Intel Core i3 N355 vs Intel Core i5 8257U
We compared two laptop CPUs: Intel Core i3 N355 with 8 cores 0.1GHz and Intel Core i5 8257U with 4 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i3 N355 's Advantages
Released 5 years and 6 months late
Higher specification of memory (4800 vs 2400)
Larger memory bandwidth (38.4GB/s vs 37.5GB/s)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 8257U 's Advantages
Better graphics card performance
Newer PCIe version (3.0 vs 3)
Higher base frequency (1.4GHz vs 0.1GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i3 N355
+9%
1319
Intel Core i5 8257U
1210
Geekbench 6 Multi Core
Intel Core i3 N355
+15%
4513
Intel Core i5 8257U
3922
General Parameters
Jan 2025
Release Date
Jul 2019
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Twin Lake
Core Architecture
Coffee Lake
i3-N355
Processor Number
i5-8257U
Intel BGA 1264
Socket
BGA-1528
UHD Graphics 770
Integrated Graphics
Iris Plus Graphics 645
Core 3 (Alder Lake-N)
Generation
-
Package
10 nm
Manufacturing Process
14 nm
15 W
Power Consumption
15 W
105°C
Peak Operating Temperature
100 °C
Intel
Foundry
-
CPU Performance
-
Performance Cores
4
-
Performance Core Threads
8
0.1 GHz
Performance Core Base Frequency
1.4 GHz
3.9 GHz
Performance Core Turbo Frequency
3.9 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1.8 GHz
Efficiency Core Base Frequency
-
3.9 GHz
Efficiency Core Turbo Frequency
-
8
Total Core Count
4
8
Total Thread Count
8
100 MHz
Bus Frequency
-
1.0
Multiplier
14x
96 KB per core
L1 Cache
32 K per core
2 MB shared
L2 Cache
256 K per core
6 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR4-3200, DDR5, LPDDR5-4800
Memory Types
DDR4-2400, LPDDR3-2133
16 GB
Max Memory Size
32 GB
Max Memory Channels
2
38.4 GB/s
Max Memory Bandwidth
37.5 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1350 MHz
GPU Max Dynamic Frequency
1050 MHz
256
Shader Units
384
16
Texture Units
48
8
Raster Operation Units
6
32
Execution Units
48
15
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
0.64 TFLOPS
Graphics Performance
0.81 TFLOPS
Miscellaneous
3
PCIe Version
3.0
9
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
