Intel Core i9 12900 vs Intel Core Ultra 7 255U
CPU Specs Compare
General Parameters
Release Date
Jan 2022
Jan 2025
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Core Architecture
Alder Lake-S
Arrow Lake
Integrated Graphics
UHD Graphics 770
Arc Graphics (4-Cores)
Generation
Core i9 (Alder Lake-S)
-
Instruction Set
-
x86-64
Processor Number
-
255U
Package
Manufacturing Process
10 nm
3 nm
Socket
Intel Socket 1700
FCBGA-2049
Power Consumption
65 W
12-15 W
Peak Operating Temperature
72 °C
110 °C
Foundry
Intel
-
Die Size
215 mm²
-
Package
FC-LGA16A
-
Max Turbo Power Consumption
-
57 W
CPU Performance
Performance Cores
8
2
Performance Core Threads
16
4
Performance Core Base Frequency
2.4 GHz
2.0 GHz
Performance Core Turbo Frequency
5.1 GHz
5.2 GHz
Efficiency Cores
8
10
Efficiency Core Threads
8
10
Efficiency Core Base Frequency
1800 MHz
1.7 GHz
Efficiency Core Turbo Frequency
3.8 GHz
4.2 GHz
Total Core Count
16
12
Total Thread Count
24
14
Bus Frequency
100 MHz
100 MHz
Multiplier
24.0
20
L1 Cache
80 KB per core
112 K per core
L2 Cache
1.25 MB per core
2 MB per core
L3 Cache
30 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
SMP
1
-
Memory Parameters
Memory Types
DDR4-3200, DDR5-4800
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
-
ECC Memory Support
No
No
Max Memory Size
-
128 GB
Miscellaneous
Graphics Card Parameters
Integrated Graphics
-
true
GPU Max Dynamic Frequency
-
2100 MHz
📊 Benchmark
Cinebench R23
1,988
1,803
Cinebench R23
26,454
11,888
Geekbench 6
2,727
2,582
Geekbench 6
13,396
10,941
Blender
183
-
Cinebench 2024
-
101
Cinebench 2024
-
588