Intel Core i9 14900KS vs Intel Core Ultra X9 388H
CPU Specs Compare
General Parameters
Release Date
Mar 2024
Jan 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Raptor Lake Refresh
Panther Lake
Processor Number
i9-14900KS
388H
Integrated Graphics
UHD Graphics 770
Arc B390
Generation
-
Ultra X9 (Panther Lake-H)
Package
Manufacturing Process
10 nm
2 nm
Socket
LGA-1700
FCBGA2540
Power Consumption
150 W
15-25 W
Max Turbo Power Consumption
253 W
80 W
Peak Operating Temperature
100°C
100 °C
Foundry
-
Intel
Package
-
FC-BGA
CPU Performance
Performance Cores
8
4
Performance Core Threads
16
4
Performance Core Base Frequency
3.2 GHz
2.1 GHz
Performance Core Turbo Frequency
6.2 GHz
5.1 GHz
Efficiency Cores
16
12
Efficiency Core Threads
16
12
Efficiency Core Base Frequency
2.4 GHz
1.6 GHz
Efficiency Core Turbo Frequency
4.5 GHz
4 GHz
Total Core Count
24
16
Total Thread Count
32
16
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
21
L1 Cache
80 K per core
192 K per core
L2 Cache
2 MB per core
2560 K per core
L3 Cache
36 MB shared
18 MB shared
Unlocked Multiplier
Yes
No
SMP
-
1
Memory Parameters
Memory Types
DDR5-5600, DDR4-3200
LPDDR5X-9600
Max Memory Size
192 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 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
1650 MHz
2500 MHz
Shader Units
256
1536
Texture Units
16
48
Raster Operation Units
8
24
Execution Units
32
12
Power Consumption
15 W
45
AI Accelerator
Theoretical performance
-
50 TOPS
📊 Benchmark
Cinebench R23
2,398
-
Cinebench R23
40,976
-
Geekbench 6
3,444
3,026
Geekbench 6
24,020
17,541
Cinebench 2024
142
130
Cinebench 2024
2,158
-
Blender
603
-
Passmark CPU
4,990
-
Passmark CPU
65,287
-