Intel Core i5 10400F vs Intel Core Ultra X9 378H
CPU · Specs Compare
General Parameters
Release Date
May 2020
Apr 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Comet Lake
Panther Lake
Processor Number
i5-10400F
378H
Integrated Graphics
N/A
Arc B390
Generation
—
Ultra X9 (Panther Lake-H)
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-1200
Intel BGA 2540
Power Consumption
65 W
25 W
Peak Operating Temperature
100 °C
100°C
Max Turbo Power Consumption
—
80 W
Foundry
—
Intel
Package
—
FC-BGA
CPU Performance
Performance Cores
6
4
Performance Core Threads
12
8
Performance Core Base Frequency
2.9 GHz
2 GHz
Performance Core Turbo Frequency
4.3 GHz
5 GHz
Total Core Count
6
16
Total Thread Count
12
16
Bus Frequency
100 MHz
100 MHz
Multiplier
29x
20.0
L1 Cache
64 K per core
192 KB per core
L2 Cache
256 K per core
2.5 MB per core
L3 Cache
12 MB shared
18 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
1600 MHz
Efficiency Core Turbo Frequency
—
3.8 GHz
SMP
—
1
Memory Parameters
Memory Types
DDR4-2666
LPDDR5X-9600
Max Memory Size
128 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
153.6 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
5
PCIe Lanes
16
4
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
800 MHz
GPU Max Dynamic Frequency
—
2500 MHz
Shader Units
—
1024
Texture Units
—
64
Raster Operation Units
—
32
Execution Units
—
12
Power Consumption
—
45
AI Accelerator
Theoretical performance
—
50 TOPS
Benchmark
Cinebench R23
1,101
—
Cinebench R23
7,576
—
Geekbench 6
1,459
—
Geekbench 5
1,101
—
Geekbench 6
6,209
—
Geekbench 5
6,041
—
Blender
143
—
Passmark CPU
2,551
—
Passmark CPU
12,350
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.