AMD Ryzen 9 5900H vs Intel Core Ultra X9 388H
CPU Specs Compare
General Parameters
Release Date
Apr 2021
Jan 2026
Manufacturer
AMD
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Cezanne
Panther Lake
Integrated Graphics
Radeon RX 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
45 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
4.6 GHz
5.1 GHz
Total Core Count
8
16
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
21
L1 Cache
64 K per core
192 K per core
L2 Cache
512 K per core
2560 K per core
L3 Cache
16 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
SMP
-
1
Memory Parameters
Memory Types
DDR4-3200, LPDDR4-4266
LPDDR5X-9600
Max Memory Size
64 GB
96 GB
Max Memory Channels
2
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
AI Accelerator
Theoretical performance
-
50 TOPS
📊 Benchmark
Cinebench R23
1,466
-
Cinebench R23
12,815
-
Geekbench 6
2,034
3,026
Geekbench 5
1,528
-
Geekbench 6
7,376
17,541
Geekbench 5
8,790
-
Passmark CPU
3,308
-
Passmark CPU
20,753
-
Cinebench 2024
-
130