CPU INTEL LAPTOP
Intel Core Ultra X9 378H

Intel Core Ultra X9 378H

Codename: Panther Lake Released: Unknown
Total Cores
16
Physical Cores
Total Threads
16
Concurrent Threads
Boost Clock
5000 MHz
Max Turbo Frequency

Technical Highlights

Vendor : Intel
Socket : Custom
Manufacturing Process : 2 nm
TDP (PL1) : 45 W

About this CPU

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

Last updated: April 10, 2026

Overall Score Of Intel Core Ultra X9 378H

This summarizes how Intel Core Ultra X9 378H scores across single-core performance, multi-core performance, CPU architecture, memory architecture, and energy efficiency.

69
Overall
Single-Core Performance
60
Multi-Core Performance
61
CPU Architecture
62
Memory Architecture
61
Energy Efficiency
68

General Information of Intel Core Ultra X9 378H

CPU Name

Intel Core Ultra X9 378H

Vendor

Intel

Generation

Ultra X9 (Panther Lake-H)

Type

Laptop

Instruction Set

x86-64

Codename

Panther Lake

Foundry

Intel

Package and Thermals of Intel Core Ultra X9 378H

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)

45 W

Socket

Custom

CPU Cores of Intel Core Ultra X9 378H

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

2000 MHz

43% of the current best P-Core Base Frequency score

P-Core Turbo Frequency

Excellent

5000 MHz

83% 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

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 378H

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

Max Memory Bandwidth

153.6 GB/s

19% of the current best Max Memory Bandwidth score

ECC Support

No

Performance Charts Of Intel Core Ultra X9 378H

These charts show how Intel Core Ultra X9 378H balances CPU benchmark performance and relative score versus current market leaders.

Performance Radar Chart

Category scores overview (0 to 100)
Intel Core Ultra X9 378H

Performance Benchmarks

Grey is the market top value. Colored bar is Intel Core Ultra X9 378H.
Market Top
Intel Core Ultra X9 378H

Try to Compare Intel Core Ultra X9 378H With Another CPU

You can search and find another cpu to compare.

More CPUs You Might Like to See

If you are still deciding, these are great options to look at next.

Frequently Asked Questions about Intel Core Ultra X9 378H

The Intel Core Ultra X9 378H 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 378H uses the Custom socket. This is a critical specification for compatibility, as it dictates which motherboards can support this processor.

The Intel Core Ultra X9 378H operates at a base clock frequency of 2000 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 378H can reach a maximum turbo boost frequency of 5000 MHz on its performance cores. This allows the CPU to dynamically increase its speed to handle demanding tasks and gaming workloads.

The Intel Core Ultra X9 378H 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.

With an overall performance rating of 69%, the Intel Core Ultra X9 378H is considered a solid mid-range processor in our comprehensive CPU database.

The Intel Core Ultra X9 378H 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 378H has a base power consumption (TDP) of 45 W. This value is important for choosing an adequate CPU cooler and determining your overall system power requirements.

The Intel Core Ultra X9 378H supports LPDDR5X-9600 memory, dictating the RAM speeds and capacities you can pair with this processor.

The Intel Core Ultra X9 378H includes an integrated GPU, meaning you don't strictly need a dedicated graphics card for basic display output.