Intel Core Ultra 9 285K vs Intel Core Ultra X9 388H
CPU Specs Compare
General Parameters
Release Date
Oct 2024
Jan 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Panther Lake
Processor Number
285K
388H
Integrated Graphics
Arc iGPU (4-Cores)
Arc B390
Generation
Ultra 9(Arrow Lake)
Ultra X9 (Panther Lake-H)
Package
Manufacturing Process
3 nm
2 nm
Socket
FCLGA-1851
FCBGA2540
Power Consumption
125 W
15-25 W
Max Turbo Power Consumption
250 W
80 W
Peak Operating Temperature
105 °C
100 °C
Foundry
TSMC
Intel
Package
FC-LGA18W
FC-BGA
CPU Performance
Performance Cores
8
4
Performance Core Threads
8
4
Performance Core Base Frequency
3.7 GHz
2.1 GHz
Performance Core Turbo Frequency
5.5 GHz
5.1 GHz
Efficiency Cores
16
12
Efficiency Core Threads
16
12
Efficiency Core Base Frequency
3.2 GHz
1.6 GHz
Efficiency Core Turbo Frequency
4.6 GHz
4 GHz
Total Core Count
24
16
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
37
21
L1 Cache
112 K per core
192 K per core
L2 Cache
3 MB per core
2560 K per core
L3 Cache
36 MB shared
18 MB shared
Unlocked Multiplier
Yes
No
SMP
1
1
Memory Parameters
Memory Types
DDR5-6400
LPDDR5X-9600
Max Memory Size
192 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
153.6 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
2000 MHz
2500 MHz
Shader Units
512
1536
Texture Units
32
48
Raster Operation Units
16
24
Execution Units
64
12
Power Consumption
14
45
AI Accelerator
Theoretical performance
-
50 TOPS
📊 Benchmark
Cinebench R23
2,318
-
Cinebench R23
41,583
-
Geekbench 6
3,380
3,026
Geekbench 6
23,087
17,541
Cinebench 2024
142
130
Cinebench 2024
2,357
-
Blender
656
-
Passmark CPU
5,080
-
Passmark CPU
67,744
-