Intel Core Ultra X9 378H vs Intel Core i5 8259U
CPU Specs Compare
General Parameters
Release Date
Apr 2026
Apr 2018
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Coffee Lake
Processor Number
378H
i5-8259U
Integrated Graphics
Arc B390
Iris Plus Graphics 655
Generation
Ultra X9 (Panther Lake-H)
-
Package
Manufacturing Process
3 nm
14 nm
Socket
Intel BGA 2540
BGA-1528
Power Consumption
25 W
28 W
Max Turbo Power Consumption
80 W
-
Peak Operating Temperature
100°C
100 °C
Foundry
Intel
-
Package
FC-BGA
-
CPU Performance
Performance Cores
4
4
Performance Core Threads
8
8
Performance Core Base Frequency
2 GHz
2.3 GHz
Performance Core Turbo Frequency
5 GHz
3.8 GHz
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1600 MHz
-
Efficiency Core Turbo Frequency
3.8 GHz
-
Total Core Count
16
4
Total Thread Count
16
8
Bus Frequency
100 MHz
-
Multiplier
20.0
23x
L1 Cache
192 KB per core
64 K per core
L2 Cache
2.5 MB per core
256 K per core
L3 Cache
18 MB shared
6 MB shared
Unlocked Multiplier
No
No
SMP
1
-
Memory Parameters
Memory Types
LPDDR5X-9600
DDR4-2400, LPDDR3-2133
Max Memory Size
96 GB
32 GB
Max Memory Channels
2
2
Max Memory Bandwidth
153.6 GB/s
37.5 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
300 MHz
GPU Max Dynamic Frequency
2500 MHz
1050 MHz
Shader Units
1024
384
Texture Units
64
48
Raster Operation Units
32
6
Execution Units
12
48
Power Consumption
45
15 W
Max Resolution
-
4096x2304 - 60 Hz
AI Accelerator
Theoretical performance
50 TOPS
-
Miscellaneous
📊 Benchmark
Geekbench 6
-
1,220
Geekbench 6
-
4,337