Intel Core i7 14650HX vs Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core i7 14650HX with 16 cores 2.2GHz 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 Ultra 7 255HX Advantages
Released 1 years late
Better graphics card performance
Higher specification of memory (6400 vs 5600)
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Higher base frequency (2.4GHz vs 2.2GHz)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 14650HX
1917
Intel Core Ultra 7 255HX
+5%
2030
Cinebench R23 Multi Core
Intel Core i7 14650HX
23782
Intel Core Ultra 7 255HX
+7%
25611
Geekbench 6 Single Core
Intel Core i7 14650HX
2622
Intel Core Ultra 7 255HX
+18%
3102
Geekbench 6 Multi Core
Intel Core i7 14650HX
15271
Intel Core Ultra 7 255HX
+3%
15879
Cinebench 2024 Single Core
Intel Core i7 14650HX
116
Intel Core Ultra 7 255HX
+13%
132
Cinebench 2024 Multi Core
Intel Core i7 14650HX
1240
Intel Core Ultra 7 255HX
+28%
1590
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
i7-14650HX
Processor Number
255HX
BGA-1964
Socket
FCBGA-2114
UHD Graphics (16EU)
Integrated Graphics
Arc Graphics (4-Cores)
-
Generation
Ultra 7 (Arrow Lake)
Package
10 nm
Manufacturing Process
3 nm
45-55 W
Power Consumption
45-55 W
157 W
Max Turbo Power Consumption
160 W
100°C
Peak Operating Temperature
105 °C
-
Foundry
Intel
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
8
2.2 GHz
Performance Core Base Frequency
2.4 GHz
5.2 GHz
Performance Core Turbo Frequency
5.2 GHz
8
Efficiency Cores
12
8
Efficiency Core Threads
12
1.6 GHz
Efficiency Core Base Frequency
1.8 GHz
3.7 GHz
Efficiency Core Turbo Frequency
4.5 GHz
16
Total Core Count
20
24
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
22x
Multiplier
24
80 K per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
30 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR5-5600, DDR4-3200
Memory Types
DDR5-6400
192 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
102.4 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
300 MHz
1600 MHz
GPU Max Dynamic Frequency
1850 MHz
128
Shader Units
512
16
Texture Units
32
8
Raster Operation Units
16
16
Execution Units
64
15 W
Power Consumption
14
0.382 TFLOPS
Graphics Performance
1.9 TFLOPS
Miscellaneous
5.0
PCIe Version
5.0
20
PCIe Lanes
24
