Intel Core Ultra 7 255H vs Intel Core i7 11390H
We compared two laptop CPUs: Intel Core Ultra 7 255H with 16 cores 2.0GHz and Intel Core i7 11390H with 4 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255H 's Advantages
Released 3 years and 7 months late
Higher specification of memory (8400 vs 4267)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (3nm vs 10nm)
Lower TDP (28W vs 35W)
Intel Core i7 11390H 's Advantages
Higher base frequency (3.4GHz vs 2.0GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255H
+26%
2029
Intel Core i7 11390H
1599
Cinebench R23 Multi Core
Intel Core Ultra 7 255H
+222%
20521
Intel Core i7 11390H
6358
Geekbench 6 Single Core
Intel Core Ultra 7 255H
+48%
2823
Intel Core i7 11390H
1895
Geekbench 6 Multi Core
Intel Core Ultra 7 255H
+176%
15662
Intel Core i7 11390H
5672
General Parameters
Jan 2025
Release Date
Jun 2021
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Tiger Lake-H35
255H
Processor Number
i7-11390H
FCBGA-2049
Socket
BGA-1449
Arc Graphics 140T
Integrated Graphics
Iris Xe Graphics G7 96EU
Package
3 nm
Manufacturing Process
10 nm
20-28 W
Power Consumption
28-35 W
115 W
Max Turbo Power Consumption
-
110 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
4
6
Performance Core Threads
8
2.0 GHz
Performance Core Base Frequency
2.9-3.4 GHz
5.1 GHz
Performance Core Turbo Frequency
5 GHz
10
Efficiency Cores
-
10
Efficiency Core Threads
-
1.5 GHz
Efficiency Core Base Frequency
-
4.4 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
4
16
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
20
Multiplier
29-34x
112 K per core
L1 Cache
96 K per core
2 MB per core
L2 Cache
1280 K per core
24 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
DDR4-3200, LPDDR4x-4267
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
51.2 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
2250 MHz
GPU Max Dynamic Frequency
1400 MHz
-
Shader Units
768
-
Texture Units
48
-
Raster Operation Units
24
-
Execution Units
96
-
Power Consumption
15 W
-
Graphics Performance
1.69 TFLOPS
