Intel Core i7 14700HX vs Intel Core Ultra 7 255H
We compared two laptop CPUs: Intel Core i7 14700HX with 20 cores 2.1GHz 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 i7 14700HX 's Advantages
Higher base frequency (2.1GHz vs 2.0GHz)
Larger L3 cache size (33MB vs 24MB)
Intel Core Ultra 7 255H 's Advantages
Released 1 years late
Higher specification of memory (8400 vs 5600)
More modern manufacturing process (3nm vs 10nm)
Lower TDP (28W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 14700HX
+2%
2079
Intel Core Ultra 7 255H
2029
Cinebench R23 Multi Core
Intel Core i7 14700HX
+8%
22166
Intel Core Ultra 7 255H
20521
Geekbench 6 Single Core
Intel Core i7 14700HX
2738
Intel Core Ultra 7 255H
+3%
2823
Geekbench 6 Multi Core
Intel Core i7 14700HX
+1%
15894
Intel Core Ultra 7 255H
15662
Cinebench 2024 Single Core
Intel Core i7 14700HX
+6%
122
Intel Core Ultra 7 255H
115
Cinebench 2024 Multi Core
Intel Core i7 14700HX
+28%
1411
Intel Core Ultra 7 255H
1102
General Parameters
Jan 2024
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Raptor Lake Refresh
Core Architecture
Arrow Lake
i7-14700HX
Processor Number
255H
BGA-1964
Socket
FCBGA-2049
UHD Graphics (32EU)
Integrated Graphics
Arc Graphics 140T
Package
10 nm
Manufacturing Process
3 nm
45-55 W
Power Consumption
20-28 W
157 W
Max Turbo Power Consumption
115 W
100°C
Peak Operating Temperature
110 °C
CPU Performance
8
Performance Cores
6
16
Performance Core Threads
6
2.1 GHz
Performance Core Base Frequency
2.0 GHz
5.5 GHz
Performance Core Turbo Frequency
5.1 GHz
12
Efficiency Cores
10
12
Efficiency Core Threads
10
1.5 GHz
Efficiency Core Base Frequency
1.5 GHz
3.9 GHz
Efficiency Core Turbo Frequency
4.4 GHz
20
Total Core Count
16
28
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
21x
Multiplier
20
80 K per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
33 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
No
Memory Parameters
DDR5-5600, DDR4-3200
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
192 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1600 MHz
GPU Max Dynamic Frequency
2250 MHz
256
Shader Units
-
16
Texture Units
-
8
Raster Operation Units
-
32
Execution Units
-
45 W
Power Consumption
-
0.74 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
5.0
20
PCIe Lanes
28
