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CPU • INTEL • LAPTOP
Intel Core Ultra X9 388H

Intel Core Ultra X9 388H

Codename: Panther Lake Released: January 5, 2026
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Total Cores
16
Physical Cores
Total Threads
16
Concurrent Threads
Boost Clock
5100 MHz
Max Turbo Frequency

Technical Highlights

Vendor : Intel
Socket : FCBGA2540
Manufacturing Process : 2 nm
TDP (PL1) : 15-25 W

About this CPU

Panther Lake laptop CPU with 16 cores and 16 threads, featuring Intel Arc B390 graphics for flagship performance laptops.

Last updated: April 10, 2026
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Overall Scores General Information Package and Thermals CPU Cores Memory Support Benchmarks Performance Charts FAQ

Overall Score Of Intel Core Ultra X9 388H

This summarizes how Intel Core Ultra X9 388H scores across single-core performance, multi-core performance, CPU architecture, memory architecture, and energy efficiency.

78
Overall
Single-Core Performance
81
Multi-Core Performance
70
CPU Architecture
65
Memory Architecture
61
Energy Efficiency
80

General Information of Intel Core Ultra X9 388H

CPU Name

Intel Core Ultra X9 388H

Vendor

Intel

Release Date

January 5, 2026

Type

Laptop

Instruction Set

x86-64

Codename

Panther Lake

Package and Thermals of Intel Core Ultra X9 388H

Manufacturing Process

Top tier

2 nm

100% of the current best Manufacturing Process score

Max Temp (TJMax)

Top tier

100 C

91% of the current best Max Temp (TJMax) score

TDP (PL1)

15-25 W

Max. Boost TDP (PL2)

80 W

Socket

FCBGA2540

CPU Cores of Intel Core Ultra X9 388H

Performance Cores

P-Cores

4

17% of the current best P-Cores score

P-Threads

4

13% of the current best P-Threads score

P-Core Base Frequency

2100 MHz

45% of the current best P-Core Base Frequency score

P-Core Turbo Frequency

Excellent

5100 MHz

85% of the current best P-Core Turbo Frequency score

Efficient Cores

E-Cores

Excellent

12

75% of the current best E-Cores score

E-Threads

Excellent

12

75% of the current best E-Threads score

E-Core Base Frequency

1600 MHz

36% of the current best E-Core Base Frequency score

E-Core Turbo Frequency

Excellent

4000 MHz

85% of the current best E-Core Turbo Frequency score

Total

Total Cores

Good

16

50% of the current best Total Cores score

Total Threads

Good

16

50% of the current best Total Threads score

Multiplier

Locked

Bus Frequency

Top tier

100 MHz

100% of the current best Bus Frequency score

Unlocked Multiplier

No

L1 Cache

Top tier

192 KB

100% of the current best L1 Cache score

L2 Cache

2.5 MB

4% of the current best L2 Cache score

L3 Cache

18 MB

9% of the current best L3 Cache score

NPU

No

Memory Support of Intel Core Ultra X9 388H

Memory Types

Top tier

LPDDR5X-9600

100% of the current best Memory Types score

Max Memory Size

Good

96 GB

19% of the current best Max Memory Size score

Memory Channels

2

3% of the current best Memory Channels score

ECC Support

No

Benchmarks of Intel Core Ultra X9 388H

Geekbench V6

Benchmark results for this category.

Multi-Core:
17,924 (49th)
55% of max score
Single-Core:
3,066 (38th)
72% of max score
Good
File Compression:
1,490
55% of max score
Clang Compression:
141
44% of max score
HTML5 Browser:
477
58% of max score
PDF Renderer:
540
70% of max score
Good
Text Processing:
323
72% of max score
Good
Background Blur:
62
53% of max score
Photo Processing:
177
74% of max score
Good
Ray Tracing:
28
45% of max score

PassMark CPU

Benchmark results for this category.

Multi-Core:
39,049 (54th)
54% of max score
Single-Core:
4,594 MOps/Sec
78% of max score
Excellent
Integer Math:
90,600 MOps/Sec
37% of max score
Floating Point:
112,300 MOps/Sec
49% of max score
Prime Numbers:
381 Million Primes/Sec
36% of max score
String Sorting:
48,700 Thousand Strings/Sec
40% of max score
Data Encryption:
30,000 MBytes/Sec
51% of max score
Data Compression:
392,300 KBytes/Sec
37% of max score
Physics:
3,460 Frames/Sec
39% of max score
Extended Instructions:
32,900 Million Matrices/Sec
44% of max score

Cinebench 2024

Benchmark results for this category.

Multi-Core:
1,324 (63rd)
42% of max score
Single-Core:
130
63% of max score
Good

Performance Charts Of Intel Core Ultra X9 388H

These charts show how Intel Core Ultra X9 388H balances CPU benchmark performance and relative score versus current market leaders.

Performance Radar Chart

Category scores overview (0 to 100)
Intel Core Ultra X9 388H

Performance Benchmarks

Grey is the market top value. Colored bar is Intel Core Ultra X9 388H.
Market Top
Intel Core Ultra X9 388H

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Frequently Asked Questions about Intel Core Ultra X9 388H

The Intel Core Ultra X9 388H was officially released in January 5, 2026, targeting the Laptop market.

The Intel Core Ultra X9 388H is equipped with 16 cores and 16 threads, making it a powerhouse for heavily threaded professional workloads like video editing and 3D rendering.

The Intel Core Ultra X9 388H uses the FCBGA2540 socket. This is a critical specification for compatibility, as it dictates which motherboards can support this processor.

The Intel Core Ultra X9 388H operates at a base clock frequency of 2100 MHz for its performance cores (and 1600 MHz for E-cores). This is the speed the processor runs at under normal, non-intensive workloads.

The Intel Core Ultra X9 388H can reach a maximum turbo boost frequency of 5100 MHz on its performance cores (and 4000 MHz for E-cores). This allows the CPU to dynamically increase its speed to handle demanding tasks and gaming workloads.

The Intel Core Ultra X9 388H has a maximum junction temperature (TjMax) of 100 C. This is the maximum temperature possible before the processor initiates thermal throttling or shuts down to prevent permanent damage.

The Intel Core Ultra X9 388H achieves a multi-core score of 1,324 on Cinebench 2024, reflecting its capability in multi-threaded creative and rendering applications.

The Intel Core Ultra X9 388H scores 3,066 on the Geekbench v6 single-core test, indicating how snappy and responsive it will feel in everyday applications and most games.

With an overall performance rating of 78%, the Intel Core Ultra X9 388H is considered a high-performance processor in our comprehensive CPU database.

The Intel Core Ultra X9 388H features 18 MB of L3 cache. A larger cache helps the processor access frequently used data faster, which can significantly boost gaming performance.

The Intel Core Ultra X9 388H has a base power consumption (TDP) of 15-25 W. This value is important for choosing an adequate CPU cooler and determining your overall system power requirements.

The Intel Core Ultra X9 388H supports LPDDR5X-9600 memory, dictating the RAM speeds and capacities you can pair with this processor.

The Intel Core Ultra X9 388H includes an integrated GPU, meaning you don't strictly need a dedicated graphics card for basic display output.