Intel Core Ultra 7 255H vs Intel Core i7 14700HX
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Jan 2024
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Raptor Lake Refresh
Processor Number
255H
i7-14700HX
Integrated Graphics
Arc Graphics 140T
UHD Graphics (32EU)
Package
Manufacturing Process
3 nm
10 nm
Socket
FCBGA-2049
BGA-1964
Power Consumption
20-28 W
45-55 W
Max Turbo Power Consumption
115 W
157 W
Peak Operating Temperature
110 °C
100°C
CPU Performance
Performance Cores
6
8
Performance Core Threads
6
16
Performance Core Base Frequency
2.0 GHz
2.1 GHz
Performance Core Turbo Frequency
5.1 GHz
5.5 GHz
Efficiency Cores
10
12
Efficiency Core Threads
10
12
Efficiency Core Base Frequency
1.5 GHz
1.5 GHz
Efficiency Core Turbo Frequency
4.4 GHz
3.9 GHz
Total Core Count
16
20
Total Thread Count
16
28
Bus Frequency
100 MHz
100 MHz
Multiplier
20
21x
L1 Cache
112 K per core
80 K per core
L2 Cache
2 MB per core
2 MB per core
L3 Cache
24 MB shared
33 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
DDR5-5600, DDR4-3200
Max Memory Size
128 GB
192 GB
Max Memory Channels
2
2
ECC Memory Support
No
Yes
Max Memory Bandwidth
—
89.6 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2250 MHz
1600 MHz
GPU Base Frequency
—
300 MHz
Shader Units
—
256
Texture Units
—
16
Raster Operation Units
—
8
Execution Units
—
32
Power Consumption
—
45 W
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
28
20
Benchmark
Cinebench R23
2,029
2,079
Cinebench R23
20,521
22,166
Geekbench 6
2,823
2,738
Geekbench 6
15,662
15,894
Cinebench 2024
115
122
Cinebench 2024
1,102
1,411
Blender
278
347
Passmark CPU
—
3,605
Passmark CPU
—
36,643
▲ Specs Compare
Data sourced from official specifications and benchmark tests.