Product Compare

AMD Ryzen 9 4900H vs Intel Core Ultra X9 388H

CPU CPU
General Parameters
Release Date Mar 2020 Jan 2026
Manufacturer AMD Intel
Type Laptop Laptop
Instruction Set x86-64 x86-64
Core Architecture Zen 2 Panther Lake
Integrated Graphics Radeon Vega 8 Arc B390
Processor Number 388H
Generation Ultra X9 (Panther Lake-H)
Package
Manufacturing Process 7 nm 2 nm
Socket FP6 FCBGA2540
Power Consumption 35-54 W 15-25 W
Peak Operating Temperature 105 °C 100 °C
Max Turbo Power Consumption 80 W
Foundry Intel
Package FC-BGA
CPU Performance
Performance Cores 8 4
Performance Core Threads 16 4
Performance Core Base Frequency 3.3 GHz 2.1 GHz
Performance Core Turbo Frequency 4.4 GHz 5.1 GHz
Total Core Count 8 16
Total Thread Count 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 33x 21
L2 Cache 512 K per core 2560 K per core
L3 Cache 8 MB shared 18 MB shared
Unlocked Multiplier No No
Efficiency Cores 12
Efficiency Core Threads 12
Efficiency Core Base Frequency 1.6 GHz
Efficiency Core Turbo Frequency 4 GHz
L1 Cache 192 K per core
SMP 1
Memory Parameters
Memory Types DDR4-3200, LPDDR4X-4266 LPDDR5X-9600
Max Memory Size 64 GB 96 GB
Max Memory Channels 4 2
Max Memory Bandwidth 68.27 GB/s 153.6 GB/s
ECC Memory Support Yes No
Graphics Card Parameters
Integrated Graphics true true
GPU Max Dynamic Frequency 1750 MHz 2500 MHz
Shader Units 512 1536
Texture Units 32 48
Raster Operation Units 8 24
Power Consumption 15 W 45
GPU Base Frequency 300 MHz
Execution Units 12
Miscellaneous
Official Website Official Link ↗ Official Link ↗
PCIe Version 3.0 5.0
PCIe Lanes 16 12
AI Accelerator
Theoretical performance 50 TOPS
Benchmarks
Geekbench 6 Single Core 1678 3026
Geekbench 6 Multi Core 6103 17541