ryzen 7 7840U

10983

Intel Core i9 12900H +9%

11973

Blender

AMD Ryzen 7 7840U +2%

234

Intel Core i9 12900H

229

Geekbench 5 Single Core

AMD Ryzen 7 7840U +3%

1907

Intel Core i9 12900H

1839

Geekbench 5 Multi Core

AMD Ryzen 7 7840U

10387

Intel Core i9 12900H +22%

12692

AMD Ryzen 7 7840U

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Intel Core i9 12900H

General Parameters

May 2023

Release Date

Jan 2022

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Alder Lake

-

Processor Number

i9-12900H

FP8

Socket

BGA-1744

Radeon 780M

Integrated Graphics

Iris Xe Graphics (96EU)

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

FP8

Socket

BGA-1744

15-30 W

Power Consumption

35-45 W

-

Max Turbo Power Consumption

115W

100°C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

12

3.3 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

100MHz

Bus Frequency

100MHz

33x

Multiplier

25x

64K per core

L1 Cache

80K per core

1MB per core

L2 Cache

1280K per core

16MB shared

L3 Cache

24MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

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

256GB

Max Memory Size

64GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

1500 MHz

GPU Base Frequency

300 MHz

2700 MHz

GPU Max Dynamic Frequency

1450 MHz

768

Shader Units

768

48

Texture Units

48

32

Raster Operation Units

24

12

Execution Units

96

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

AMD Ryzen 7 7840U

Official Website

Intel Core i9 12900H

4.0

PCIe Version

4.0

20

PCIe Lanes

28

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