Intel Core Ultra X9 378H vs Intel Core Ultra 5 338H
CPU · Specs Compare
General Parameters
Release Date
Apr 2026
Jan 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Panther Lake
Processor Number
378H
338H
Integrated Graphics
Arc B390
Arc B370
Generation
Ultra X9 (Panther Lake-H)
Intel Core Ultra Series 3
Package
Manufacturing Process
3 nm
3 nm
Socket
Intel BGA 2540
Custom
Power Consumption
25 W
15-25 W
Max Turbo Power Consumption
80 W
80 W
Peak Operating Temperature
100°C
100 °C
Foundry
Intel
—
Package
FC-BGA
—
CPU Performance
Performance Cores
4
4
Performance Core Threads
8
4
Performance Core Base Frequency
2 GHz
1.9 GHz
Performance Core Turbo Frequency
5 GHz
4.7 GHz
Efficiency Cores
12
8
Efficiency Core Threads
12
8
Efficiency Core Base Frequency
1600 MHz
1.5 GHz
Efficiency Core Turbo Frequency
3.8 GHz
3.6 GHz
Total Core Count
16
12
Total Thread Count
16
12
Bus Frequency
100 MHz
100 MHz
Multiplier
20.0
19
L1 Cache
192 KB per core
192 K per core
L2 Cache
2.5 MB per core
2560 K per core
L3 Cache
18 MB shared
18 MB shared
Unlocked Multiplier
No
No
SMP
1
—
Memory Parameters
Memory Types
LPDDR5X-9600
LPDDR5X-8533
Max Memory Size
96 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
153.6 GB/s
153.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
800 MHz
GPU Max Dynamic Frequency
2500 MHz
2400 MHz
Shader Units
1024
1024
Texture Units
64
64
Raster Operation Units
32
32
Execution Units
12
10
Power Consumption
45
45
Max Resolution
—
7680 x 4320 @ 60Hz
AI Accelerator
Theoretical performance
50 TOPS
50 TOPS
Miscellaneous
PCIe Version
5
5.0
PCIe Lanes
4
12
Benchmark
Cinebench R23
—
1,988
Cinebench R23
—
16,565
Geekbench 6
—
2,743
Geekbench 6
—
14,448
Cinebench 2024
—
123
Cinebench 2024
—
1,000
▲ Specs Compare
Data sourced from official specifications and benchmark tests.