Intel Core i9 12900HK vs AMD Ryzen 5 7645HX

VS

Intel Core i9 12900HK AMD Ryzen 5 7645HX

We compared two laptop CPUs: Intel Core i9 12900HK with 14 cores 2.5GHz and AMD Ryzen 5 7645HX with 6 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900HK 's Advantages

Better graphics card performance

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

Lower TDP (35W vs 45W)

AMD Ryzen 5 7645HX 's Advantages

Released 1 years late

Larger memory bandwidth (83.2GB/s vs 76.8GB/s)

Newer PCIe version (5.0 vs 4.0)

Higher base frequency (4.0GHz vs 2.5GHz)

Larger L3 cache size (32MB vs 24MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900HK +4%

1917

AMD Ryzen 5 7645HX

1827

Cinebench R23 Multi Core

Intel Core i9 12900HK +29%

18259

AMD Ryzen 5 7645HX

14098

Geekbench 6 Single Core

Intel Core i9 12900HK

2361

AMD Ryzen 5 7645HX +15%

2720

Geekbench 6 Multi Core

Intel Core i9 12900HK +2%

12172

AMD Ryzen 5 7645HX

11906

Geekbench 5 Single Core

Intel Core i9 12900HK

1793

AMD Ryzen 5 7645HX +5%

1895

Geekbench 5 Multi Core

Intel Core i9 12900HK +19%

13317

AMD Ryzen 5 7645HX

11141

Intel Core i9 12900HK

VS

AMD Ryzen 5 7645HX

General Parameters

Jan 2022

Release Date

Jan 2023

Intel

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Zen 4 (Dragon Range)

i9-12900HK

Processor Number

-

BGA-1744

Socket

FL1

Iris Xe Graphics (96EU)

Integrated Graphics

Radeon 610M

Package

10 nm

Manufacturing Process

5 nm

BGA-1744

Socket

FL1

35-45 W

Power Consumption

45-75 W

115 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100°C

CPU Performance

6

Performance Cores

6

12

Performance Core Threads

12

2.5 GHz

Performance Core Base Frequency

4.0 GHz

5 GHz

Performance Core Turbo Frequency

5 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.8 GHz

Efficiency Core Base Frequency

-

3.8 GHz

Efficiency Core Turbo Frequency

-

14

Total Core Count

6

20

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

25x

Multiplier

40x

80 K per core

L1 Cache

64 K per core

1280 K per core

L2 Cache

1 MB per core

24 MB shared

L3 Cache

32 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

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

Memory Types

DDR5-5200

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

1500 MHz

1450 MHz

GPU Max Dynamic Frequency

2200 MHz

768

Shader Units

128

48

Texture Units

8

24

Raster Operation Units

4

96

Execution Units

2

15 W

Power Consumption

15 W

1.69 TFLOPS

Graphics Performance

0.49 TFLOPS

Miscellaneous

Intel Core i9 12900HK

Official Website

AMD Ryzen 5 7645HX

4.0

PCIe Version

5.0

28

PCIe Lanes

28

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