Intel Core Ultra 7 255HX vs Intel Core i3 N300
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i3 N300 with 8 cores 0.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255HX 's Advantages
Released 2 years late
Better graphics card performance
Higher specification of memory (6400 vs 4800)
Larger memory bandwidth (102.4GB/s vs 38.4GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (3nm vs 10nm)
Intel Core i3 N300 's Advantages
Lower TDP (7W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255HX
+295%
2030
Intel Core i3 N300
513
Cinebench R23 Multi Core
Intel Core Ultra 7 255HX
+906%
25611
Intel Core i3 N300
2545
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+160%
3102
Intel Core i3 N300
1189
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+393%
15879
Intel Core i3 N300
3217
Cinebench 2024 Single Core
Intel Core Ultra 7 255HX
+288%
132
Intel Core i3 N300
34
Cinebench 2024 Multi Core
Intel Core Ultra 7 255HX
+863%
1590
Intel Core i3 N300
165
General Parameters
Jan 2025
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Alder Lake
255HX
Processor Number
i3-N300
FCBGA-2114
Socket
BGA-1264
Arc Graphics (4-Cores)
Integrated Graphics
UHD Graphics (32EU)
Ultra 7 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
10 nm
45-55 W
Power Consumption
7 W
160 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
105 °C
Intel
Foundry
-
CPU Performance
8
Performance Cores
-
8
Performance Core Threads
-
2.4 GHz
Performance Core Base Frequency
5.2 GHz
Performance Core Turbo Frequency
-
12
Efficiency Cores
8
12
Efficiency Core Threads
8
1.8 GHz
Efficiency Core Base Frequency
0.8 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.8 GHz
20
Total Core Count
8
20
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
24
Multiplier
8
112 K per core
L1 Cache
96 K per core
2 MB per core
L2 Cache
2 MB shared
30 MB shared
L3 Cache
6 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR5-4800,DDR4-3200,LPDDR5-4800
192 GB
Max Memory Size
16 GB
2
Max Memory Channels
1
102.4 GB/s
Max Memory Bandwidth
38.4 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1850 MHz
GPU Max Dynamic Frequency
1250 MHz
512
Shader Units
256
32
Texture Units
16
16
Raster Operation Units
8
64
Execution Units
32
14
Power Consumption
15
1.9 TFLOPS
Graphics Performance
0.64 TFLOPS
