Intel Core Ultra X9 388H vs Intel Core i9 11900
CPU Specs Compare
General Parameters
Release Date
Jan 2026
Mar 2021
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Rocket Lake
Processor Number
388H
i9-11900
Integrated Graphics
Arc B390
UHD Graphics 750
Generation
Ultra X9 (Panther Lake-H)
-
Package
Manufacturing Process
2 nm
14 nm
Socket
FCBGA2540
LGA-1200
Power Consumption
15-25 W
65 W
Max Turbo Power Consumption
80 W
-
Peak Operating Temperature
100 °C
100 °C
Foundry
Intel
-
Package
FC-BGA
-
CPU Performance
Performance Cores
4
8
Performance Core Threads
4
16
Performance Core Base Frequency
2.1 GHz
2.5 GHz
Performance Core Turbo Frequency
5.1 GHz
5.2 GHz
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.6 GHz
-
Efficiency Core Turbo Frequency
4 GHz
-
Total Core Count
16
8
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
21
25x
L1 Cache
192 K per core
64 K per core
L2 Cache
2560 K per core
512 K per core
L3 Cache
18 MB shared
16 MB shared
Unlocked Multiplier
No
No
SMP
1
-
Memory Parameters
Memory Types
LPDDR5X-9600
DDR4-3200
Max Memory Size
96 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
153.6 GB/s
50 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
2500 MHz
1300 MHz
Shader Units
1536
256
Texture Units
48
64
Raster Operation Units
24
32
Execution Units
12
32
Power Consumption
45
15 W
Max Resolution
-
3840x2160 - 60 Hz
AI Accelerator
Theoretical performance
50 TOPS
-
📊 Benchmark
Geekbench 6
3,026
2,152
Geekbench 6
17,541
5,320
Cinebench 2024
130
-
Cinebench R23
-
1,451
Cinebench R23
-
13,236
Blender
-
145