Intel Core i3-N305 vs Intel Core i5-1235U

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i3-N305 or Intel Core i3-N305 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i3-N305 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q1/2023 and belongs to the 13 generation of the Intel Core i3 series.
To use the Intel Core i3-N305, you'll need a motherboard with a BGA socket.
The Intel Core i5-1235U features 10 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i5 series.
To use the Intel Core i5-1235U, you'll need a motherboard with a BGA 1744 socket.
13 Generation 12
Intel Core i3 Family Intel Core i5
Intel Core i N300 Group Intel Core i 1200P/1200U
Intel Core i3-N305 Name Intel Core i5-1235U
Mobile Segment Mobile
 
 

CPU Cores and Base Frequency

The Intel Core i3-N305 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i3-N305 is 1.8 GHz
and turbo frequency for one core is 3.8 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i5-1235U has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 1.3 GHz.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
None None 8x Gracemont
None None 4.4 GHz
8 CPU Cores 10
None None 0.9 GHz
8 Threads 12
3.8 GHz Turbo Frequency (1 core) None
1.8 GHz Frequency None
None None 3.3 GHz
8x Gracemont Cores None
normal Core architecture hybrid (big.LITTLE)
No Overclocking No
None None 1.3 GHz
No Hyperthreading Yes
3.2 GHz Turbo Frequency (all cores) None
None None 2x Golden Cove
 
 

Internal Graphics

The Intel Core i3-N305 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i3-N305 uses the Intel UHD Graphics 13th Gen (32 EU), which has 256 texture shaders
and 32 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i5-1235U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-1235U uses the Intel Iris Xe Graphics 80 (Alder Lake), which has 640 texture shaders
and 80 execution units.
13 Generation 13
Q1/2023 Release date Q1/2022
-- Max. displays --
32 Execution units 80
256 Shaders 640
1.25 GHz GPU (Turbo) 1.2 GHz
0.3 GHz GPU frequency 0.35 GHz
10 nm Technology 10 nm
Intel UHD Graphics 13th Gen (32 EU) GPU name Intel Iris Xe Graphics 80 (Alder Lake)
64.0 GB Max. GPU Memory 32.0 GB
12 Direct X 12.1
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode JPEG Decode / Encode
Decode / Encode h264 Decode / Encode
Decode AV1 Decode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode VP8 Decode
Decode VC-1 Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 1 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
1 Memory channels 2
16.0 GB Max. Memory 64.0 GB
DDR4-3200, DDR5-4800, LPDDR5-4800 Memory type DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200
Yes AES-NI Yes
38.4 GB/s Bandwidth 76.8 GB/s
No ECC No
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 15 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
15 W TDP (PL1 / PBP) 15 W
105 °C Tjunction max 100 °C
9 W TDP down None
None TDP (PL2) 55 W
 
 

Technical details

The Intel Core i3-N305 is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 6.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-1235U is manufactured using a 10 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q1/2023 Release date Q1/2022
Alder Lake N Architecture Alder Lake U
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Monolithic Chip design Monolithic
6.0 MB L3-Cache 12.0 MB
SSE4.1, SSE4.2, AVX, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
10 nm Technology 10 nm
BGA Socket BGA 1744
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
309 $ Release price --
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
8.0 MB L2-Cache 6.5 MB
 
 

Benchmarks