Home GPU Comparison Intel Core i9 12900H vs AMD Ryzen 9 5900H

Intel Core i9 12900H vs AMD Ryzen 9 5900H

We compared two laptop CPUs: Intel Core i9 12900H with 14 cores 2.5GHz and AMD Ryzen 9 5900H with 8 cores 3.3GHz . 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
Released 9 months late
Higher specification of memory (5200 vs 4266)
Larger memory bandwidth (76.8GB/s vs 68.27GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (24MB vs 16MB)
AMD Ryzen 9 5900H 's Advantages
Higher base frequency (3.3GHz vs 2.5GHz)
More modern manufacturing process (7nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 12900H +30%
1906
AMD Ryzen 9 5900H
1466
Cinebench R23 Multi Core
Intel Core i9 12900H +28%
16503
AMD Ryzen 9 5900H
12815
Geekbench 6 Single Core
Intel Core i9 12900H +17%
2397
AMD Ryzen 9 5900H
2034
Geekbench 6 Multi Core
Intel Core i9 12900H +62%
11973
AMD Ryzen 9 5900H
7376
Geekbench 5 Single Core
Intel Core i9 12900H +20%
1839
AMD Ryzen 9 5900H
1528
Geekbench 5 Multi Core
Intel Core i9 12900H +44%
12692
AMD Ryzen 9 5900H
8790
Passmark CPU Single Core
Intel Core i9 12900H +15%
3811
AMD Ryzen 9 5900H
3308
Passmark CPU Multi Core
Intel Core i9 12900H +36%
28264
AMD Ryzen 9 5900H
20753

General Parameters

Jan 2022
Release Date
Apr 2021
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Cezanne
i9-12900H
Processor Number
-
BGA-1744
Socket
FP6
Iris Xe Graphics (96EU)
Integrated Graphics
Radeon RX Vega 8
-
-
-

Package

-
-
-
10 nm
Manufacturing Process
7 nm
-
-
-
35-45 W
Power Consumption
45 W
115 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
105 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

CPU Performance

6
Performance Cores
8
12
Performance Core Threads
16
2.5 GHz
Performance Core Base Frequency
3.3 GHz
5 GHz
Performance Core Turbo Frequency
4.6 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
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
25x
Multiplier
33x
-
-
-
80 K per core
L1 Cache
64 K per core
1280 K per core
L2 Cache
512 K per core
24 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
-
-
-
-
-
-
-
-
-
-
-
-
-

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR4-3200, LPDDR4-4266
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
68.27 GB/s
No
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1450 MHz
GPU Max Dynamic Frequency
1750 MHz
768
Shader Units
512
48
Texture Units
32
24
Raster Operation Units
8
96
Execution Units
-
15 W
Power Consumption
15 W
-
-
-
1.69 TFLOPS
Graphics Performance
-

AI Accelerator

-
-
-
-
-
-

Miscellaneous

Official Website
-
4.0
PCIe Version
3.0
28
PCIe Lanes
16
-
-
-
-
© 2025 - TopCPU.net