Home Comparison Intel Core Ultra 7 255HX vs Intel Core i3 N305

Intel Core Ultra 7 255HX vs Intel Core i3 N305

Intel Core Ultra 7 255HX
VS
Intel Core i3 N305
Intel Core Ultra 7 255HX
Intel Core i3 N305
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i3 N305 with 8 cores 1.8GHz . 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
Higher specification of memory (6400 vs 4800)
Larger memory bandwidth (102.4GB/s vs 38.4GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (24MB vs 6MB)
More modern manufacturing process (3nm vs 10nm)
Intel Core i3 N305 's Advantages
Lower TDP (15W vs 55W)

Score

Intel Core Ultra 7 255HX
VS
Intel Core i3 N305

General Parameters

Jan 2025
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Arrow Lake
Core Architecture
Alder Lake
-
Processor Number
i3-N305
Intel Socket 1851
Socket
BGA-1744
Arc Xe-LPG
Integrated Graphics
UHD Graphics (32EU)
Ultra 7 (Arrow Lake)
Generation
-

Package

3 nm
Manufacturing Process
10 nm
17-55 W
Power Consumption
9-15 W
100 °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
1.8 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.9 GHz
20
Total Core Count
8
20
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
24
Multiplier
18x
112 KB per core
L1 Cache
96 K per core
23 MB
L2 Cache
2 MB shared
24 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-6400
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-4800
256 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
-
GPU Base Frequency
300 MHz
1900 MHz
GPU Max Dynamic Frequency
1250 MHz
-
Shader Units
256
-
Texture Units
16
-
Raster Operation Units
8
64
Execution Units
32
-
Power Consumption
45 W
-
Graphics Performance
0.74 TFLOPS

Miscellaneous

Official Website
Intel Core i3 N305
5
PCIe Version
3.0
PCIe Lanes
9

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