Home Mobile and Tablet SoC Comparison Intel Core i5 12450H vs Intel Core Ultra 7 255H

Intel Core i5 12450H vs Intel Core Ultra 7 255H

We compared two laptop CPUs: Intel Core i5 12450H with 8 cores 2GHz and Intel Core Ultra 7 255H with 16 cores 2.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 7 255H Advantages
Released 3 years late
Higher specification of memory (8400 vs 5200)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.0GHz vs 2GHz)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (3nm vs 10nm)
Lower TDP (28W vs 45W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 12450H
1625
Intel Core Ultra 7 255H +24%
2029
Cinebench R23 Multi Core
Intel Core i5 12450H
9883
Intel Core Ultra 7 255H +107%
20521
Geekbench 6 Single Core
Intel Core i5 12450H
2093
Intel Core Ultra 7 255H +34%
2823
Geekbench 6 Multi Core
Intel Core i5 12450H
8263
Intel Core Ultra 7 255H +89%
15662
Cinebench 2024 Single Core
Intel Core i5 12450H
96
Intel Core Ultra 7 255H +19%
115

General Parameters

Jan 2022
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Arrow Lake
i5-12450H
Processor Number
255H
BGA-1744
Socket
FCBGA-2049
UHD Graphics (48EU)
Integrated Graphics
Arc Graphics 140T

Package

10 nm
Manufacturing Process
3 nm
35-45 W
Power Consumption
20-28 W
95 W
Max Turbo Power Consumption
115 W
100°C
Peak Operating Temperature
110 °C

CPU Performance

4
Performance Cores
6
8
Performance Core Threads
6
2 GHz
Performance Core Base Frequency
2.0 GHz
4.4 GHz
Performance Core Turbo Frequency
5.1 GHz
4
Efficiency Cores
10
4
Efficiency Core Threads
10
1.5 GHz
Efficiency Core Base Frequency
1.5 GHz
3.3 GHz
Efficiency Core Turbo Frequency
4.4 GHz
8
Total Core Count
16
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
20x
Multiplier
20
80 K per core
L1 Cache
112 K per core
1280 K per core
L2 Cache
2 MB per core
12 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1200 MHz
GPU Max Dynamic Frequency
2250 MHz
384
Shader Units
-
24
Texture Units
-
12
Raster Operation Units
-
48
Execution Units
-
15 W
Power Consumption
-
0.84 TFLOPS
Graphics Performance
-

Miscellaneous

4.0
PCIe Version
5.0
28
PCIe Lanes
28
© 2025 - TopCPU.net