Intel Core i9 12900H vs AMD Ryzen 5 7645HX

VS

Intel Core i9 12900H

AMD Ryzen 5 7645HX

We compared two laptop CPUs: Intel Core i9 12900H 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 12900H 's Advantages

Better graphics card performance

Lower TDP (45W vs 75W)

AMD Ryzen 5 7645HX 's Advantages

Released 1 years late

Higher specification of memory (5200 vs 5200)

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)

More modern manufacturing process (5nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900H +5%

1906

AMD Ryzen 5 7645HX

1800

Cinebench R23 Multi Core

Intel Core i9 12900H +18%

16503

AMD Ryzen 5 7645HX

13954

Geekbench 6 Single Core

Intel Core i9 12900H

2397

AMD Ryzen 5 7645HX +13%

2720

Geekbench 6 Multi Core

Intel Core i9 12900H

11973

AMD Ryzen 5 7645HX

11906

Geekbench 5 Single Core

Intel Core i9 12900H

1839

AMD Ryzen 5 7645HX +3%

1895

Geekbench 5 Multi Core

Intel Core i9 12900H +13%

12692

AMD Ryzen 5 7645HX

11141

Intel Core i9 12900H

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)

i9-12900H

Processor Number

-

BGA-1744

Socket

FL1

Iris Xe Graphics (96EU)

Integrated Graphics

Radeon 610M

Package

10 nm

Manufacturing Process

5 nm

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

No

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 12900H

Official Website

AMD Ryzen 5 7645HX

4.0

PCIe Version

5.0

28

PCIe Lanes

28

Related CPU Comparisons

1

Intel Core i9 12900H vs Intel Core i7 1185G7

2

Intel Core i9 12900H vs AMD Ryzen 5 6600H

3

Intel Core i9 12900H vs AMD Ryzen 3 4300U

4

Intel Core i9 12900H vs Intel Core Ultra 9 285HX

5

Intel Core i9 12900H vs AMD Ryzen 7 PRO 8845HS

6

Intel Core i9 12900H vs Apple M4 Ultra

7

Intel Core i9 12900H vs Intel Core 7 150UL

8

Intel Core i9 12900H vs Intel Core i9 13980HX

9

Intel Core i9 12900H vs AMD Ryzen 5 3450U

10

Intel Core i9 12900H vs Intel Core i7 13650HX

Related News

1

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

2

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

3

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

4

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

5

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

6

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

7

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

8

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

9

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

10

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU