Intel Core Ultra 9 386H vs Intel Core Ultra 7 255H
CPU Specs Compare
General Parameters
Release Date
Jan 2026
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Arrow Lake
Processor Number
386H
255H
Integrated Graphics
Graphics 4 Xe3
Arc Graphics 140T
Generation
Intel Core Ultra Series 3
-
Package
Manufacturing Process
3 nm
3 nm
Socket
Custom
FCBGA-2049
Power Consumption
15-25 W
20-28 W
Max Turbo Power Consumption
80 W
115 W
Peak Operating Temperature
100 °C
110 °C
CPU Performance
Performance Cores
4
6
Performance Core Threads
4
6
Performance Core Base Frequency
2.1 GHz
2.0 GHz
Performance Core Turbo Frequency
4.9 GHz
5.1 GHz
Efficiency Cores
12
10
Efficiency Core Threads
12
10
Efficiency Core Base Frequency
1.6 GHz
1.5 GHz
Efficiency Core Turbo Frequency
3.9 GHz
4.4 GHz
Total Core Count
16
16
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
20
20
L1 Cache
192 K per core
112 K per core
L2 Cache
2560 K per core
2 MB per core
L3 Cache
18 MB shared
24 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
LPDDR5X-8533,DDR5-7200
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
136.5 GB/s
-
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
800 MHz
-
GPU Max Dynamic Frequency
2500 MHz
2250 MHz
Shader Units
1024
-
Texture Units
64
-
Raster Operation Units
32
-
Execution Units
4
-
Power Consumption
25
-
Max Resolution
7680 x 4320 @ 60Hz
-
AI Accelerator
Theoretical performance
50 TOPS
-
📊 Benchmark
Cinebench R23
2,002
2,029
Cinebench R23
17,506
20,521
Geekbench 6
2,890
2,823
Geekbench 6
17,693
15,662
Cinebench 2024
120
115
Cinebench 2024
998
1,102
Blender
-
278