MediaTek Helio P18 vs Intel Core i5-8400B

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CPU comparison with benchmarks


MediaTek Helio P18 CPU1 vs CPU2 Intel Core i5-8400B
MediaTek Helio P18 Intel Core i5-8400B

CPU comparison

MediaTek Helio P18 or Intel Core i5-8400B - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The MediaTek Helio P18 has 8 cores with 8 threads and clocks with a maximum frequency of 2.00 GHz. Up to 4 GB of memory is supported in 1 memory channels. The MediaTek Helio P18 was released in Q1/2018.

The Intel Core i5-8400B has 6 cores with 6 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-8400B was released in Q2/2018.
Mediatek Helio (37) Family Intel Core i5 (328)
MediaTek Helio P10 (3) CPU group Intel Core i 8000 (20)
1 Generation 8
Cortex-A53 Architecture Coffee Lake S
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The MediaTek Helio P18 is a 8 core processor with a clock frequency of 2.00 GHz. The Intel Core i5-8400B has 6 CPU cores with a clock frequency of 2.80 GHz (3.80 GHz).

MediaTek Helio P18 Characteristic Intel Core i5-8400B
8 Cores 6
8 Threads 6
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.00 GHz
8x Cortex-A53
A-Core 2.80 GHz (3.80 GHz)
-- 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.

MediaTek Helio P18 Characteristic Intel Core i5-8400B
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

ARM Mali-T860 MP2 GPU Intel UHD Graphics 630
0.80 GHz GPU frequency 0.35 GHz
0.80 GHz GPU (Turbo) 1.15 GHz
Midgard 4 GPU Generation 9.5
28nm Technology 14 nm
2 Max. displays 3
2 Compute units 24
32 Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
11 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.

ARM Mali-T860 MP2 GPU Intel UHD Graphics 630
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The MediaTek Helio P18 supports a maximum of 4 GB of memory in 1 memory channels. The Intel Core i5-8400B can connect up to 64 GB of memory in 2 memory channels.

MediaTek Helio P18 Characteristic Intel Core i5-8400B
LPDDR3-933 Memory DDR4-2666
4 GB Max. Memory 64 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
7.4 GB/s Max. Bandwidth 42.7 GB/s
No ECC No
-- L2 Cache --
-- L3 Cache 9.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The MediaTek Helio P18 has a TDP of --, that of the Intel Core i5-8400B is 65 W.

MediaTek Helio P18 Characteristic Intel Core i5-8400B
-- TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The MediaTek Helio P18 has a 0.00 MB cache, while the Intel Core i5-8400B cache has a total of 9.00 MB.

MediaTek Helio P18 Characteristic Intel Core i5-8400B
28 nm Technology 14 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2
-- Socket BGA 1440
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android Operating systems Windows 10, Windows 11, Linux
Q1/2018 Release date Q2/2018
-- Release price 260 $
show more data show more data


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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.
MediaTek Helio P18 MediaTek Helio P18
ARM Mali-T860 MP2 @ 0.80 GHz
54 (12%)
Intel Core i5-8400B Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz
442 (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.
MediaTek Helio P18 MediaTek Helio P18
8C 8T @ 2.00 GHz
0 (0%)
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
76 (100%)

Devices using this processor

MediaTek Helio P18 Intel Core i5-8400B
Unknown Unknown

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