Intel Core Ultra 7 251HX vs Intel Core i3 N305
CPU Specs Compare
General Parameters
Release Date
Apr 2026
Jan 2023
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Alder Lake
Processor Number
251HX
i3-N305
Integrated Graphics
Arc Graphics (4-Cores)
UHD Graphics (32EU)
Package
Manufacturing Process
3 nm
10 nm
Socket
FCBGA-2114
BGA-1744
Power Consumption
45-55 W
9-15 W
Max Turbo Power Consumption
160 W
-
Peak Operating Temperature
105 °C
105 °C
CPU Performance
Performance Cores
6
-
Performance Core Threads
6
-
Performance Core Base Frequency
2.9 GHz
-
Performance Core Turbo Frequency
5.1 GHz
-
Efficiency Cores
12
8
Efficiency Core Threads
12
8
Efficiency Core Base Frequency
2.5 GHz
1.8 GHz
Efficiency Core Turbo Frequency
4.5 GHz
3.9 GHz
Total Core Count
18
8
Total Thread Count
18
8
Bus Frequency
100 MHz
100 MHz
Multiplier
29
18
L1 Cache
192 K per core
96 K per core
L2 Cache
2 MB per core
2 MB shared
L3 Cache
30 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-6400
DDR5-4800,DDR4-3200,LPDDR5-4800
Max Memory Size
256 GB
16 GB
Max Memory Channels
2
1
Max Memory Bandwidth
102.4 GB/s
38.4 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1800 MHz
1250 MHz
Shader Units
512
256
Texture Units
32
16
Raster Operation Units
16
8
Execution Units
64
32
Power Consumption
14
15
📊 Benchmark
Geekbench 6
2,940
1,338
Geekbench 6
15,262
5,279
Cinebench 2024
130
-
Cinebench 2024
1,761
-
Cinebench R23
-
1,017
Cinebench R23
-
4,409
Geekbench 5
-
1,086
Geekbench 5
-
4,607
Blender
-
62
Passmark CPU
-
2,190
Passmark CPU
-
10,001