Intel Core Ultra 7 356H vs Intel Core Ultra X9 388H
CPU Specs Compare
General Parameters
Release Date
Jan 2026
Jan 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Panther Lake
Processor Number
356H
388H
Integrated Graphics
Graphics 4 Xe3
Arc B390
Generation
Intel Core Ultra Series 3
Ultra X9 (Panther Lake-H)
Package
Manufacturing Process
3 nm
2 nm
Socket
Custom
FCBGA2540
Power Consumption
15-25 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
4
4
Performance Core Base Frequency
1.9 GHz
2.1 GHz
Performance Core Turbo Frequency
4.7 GHz
5.1 GHz
Efficiency Cores
12
12
Efficiency Core Threads
12
12
Efficiency Core Base Frequency
1.5 GHz
1.6 GHz
Efficiency Core Turbo Frequency
3.7 GHz
4 GHz
Total Core Count
16
16
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
19
21
L1 Cache
192 K per core
192 K per core
L2 Cache
2560 K 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-8533,DDR5-7200
LPDDR5X-9600
Max Memory Size
128 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
136.5 GB/s
153.6 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
2450 MHz
2500 MHz
Shader Units
1024
1536
Texture Units
64
48
Raster Operation Units
32
24
Execution Units
4
12
Power Consumption
25
45
AI Accelerator
Theoretical performance
50 TOPS
50 TOPS
📊 Benchmark
Cinebench R23
2,003
-
Cinebench R23
18,102
-
Geekbench 6
2,738
3,026
Geekbench 6
15,294
17,541
Cinebench 2024
120
130
Cinebench 2024
1,085
-