Intel Core Ultra 7 255U vs Intel Core i9 11900
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Mar 2021
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Rocket Lake
Processor Number
255U
i9-11900
Integrated Graphics
Arc Graphics (4-Cores)
UHD Graphics 750
Package
Manufacturing Process
3 nm
14 nm
Socket
FCBGA-2049
LGA-1200
Power Consumption
12-15 W
65 W
Max Turbo Power Consumption
57 W
—
Peak Operating Temperature
110 °C
100 °C
CPU Performance
Performance Cores
2
8
Performance Core Threads
4
16
Performance Core Base Frequency
2.0 GHz
2.5 GHz
Performance Core Turbo Frequency
5.2 GHz
5.2 GHz
Efficiency Cores
10
—
Efficiency Core Threads
10
—
Efficiency Core Base Frequency
1.7 GHz
—
Efficiency Core Turbo Frequency
4.2 GHz
—
Total Core Count
12
8
Total Thread Count
14
16
Bus Frequency
100 MHz
100 MHz
Multiplier
20
25x
L1 Cache
112 K per core
64 K per core
L2 Cache
2 MB per core
512 K per core
L3 Cache
12 MB shared
16 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
ECC Memory Support
No
No
Max Memory Bandwidth
—
50 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2100 MHz
1300 MHz
GPU Base Frequency
—
300 MHz
Shader Units
—
256
Texture Units
—
64
Raster Operation Units
—
32
Execution Units
—
32
Power Consumption
—
15 W
Max Resolution
—
3840x2160 - 60 Hz
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,803
1,451
Cinebench R23
11,888
13,236
Geekbench 6
2,582
2,152
Geekbench 6
10,941
5,320
Cinebench 2024
101
—
Cinebench 2024
588
—
Blender
—
145
▲ Specs Compare
Data sourced from official specifications and benchmark tests.