Intel Core Ultra 5 338H
The Intel Core Ultra 5 338H is a laptop-class CPU manufactured by Intel, built on Intel's officially announced 3 nm process technology, released in January 2026. This processor features a 12-core 12-thread architecture design, with a base clock of 800 MHz and a maximum boost clock reaching up to 3.6 GHz, equipped with 18 MB shared of L3 cache, utilizing the Custom socket. Overall specifications are targeted at laptop application scenarios.
Processor Number
338H
Core Architecture
Panther Lake
Performance Core Threads
4
Max Turbo Power Consumption
80 W
Performance Core Base Frequency
1.9 GHz
Power Consumption
15-25 W
L1 Cache
192 K per core
Socket
Custom
Max Memory Size
96 GB
Memory Types
LPDDR5X-8533
Max Memory Bandwidth
153.6 GB/s
Shader Units
1024
General Parameters
Release Date
Jan 2026
Manufacturer
Intel
Type
Laptop
Instruction Set
i
x86-64
Core Architecture
Panther Lake
Processor Number
338H
Integrated Graphics
i
Arc B370
Generation
Intel Core Ultra Series 3
Package
Manufacturing Process
3 nm
Socket
Custom
Power Consumption
15-25 W
Max Turbo Power Consumption
80 W
Peak Operating Temperature
100 °C
CPU Performance
Performance Cores
4
Performance Core Threads
4
Performance Core Base Frequency
1.9 GHz
Performance Core Turbo Frequency
4.7 GHz
Efficiency Cores
8
Efficiency Core Threads
8
Efficiency Core Base Frequency
1.5 GHz
Efficiency Core Turbo Frequency
3.6 GHz
Total Core Count
12
Total Thread Count
12
Bus Frequency
100 MHz
Multiplier
19
L1 Cache
192 K per core
L2 Cache
2560 K per core
L3 Cache
18 MB shared
Unlocked Multiplier
No
Memory Parameters
Memory Types
LPDDR5X-8533
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
800 MHz
GPU Max Dynamic Frequency
2400 MHz
Shader Units
i
1024
Texture Units
i
64
Raster Operation Units
i
32
Execution Units
10
Power Consumption
45
Max Resolution
7680 x 4320 @ 60Hz
AI Accelerator
Theoretical performance
50 TOPS