AMD Ryzen 9 7945HX3D vs Intel Core Ultra 9 285HX

VS

AMD Ryzen 9 7945HX3D

Intel Core Ultra 9 285HX

We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz and Intel Core Ultra 9 285HX with 24 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7945HX3D 's Advantages

Larger L3 cache size (128MB vs 24MB)

Intel Core Ultra 9 285HX 's Advantages

Released 1 years and 6 months late

Higher specification of memory (6400 vs 5200)

Larger memory bandwidth (102.4GB/s vs 83.2GB/s)

Higher base frequency (2.8GHz vs 2.3GHz)

More modern manufacturing process (3nm vs 5nm)

Score

AMD Ryzen 9 7945HX3D

VS

Intel Core Ultra 9 285HX

General Parameters

Jul 2023

Release Date

Jan 2025

AMD

Manufacturer

Intel

Laptop

Type

Laptop

Dragon Range

Core Architecture

Arrow Lake

AMD Socket FL1

Socket

Intel Socket 1851

Radeon 610M

Integrated Graphics

Arc Xe-LPG

Ryzen 9 (Zen 4 (Dragon Range))

Generation

Ultra 9 (Arrow Lake)

Package

17.84 billions

Transistor Count

-

5 nm

Manufacturing Process

3 nm

55 W

Power Consumption

17-55 W

89 °C

Peak Operating Temperature

100 °C

TSMC

Foundry

Intel

2x71 mm²

Die Size

-

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

CPU Performance

-

Performance Cores

8

-

Performance Core Threads

8

2.3 GHz

Performance Core Base Frequency

2.8 GHz

5.4 GHz

Performance Core Turbo Frequency

5.5 GHz

-

Efficiency Cores

16

-

Efficiency Core Threads

16

-

Efficiency Core Base Frequency

2.1 GHz

-

Efficiency Core Turbo Frequency

4.6 GHz

16

Total Core Count

24

32

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

28

64 KB per core

L1 Cache

112 KB per core

1 MB per core

L2 Cache

23 MB

128 MB shared

L3 Cache

24 MB shared

Yes

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5200

Memory Types

DDR5-6400

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

102.4 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

2200 MHz

GPU Max Dynamic Frequency

2000 MHz

2

Execution Units

64

0.49 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 9 7945HX3D

Official Website

5

PCIe Version

5

28

PCIe Lanes

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