Intel Core Ultra 7 255U vs Intel Core i7 12700H
We compared two laptop CPUs: Intel Core Ultra 7 255U with 12 cores 2.0GHz and Intel Core i7 12700H with 14 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255U 's Advantages
Released 3 years late
Higher specification of memory (8400 vs 5200)
More modern manufacturing process (3nm vs 10nm)
Lower TDP (15W vs 45W)
Intel Core i7 12700H 's Advantages
Higher base frequency (2.3GHz vs 2.0GHz)
Larger L3 cache size (24MB vs 12MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255U
1803
Intel Core i7 12700H
1786
Cinebench R23 Multi Core
Intel Core Ultra 7 255U
11888
Intel Core i7 12700H
+33%
15877
Geekbench 6 Single Core
Intel Core Ultra 7 255U
+28%
2582
Intel Core i7 12700H
2011
Geekbench 6 Multi Core
Intel Core Ultra 7 255U
10941
Intel Core i7 12700H
+3%
11276
Cinebench 2024 Single Core
Intel Core Ultra 7 255U
101
Intel Core i7 12700H
+1%
103
Cinebench 2024 Multi Core
Intel Core Ultra 7 255U
588
Intel Core i7 12700H
+55%
916
General Parameters
Jan 2025
Release Date
Jan 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Alder Lake-H
255U
Processor Number
i7-12700H
FCBGA-2049
Socket
BGA-1744
Arc Graphics (4-Cores)
Integrated Graphics
Iris Xe Graphics (96EU)
Package
3 nm
Manufacturing Process
10 nm
12-15 W
Power Consumption
45 W
57 W
Max Turbo Power Consumption
-
110 °C
Peak Operating Temperature
100 °C
CPU Performance
2
Performance Cores
6
4
Performance Core Threads
-
2.0 GHz
Performance Core Base Frequency
2.3 GHz
5.2 GHz
Performance Core Turbo Frequency
4.7 GHz
10
Efficiency Cores
8
10
Efficiency Core Threads
-
1.7 GHz
Efficiency Core Base Frequency
-
4.2 GHz
Efficiency Core Turbo Frequency
-
12
Total Core Count
14
14
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
20
Multiplier
23x
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
1280 K per core
12 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
2100 MHz
GPU Max Dynamic Frequency
1400 MHz
-
Shader Units
768
-
Texture Units
48
-
Raster Operation Units
24
-
Execution Units
96
-
Power Consumption
15 W
-
Graphics Performance
2.150 TFLOPS
