Intel Core i5 1240U vs Intel Core i3 N355
We compared two laptop CPUs: Intel Core i5 1240U with 10 cores 1.1GHz and Intel Core i3 N355 with 8 cores 0.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 1240U '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)
Higher base frequency (1.1GHz vs 0.1GHz)
Larger L3 cache size (12MB vs 6MB)
Lower TDP (9W vs 15W)
Intel Core i3 N355 's Advantages
Released 2 years and 11 months late
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 1240U
+67%
2213
Intel Core i3 N355
1319
Geekbench 6 Multi Core
Intel Core i5 1240U
+68%
7583
Intel Core i3 N355
4513
General Parameters
Feb 2022
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake-U
Core Architecture
Twin Lake
i5-1240U
Processor Number
i3-N355
BGA-1781
Socket
Intel BGA 1264
Iris Xe Graphics G7 (80EU)
Integrated Graphics
UHD Graphics 770
-
Generation
Core 3 (Alder Lake-N)
Package
10 nm
Manufacturing Process
10 nm
9 W
Power Consumption
15 W
100 °C
Peak Operating Temperature
105°C
-
Foundry
Intel
CPU Performance
2
Performance Cores
-
1.1 GHz
Performance Core Base Frequency
0.1 GHz
4.4 GHz
Performance Core Turbo Frequency
3.9 GHz
8
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.8 GHz
-
Efficiency Core Turbo Frequency
3.9 GHz
10
Total Core Count
8
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
11x
Multiplier
1.0
80 K per core
L1 Cache
96 KB per core
1280 K per core
L2 Cache
2 MB shared
12 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR4-3200, DDR5, LPDDR5-4800
64 GB
Max Memory Size
16 GB
2
Max Memory Channels
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
900 MHz
GPU Max Dynamic Frequency
1350 MHz
640
Shader Units
256
40
Texture Units
16
20
Raster Operation Units
8
80
Execution Units
32
15 W
Power Consumption
15
1.41 TFLOPS
Graphics Performance
0.64 TFLOPS
