AMD Ryzen 3 4300U vs Intel Core i5-8400. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• Segment
  Mobile Desktop / Server
• Family
  AMD Ryzen Intel Core i5
• Generation
  3 8
• CPU group
  AMD Ryzen 4000U Intel Core i 8000
• Predecessor
  -- Intel Core i5-7400
• Successor
  -- Intel Core i5-9400

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Frequency
  2.70 GHz 2.80 GHz
• CPU Cores
  4 6
• Turbo (1 Core)
  3.70 GHz 4.00 GHz
• CPU Threads
  4 6
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  normal normal

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU name
  AMD Radeon 5 Graphics (Renoir) Intel UHD Graphics 630
• GPU frequency
  1.40 GHz 0.35 GHz
• GPU (Turbo)
  No turbo 1.15 GHz
• Execution units
  5 24
• Shader
  320 192
• Max. GPU Memory
  2 GB 64 GB
• Max. displays
  3 3
• Generation
  9 9.5
• DirectX Version
  12 12
• Technology
  7 nm 14 nm
• Release date
  Q1/2020 Q4/2017

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

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

Types, channel quantity of RAM supported by Intel Core i5-8400 and AMD Ryzen 3 4300U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR4-2666
• Max. Memory
  64 GB 128 GB
• ECC
  Yes No
• Memory channels
  2 2
• PCIe version
  3.0 3.0
• PCIe lanes
  12 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 3 4300U and Intel Core i5-8400 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  15 W 65 W
• TDP up
  25 W --
• TDP down
  10 W --
• Tjunction max.
  105 °C --

Architecture, interfaces, additional instructions supported by AMD Ryzen 3 4300U and AMD Ryzen 3 4300U, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2
• L3-Cache
  8.00 MB 9.00 MB
• Architecture
  Renoir (Zen 2) Coffee Lake S
• Technology
  7 nm 14 nm
• Socket
  FP6 LGA 1151-2
• Release date
  Q1/2020 Q4/2017