Intel Core Ultra 7 255H vs Intel Core i7 14700HX
We compared two laptop CPUs: Intel Core Ultra 7 255H with 16 cores 2.0GHz and Intel Core i7 14700HX with 20 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
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)
Intel Core i7 14700HX 's Advantages
Higher base frequency (2.1GHz vs 2.0GHz)
Larger L3 cache size (33MB vs 24MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255H
2029
Intel Core i7 14700HX
+2%
2079
Cinebench R23 Multi Core
Intel Core Ultra 7 255H
20521
Intel Core i7 14700HX
+8%
22166
Geekbench 6 Single Core
Intel Core Ultra 7 255H
+3%
2823
Intel Core i7 14700HX
2738
Geekbench 6 Multi Core
Intel Core Ultra 7 255H
15662
Intel Core i7 14700HX
+1%
15894
Cinebench 2024 Single Core
Intel Core Ultra 7 255H
115
Intel Core i7 14700HX
+6%
122
Cinebench 2024 Multi Core
Intel Core Ultra 7 255H
1102
Intel Core i7 14700HX
+28%
1411
Blender
Intel Core Ultra 7 255H
278
Intel Core i7 14700HX
+24%
347
General Parameters
Jan 2025
Release Date
Jan 2024
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Raptor Lake Refresh
255H
Processor Number
i7-14700HX
FCBGA-2049
Socket
BGA-1964
Arc Graphics 140T
Integrated Graphics
UHD Graphics (32EU)
Package
3 nm
Manufacturing Process
10 nm
20-28 W
Power Consumption
45-55 W
115 W
Max Turbo Power Consumption
157 W
110 °C
Peak Operating Temperature
100°C
CPU Performance
6
Performance Cores
8
6
Performance Core Threads
16
2.0 GHz
Performance Core Base Frequency
2.1 GHz
5.1 GHz
Performance Core Turbo Frequency
5.5 GHz
10
Efficiency Cores
12
10
Efficiency Core Threads
12
1.5 GHz
Efficiency Core Base Frequency
1.5 GHz
4.4 GHz
Efficiency Core Turbo Frequency
3.9 GHz
16
Total Core Count
20
16
Total Thread Count
28
100 MHz
Bus Frequency
100 MHz
20
Multiplier
21x
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
2 MB per core
24 MB shared
L3 Cache
33 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
DDR5-5600, DDR4-3200
128 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
2250 MHz
GPU Max Dynamic Frequency
1600 MHz
-
Shader Units
256
-
Texture Units
16
-
Raster Operation Units
8
-
Execution Units
32
-
Power Consumption
45 W
-
Graphics Performance
0.74 TFLOPS
Miscellaneous
5.0
PCIe Version
5.0
28
PCIe Lanes
20
