Intel Core Ultra 7 255HX vs Intel Core i9 12900H
CPU Specs Compare
General Parameters
Release Date
Jan 2025
Jan 2022
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Alder Lake
Processor Number
255HX
i9-12900H
Integrated Graphics
Arc Graphics (4-Cores)
Iris Xe Graphics (96EU)
Generation
Ultra 7 (Arrow Lake)
-
Package
Manufacturing Process
3 nm
10 nm
Socket
FCBGA-2114
BGA-1744
Power Consumption
45-55 W
35-45 W
Max Turbo Power Consumption
160 W
115 W
Peak Operating Temperature
105 °C
100°C
Foundry
Intel
-
Package
FC-LGA18V
-
CPU Performance
Performance Cores
8
6
Performance Core Threads
8
12
Performance Core Base Frequency
2.4 GHz
2.5 GHz
Performance Core Turbo Frequency
5.2 GHz
5 GHz
Efficiency Cores
12
8
Efficiency Core Threads
12
8
Efficiency Core Base Frequency
1.8 GHz
1.8 GHz
Efficiency Core Turbo Frequency
4.5 GHz
3.8 GHz
Total Core Count
20
14
Total Thread Count
20
20
Bus Frequency
100 MHz
100 MHz
Multiplier
24
25x
L1 Cache
112 K per core
80 K per core
L2 Cache
2 MB per core
1280 K per core
L3 Cache
30 MB shared
24 MB shared
Unlocked Multiplier
Yes
No
SMP
1
-
Memory Parameters
Memory Types
DDR5-6400
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
192 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
76.8 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1850 MHz
1450 MHz
Shader Units
512
768
Texture Units
32
48
Raster Operation Units
16
24
Execution Units
64
96
Power Consumption
14
15 W
📊 Benchmark
Cinebench R23
2,030
1,906
Cinebench R23
25,611
16,503
Geekbench 6
3,102
2,397
Geekbench 6
15,879
11,973
Cinebench 2024
132
-
Cinebench 2024
1,590
-
Geekbench 5
-
1,839
Geekbench 5
-
12,692
Blender
-
227
Passmark CPU
-
3,811
Passmark CPU
-
28,264