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Intel Core Ultra X9 388H
Intel Laptop CPU

Intel Core Ultra X9 388H

75A
Cores16
Threads16
Boost Clock5.1 GHz
TDP15-25 W (configurable)
SocketFCBGA2540
Process2 nm
⇄ Compare with…

Benchmarks

Perf.71
iGPU99
Energy82
Cinebench 2024 Single-Core132
Cinebench 2024 Multi-Core1343
TDP15-25 W
Cache L318MB
Cinebench 2024 (Single)132
Cinebench 2024 (Multi)1343
Geekbench 6 (Single-Core)3026
Geekbench 6 (Multi-Core)17,545
Passmark CPU (Single-Core)4297
Passmark CPU (Multi-Core)36,720
Blender CPU297.18
iGPU FLOPS7.7 TFLOPS

Full specifications

Cinebench

Cinebench 2026 (Single)
539
Cinebench 2026 (Multi)
5375

GeekBench v6

File compression
1490 MB/sec
Clang compilation
141.1 Klines/sec
HTML 5 Browser
477.4 pages/sec
PDF Renderer
539.5 Mpixels/sec
Text processing
323.1 pages/sec
Background blur
61.5 images/sec
Photo processing
177.3 images/sec
Ray tracing
28.4 Mpixels/sec

PassMark

Integer math
91.2 GOps/sec
Floating point math
112.9 GOps/sec
Find prime numbers
357M Primes/sec
Random string sorting
43.7M Strings/sec
Data encryption
28.4 GBytes/sec
Data compression
360.2 MBytes/sec
Physics
3207 Frames/sec
Extended instructions
29.7B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
53.7 PPW
Geekbench 6 Multi / Watt
701.8 PPW
Passmark CPU Mark / Watt
1468.8 PPW
Blender / Watt
11.89 PPW

General

Vendor
Intel
Released
January 5, 2026
Type
Laptop
Instruction Set
x86-64
Codename
Panther Lake
Model number
388H
Integrated GPU
Arc B390
AMD Equivalent
- AMD Ryzen AI Max 390

CPU

P-Cores
4
P-Threads
4
Base Frequency (P)
2.1 GHz
Turbo Boost Frequency (P)
5.1 GHz
E-Cores
12
E-Threads
12
Base Frequency (E)
1.6 GHz
Turbo Boost Frequency (E)
4 GHz
Total Cores
16
Total Threads
16
Bus Frequency
100 MHz
Multiplier
21x
L1 Cache
192K (per core)
L2 Cache
3MB (per core)
L3 Cache
18MB (shared)
Unlocked Multiplier
No

Package

Fabrication Process
2 nm
TDP (PL1)
15-25 W (configurable)
Max. Boost TDP (PL2)
80 W
Socket
FCBGA2540
Peak Temperature
100°C

iGPU

Integrated Graphics
Intel Arc B390
GPU Base Clock
300 MHz
GPU Boost Clock
2500 MHz
Shading Units
1536
TMUs
48
ROPs
24
Execution Units
12
TGP
30 W

Memory Support

Memory Types
- LPDDR5X-9600
Max. Memory Size
96 GB
Memory Channels
2
Max. Memory Bandwidth
153.6 GB/s
ECC Support
No

Misc

Official Site
Intel Core Ultra X9 388H official page
PCI Express Version
5.0
PCI Express Lanes
12

Specifications compiled from NanoReview. Last updated 2026-09-29.

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