Home Comparison Intel Core i7 1255U vs Intel Core i3 N305

Intel Core i7 1255U vs Intel Core i3 N305

Intel Core i7 1255U
VS
Intel Core i3 N305
Intel Core i7 1255U
Intel Core i3 N305
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz 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 i7 1255U 's Advantages
Better graphics card performance
Higher specification of memory (5200 vs 4800)
Larger memory bandwidth (76.8GB/s vs 38.4GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 6MB)
Intel Core i3 N305 's Advantages
Released 11 months late

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 1255U +68%
1701
Intel Core i3 N305
1010
Cinebench R23 Multi Core
Intel Core i7 1255U +86%
8233
Intel Core i3 N305
4407
Geekbench 6 Single Core
Intel Core i7 1255U +76%
2248
Intel Core i3 N305
1275
Geekbench 6 Multi Core
Intel Core i7 1255U +46%
7162
Intel Core i3 N305
4905
Blender
Intel Core i7 1255U +101%
125
Intel Core i3 N305
62
Geekbench 5 Single Core
Intel Core i7 1255U +49%
1628
Intel Core i3 N305
1086
Geekbench 5 Multi Core
Intel Core i7 1255U +60%
7372
Intel Core i3 N305
4607
Intel Core i7 1255U
VS
Intel Core i3 N305

General Parameters

Feb 2022
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Alder Lake
i7-1255U
Processor Number
i3-N305
BGA-1744
Socket
BGA-1744
Iris Xe Graphics (96EU)
Integrated Graphics
UHD Graphics (32EU)

Package

10 nm
Manufacturing Process
10 nm
12-15 W
Power Consumption
9-15 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
105°C

CPU Performance

2
Performance Cores
-
4
Performance Core Threads
-
1.7 GHz
Performance Core Base Frequency
4.7 GHz
Performance Core Turbo Frequency
-
8
Efficiency Cores
8
8
Efficiency Core Threads
8
1.2 GHz
Efficiency Core Base Frequency
1.8 GHz
3.5 GHz
Efficiency Core Turbo Frequency
3.9 GHz
10
Total Core Count
8
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
18x
80 K per core
L1 Cache
96 K per core
1280 K per core
L2 Cache
2 MB shared
12 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-4800
64 GB
Max Memory Size
16 GB
2
Max Memory Channels
1
76.8 GB/s
Max Memory Bandwidth
38.4 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1250 MHz
GPU Max Dynamic Frequency
1250 MHz
768
Shader Units
256
48
Texture Units
16
24
Raster Operation Units
8
96
Execution Units
32
15 W
Power Consumption
45 W
1.69 TFLOPS
Graphics Performance
0.74 TFLOPS

Miscellaneous

Intel Core i7 1255U
Official Website
Intel Core i3 N305
4.0
PCIe Version
3.0
20
PCIe Lanes
9

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