Intel Core Ultra 7 255H vs Intel Core i9 11900H
We compared two laptop CPUs: Intel Core Ultra 7 255H with 16 cores 2.0GHz and Intel Core i9 11900H with 8 cores 2.1GHz . 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 8 months late
Higher specification of memory (8400 vs 3200)
Newer PCIe version (5.0 vs 4.0)
More modern manufacturing process (3nm vs 10nm)
Lower TDP (28W vs 45W)
Intel Core i9 11900H 's Advantages
Higher base frequency (2.5GHz vs 2.0GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255H
+28%
2029
Intel Core i9 11900H
1578
Cinebench R23 Multi Core
Intel Core Ultra 7 255H
+70%
20521
Intel Core i9 11900H
12038
Geekbench 6 Single Core
Intel Core Ultra 7 255H
+34%
2823
Intel Core i9 11900H
2106
Geekbench 6 Multi Core
Intel Core Ultra 7 255H
+118%
15662
Intel Core i9 11900H
7160
General Parameters
Jan 2025
Release Date
May 2021
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Tiger Lake H45
255H
Processor Number
i9-11900H
FCBGA-2049
Socket
BGA-1787
Arc Graphics 140T
Integrated Graphics
UHD Graphics for 11th Gen (32 EU)
Package
3 nm
Manufacturing Process
10 nm
20-28 W
Power Consumption
35-45 W
115 W
Max Turbo Power Consumption
-
110 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
8
6
Performance Core Threads
16
2.0 GHz
Performance Core Base Frequency
2.1-2.5 GHz
5.1 GHz
Performance Core Turbo Frequency
4.9 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
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
20
Multiplier
21-25x
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
24 MB shared
No
Unlocked Multiplier
No
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
DDR4-3200
128 GB
Max Memory Size
128 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
350 MHz
2250 MHz
GPU Max Dynamic Frequency
1450 MHz
-
Shader Units
256
-
Texture Units
16
-
Raster Operation Units
8
-
Execution Units
32
-
Power Consumption
15 W
-
Graphics Performance
0.742 TFLOPS
