INTEL
Intel Core Ultra X9 388H
The Intel Core Ultra X9 388H is a laptop-class CPU manufactured by Intel, built on Intel's officially announced 2 nm process technology, released in January 2026. This processor features a 16-core 16-thread architecture design, with a base clock of 300 MHz and a maximum boost clock reaching up to 4 GHz, equipped with 18 MB shared of L3 cache, utilizing the FCBGA2540 socket. Overall specifications are targeted at laptop application scenarios.
Processor Number
388H
Core Architecture
Panther Lake
Performance Core Threads
4
Max Turbo Power Consumption
80 W
Performance Core Base Frequency
2.1 GHz
Power Consumption
15-25 W
L1 Cache
192 K per core
Socket
FCBGA2540
Max Memory Size
96 GB
Memory Types
LPDDR5X-9600
Max Memory Bandwidth
153.6 GB/s
Shader Units
1536
General Parameters
Release Date
Jan 2026
Manufacturer
Intel
Type
Laptop
Instruction Set
i
x86-64
Core Architecture
Panther Lake
Processor Number
388H
Integrated Graphics
i
Arc B390
Generation
Ultra X9 (Panther Lake-H)
Package
Manufacturing Process
2 nm
Socket
FCBGA2540
Power Consumption
15-25 W
Max Turbo Power Consumption
80 W
Peak Operating Temperature
100 °C
Foundry
Intel
Package
FC-BGA
CPU Performance
Performance Cores
4
Performance Core Threads
4
Performance Core Base Frequency
2.1 GHz
Performance Core Turbo Frequency
5.1 GHz
Efficiency Cores
12
Efficiency Core Threads
12
Efficiency Core Base Frequency
1.6 GHz
Efficiency Core Turbo Frequency
4 GHz
Total Core Count
16
Total Thread Count
16
Bus Frequency
100 MHz
Multiplier
21
L1 Cache
192 K per core
L2 Cache
2560 K per core
L3 Cache
18 MB shared
Unlocked Multiplier
No
SMP
1
Memory Parameters
Memory Types
LPDDR5X-9600
Max Memory Size
96 GB
Max Memory Channels
2
Max Memory Bandwidth
153.6 GB/s
ECC Memory Support
No
Graphics Card Parameters
Integrated Graphics
true
GPU Base Frequency
300 MHz
GPU Max Dynamic Frequency
2500 MHz
Shader Units
i
1536
Texture Units
i
48
Raster Operation Units
i
24
Execution Units
12
Power Consumption
45
AI Accelerator
Theoretical performance
50 TOPS