Intel Core Ultra 5 135H vs Intel Core Ultra X9 388H
CPU · Specs Compare
General Parameters
Release Date
Dec 2023
Jan 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Meteor Lake
Panther Lake
Processor Number
135H
388H
Integrated Graphics
Arc Graphics (8-Cores)
Arc B390
Generation
Ultra 5 (Meteor Lake)
Ultra X9 (Panther Lake-H)
Package
Manufacturing Process
7 nm
2 nm
Socket
FCBGA-2049
FCBGA2540
Power Consumption
20-28 W
15-25 W
Max Turbo Power Consumption
115 W
80 W
Peak Operating Temperature
110 °C
100 °C
Foundry
Intel
Intel
Package
FC-BGA
FC-BGA
CPU Performance
Performance Cores
4
4
Performance Core Threads
8
4
Performance Core Base Frequency
1.7 GHz
2.1 GHz
Performance Core Turbo Frequency
4.6 GHz
5.1 GHz
Efficiency Cores
10
12
Efficiency Core Threads
10
12
Efficiency Core Base Frequency
1.2 GHz
1.6 GHz
Efficiency Core Turbo Frequency
3.6 GHz
4 GHz
Total Core Count
14
16
Total Thread Count
18
16
Bus Frequency
100 MHz
100 MHz
Multiplier
17
21
L1 Cache
112 K per core
192 K per core
L2 Cache
2 MB per core
2560 K per core
L3 Cache
18 MB shared
18 MB shared
Unlocked Multiplier
No
No
SMP
1
1
Memory Parameters
Memory Types
LPDDR5-7467,LPDDR5x-7467,DDR5-5600
LPDDR5X-9600
Max Memory Size
96 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
120 GB/s
153.6 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
2200 MHz
2500 MHz
Shader Units
1024
1536
Texture Units
64
48
Raster Operation Units
32
24
Execution Units
128
12
Power Consumption
28
45
Max Resolution
7680x4320 - 60 Hz
—
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
28
12
AI Accelerator
Theoretical performance
—
50 TOPS
Benchmark
Cinebench R23
1,739
—
Cinebench R23
13,888
—
Geekbench 6
2,337
3,026
Geekbench 6
11,782
17,541
Cinebench 2024
106
130
Cinebench 2024
790
—
Passmark CPU
3,525
—
Passmark CPU
22,460
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.