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Laptop

Intel Core Ultra X9 388H

Multicore performance
36,699
Single-core performance
4,293
Estimated price
Not listed
Processor specifications
Normalized fields from the source detail page.
Class
Laptop
Socket
FCBGA2540
Base clock
2.1 GHz
Turbo clock
5.1 GHz
Cores
16
Threads
16
Typical TDP
25 W
Release / first seen
Q1 2026
Cache per CPU package
Source values are kept verbatim to preserve package multipliers.
L1 Instruction Cache
4 x 64 KB
L1 Data Cache
4 x 48 KB
L2 Cache
4 x 3072 KB
L3 Cache
18 MB
Eff. L1 Instruction Cache
12 x 64 KB
Eff. L1 Data Cache
12 x 32 KB
Eff. L2 Cache
3 x 4096 KB
Additional source specifications
Variant-specific fields are stored alongside the normalized schema.
Description
Intel Arc B390 GPU, Intel AI Boost
Total Cores
16 Cores, 16 Threads
Performance Cores
4 Cores, 4 Threads, 2.1 GHz Base, 5.1 GHz Turbo
Efficient Cores
12 Cores, 12 Threads, 1.6 GHz Base, 3.8 GHz Turbo
TDP Down
15 W
TDP Up
80 W
Memory Support
Max. Memory Size: 96 GB (Up to LPDDR5X 9600 MT/s)