AMD A8-3870K vs AMD Athlon 300U. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Desktop / Server Mobile
• Family
  AMD A AMD Athlon
• Generation
  1 6
• CPU group
  AMD A8-3000 AMD Athlon 300

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  3.10 GHz 2.40 GHz
• CPU Cores
  4 2
• Turbo (1 Core)
  No turbo 3.30 GHz
• CPU Threads
  4 4
• Hyperthreading
  No Yes
• Overclocking
  Yes No
• Core architecture
  normal normal

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  AMD Radeon HD 6550D AMD Radeon Vega 3 Graphics
• GPU frequency
  0.60 GHz 1.00 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  5 3
• Shader
  400 192
• Max. GPU Memory
  1 GB 2 GB
• Max. displays
  2 3
• Generation
  3 8
• DirectX Version
  11 12
• Technology
  32 nm 14 nm
• Release date
  Q2/2011 Q1/2018

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

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

Overview of the types and quantities of RAM supported by AMD Athlon 300U and AMD A8-3870K. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR3-1600 DDR4-2400
• Max. Memory
  32 GB
• ECC
  No Yes
• Memory channels
  2 2
• PCIe version
  3.0
• PCIe lanes
  12

• AES-NI
  No Yes

Analyze the TDP (Thermal Design Power) requirements of AMD A8-3870K and AMD Athlon 300U to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  100 W 15 W
• Tjunction max.
  -- 105 °C

Information on architecture, interfaces, and additional instructions supported by AMD A8-3870K and AMD Athlon 300U, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V AMD-V, SVM
• ISA extensions
  SSE3, SSE4a SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  4.00 MB 4.00 MB
• Architecture
  Llano (K10) Picasso (Zen+)
• Technology
  32 nm 12 nm
• Socket
  FM1 FP5
• Release date
  Q4/2011 Q1/2019