Intel Core i7 12700H vs Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core i7 12700H with 14 cores 2.3GHz and Intel Core Ultra 7 255HX with 20 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 12700H 's Advantages
Better graphics card performance
Lower TDP (45W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 3 years late
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (102.4GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.4GHz vs 2.3GHz)
Larger L3 cache size (30MB vs 24MB)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 12700H
1786
Intel Core Ultra 7 255HX
+13%
2030
Cinebench R23 Multi Core
Intel Core i7 12700H
15877
Intel Core Ultra 7 255HX
+61%
25611
Geekbench 6 Single Core
Intel Core i7 12700H
2011
Intel Core Ultra 7 255HX
+54%
3102
Geekbench 6 Multi Core
Intel Core i7 12700H
11276
Intel Core Ultra 7 255HX
+40%
15879
Cinebench 2024 Single Core
Intel Core i7 12700H
103
Intel Core Ultra 7 255HX
+28%
132
Cinebench 2024 Multi Core
Intel Core i7 12700H
916
Intel Core Ultra 7 255HX
+73%
1590
General Parameters
Jan 2022
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake-H
Core Architecture
Arrow Lake
i7-12700H
Processor Number
255HX
BGA-1744
Socket
FCBGA-2114
Iris Xe Graphics (96EU)
Integrated Graphics
Arc Graphics (4-Cores)
-
Generation
Ultra 7 (Arrow Lake)
Package
10 nm
Manufacturing Process
3 nm
45 W
Power Consumption
45-55 W
-
Max Turbo Power Consumption
160 W
100 °C
Peak Operating Temperature
105 °C
-
Foundry
Intel
CPU Performance
6
Performance Cores
8
-
Performance Core Threads
8
2.3 GHz
Performance Core Base Frequency
2.4 GHz
4.7 GHz
Performance Core Turbo Frequency
5.2 GHz
8
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.8 GHz
-
Efficiency Core Turbo Frequency
4.5 GHz
14
Total Core Count
20
20
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
23x
Multiplier
24
80 K per core
L1 Cache
112 K per core
1280 K per core
L2 Cache
2 MB per core
24 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR5-6400
64 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1400 MHz
GPU Max Dynamic Frequency
1850 MHz
768
Shader Units
512
48
Texture Units
32
24
Raster Operation Units
16
96
Execution Units
64
15 W
Power Consumption
14
2.150 TFLOPS
Graphics Performance
1.9 TFLOPS
Miscellaneous
4.0
PCIe Version
5.0
28
PCIe Lanes
24
