AMD Ryzen 3 3300X vs Intel Core i5-8400B

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 3 3300X or AMD Ryzen 3 3300X – 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 AMD Ryzen 3 3300X features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2020 and belongs to the 3 generation of the AMD Ryzen 3 series.
To use the AMD Ryzen 3 3300X, you'll need a motherboard with a AM4 (PGA 1331) socket.
The Intel Core i5-8400B features 6 processor cores and has the capability to manage 6 threads concurrently.
It was released in Q2/2018 and belongs to the 8 generation of the Intel Core i5 series.
To use the Intel Core i5-8400B, you'll need a motherboard with a BGA 1440 socket.
Desktop / Server Segment Desktop / Server
AMD Ryzen 3000 Group Intel Core i 8000
AMD Ryzen 3 Family Intel Core i5
3 Generation 8
AMD Ryzen 3 3300X Name Intel Core i5-8400B
 
 

CPU Cores and Base Frequency

The AMD Ryzen 3 3300X has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the AMD Ryzen 3 3300X is 3.8 GHz
and turbo frequency for one core is 4.3 GHz.
The Intel Core i5-8400B has 6 CPU cores and can calculate 6 threads in parallel.
The clock frequency of the Intel Core i5-8400B is 2.8 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.
Yes Overclocking No
3.8 GHz Frequency 2.8 GHz
4 CPU Cores 6
4x Cores 6x
normal Core architecture normal
4.3 GHz Turbo Frequency (all cores) 4.0 GHz
Yes Hyperthreading No
8 Threads 6
4.3 GHz Turbo Frequency (1 core) 3.8 GHz
 
 

Internal Graphics

The AMD Ryzen 3 3300X does not have integrated graphics.
The Intel Core i5-8400B has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-8400B uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- Direct X 12
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 24
-- Generation 9.5
-- GPU (Turbo) 1.15 GHz
-- Release date Q4/2017
GPU name Intel UHD Graphics 630
-- Shaders 192
-- Max. displays --
-- Technology 14 nm
-- GPU frequency 0.35 GHz
 
 

Artificial Intelligence and Machine Learning

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

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.
-- h264 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- AVC Decode / Encode
-- VC-1 Decode
-- h265 / HEVC (8 bit) Decode / Encode
-- VP9 Decode / Encode
-- AV1 No
-- JPEG Decode / Encode
-- VP8 Decode / Encode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 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 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes ECC No
128.0 GB Max. Memory 64.0 GB
2 Memory channels 2
Yes AES-NI Yes
DDR4-3200 Memory type DDR4-2666
pci PCIe pci
51.2 GB/s Bandwidth 42.7 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 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.
95 °C Tjunction max 100 °C
65 W TDP (PL1 / PBP) 65 W
 
 

Technical details

The AMD Ryzen 3 3300X is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-8400B is manufactured using a 14 nm process.
In total, this processor boasts a generous 9.0 MB cache.
-- Part Number --
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
2.0 MB L2-Cache 0 bytes
Chiplet Chip design Monolithic
-- Release price 260 $
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
16.0 MB L3-Cache 9.0 MB
Q2/2020 Release date Q2/2018
Technical data sheet Documents Technical data sheet
AM4 (PGA 1331) Socket BGA 1440
Matisse (Zen 2) Architecture Coffee Lake S
7 nm Technology 14 nm
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2