Intel Core Ultra X9 378H vs Intel Core i5 8400T
CPU Specs Compare
General Parameters
Release Date
Apr 2026
Apr 2018
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Coffee Lake
Processor Number
378H
i5-8400T
Integrated Graphics
Arc B390
UHD Graphics 630
Generation
Ultra X9 (Panther Lake-H)
-
Package
Manufacturing Process
3 nm
14 nm
Socket
Intel BGA 2540
LGA-1151
Power Consumption
25 W
35 W
Max Turbo Power Consumption
80 W
-
Peak Operating Temperature
100°C
100 °C
Foundry
Intel
-
Package
FC-BGA
-
CPU Performance
Performance Cores
4
6
Performance Core Threads
8
6
Performance Core Base Frequency
2 GHz
1.7 GHz
Performance Core Turbo Frequency
5 GHz
3.3 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
6
Total Thread Count
16
6
Bus Frequency
100 MHz
100 MHz
Multiplier
20.0
17x
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
9 MB shared
Unlocked Multiplier
No
No
SMP
1
-
Memory Parameters
Memory Types
LPDDR5X-9600
DDR4-2666
Max Memory Size
96 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
153.6 GB/s
41.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
350 MHz
GPU Max Dynamic Frequency
2500 MHz
1050 MHz
Shader Units
1024
192
Texture Units
64
24
Raster Operation Units
32
3
Execution Units
12
24
Power Consumption
45
15 W
Max Resolution
-
4096x2304 - 60 Hz
AI Accelerator
Theoretical performance
50 TOPS
-
Miscellaneous
📊 Benchmark
Cinebench R23
-
774
Cinebench R23
-
3,638
Geekbench 6
-
1,120
Geekbench 6
-
3,670
Passmark CPU
-
1,917
Passmark CPU
-
7,447