Intel Core i5-8400B vs Intel Core i3-13100E

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CPU comparison with benchmarks


Intel Core i5-8400B CPU1 vs CPU2 Intel Core i3-13100E
Intel Core i5-8400B Intel Core i3-13100E

CPU comparison

In this CPU comparison, we compare the Intel Core i5-8400B and the Intel Core i3-13100E and use benchmarks to check which processor is faster.

We compare the Intel Core i5-8400B 6 core processor released in Q2/2018 with the Intel Core i3-13100E which has 4 CPU cores and was introduced in Q1/2023.
Intel Core i5 (331) Family Intel Core i3 (205)
Intel Core i 8000 (20) CPU group Intel Core i 13000 (AL) (16)
8 Generation 13
Coffee Lake S Architecture Alder Lake S Refresh
Desktop / Server Segment Desktop / Server
-- Predecessor Intel Core i3-12100E
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-8400B is a 6 core processor with a clock frequency of 2.80 GHz (3.80 GHz). The processor can compute 6 threads at the same time. The Intel Core i3-13100E clocks with 3.30 GHz (4.40 GHz), has 4 CPU cores and can calculate 8 threads in parallel.

Intel Core i5-8400B Characteristic Intel Core i3-13100E
6 Cores 4
6 Threads 8
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
2.80 GHz (3.80 GHz) A-Core 3.30 GHz (4.40 GHz)
4x Golden Cove
-- B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i5-8400B Characteristic Intel Core i3-13100E
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 630 GPU Intel UHD Graphics 730
0.35 GHz GPU frequency 0.30 GHz
1.15 GHz GPU (Turbo) 1.50 GHz
9.5 GPU Generation 12
14 nm Technology 14 nm
3 Max. displays 3
24 Compute units 24
192 Shader 192
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 64 GB
12 DirectX Version 12

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.

Intel UHD Graphics 630 GPU Intel UHD Graphics 730
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-8400B, while the Intel Core i3-13100E supports a maximum of 128 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.

Intel Core i5-8400B Characteristic Intel Core i3-13100E
DDR4-2666 Memory DDR5-4800, DDR4-3200
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 76.8 GB/s
No ECC No
-- L2 Cache 5.00 MB
9.00 MB L3 Cache 12.00 MB
3.0 PCIe version 5.0
16 PCIe lanes 20
15.8 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The Intel Core i5-8400B has a TDP of 65 W. The TDP of the Intel Core i3-13100E is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-8400B Characteristic Intel Core i3-13100E
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 60 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-8400B has 9.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i3-13100E is at 17.00 MB. The processor is manufactured in 10 nm.

Intel Core i5-8400B Characteristic Intel Core i3-13100E
14 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
BGA 1440 Socket LGA 1700
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2018 Release date Q1/2023
260 $ Release price --
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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i5-8400B Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz
442 (77%)
Intel Core i3-13100E Intel Core i3-13100E
Intel UHD Graphics 730 @ 1.50 GHz
576 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
76 (100%)
Intel Core i3-13100E Intel Core i3-13100E
4C 8T @ 4.10 GHz
0 (0%)

Devices using this processor

Intel Core i5-8400B Intel Core i3-13100E
Unknown Unknown

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