MediaTek Dimensity 900 vs Qualcomm Snapdragon 870. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Mediatek Dimensity Qualcomm Snapdragon
• Generation
  2 7
• CPU group
  MediaTek Dimensity 900/920 Qualcomm Snapdragon 865/870

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
  2.00 GHz 1.80 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  2.40 GHz 3.20 GHz
• CPU Threads
  8 8
• Turbo (8 Cores)
  2.00 GHz 2.42 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  hybrid (big.LITTLE) hybrid (Prime / big.LITTLE)
• A core
  2x Cortex-A78 1x Kryo 585 Prime
• B core
  6x Cortex-A55 3x Kryo 585 Gold
• C core
  -- 4x Kryo 585 Silver

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
  ARM Mali-G68 MP4 Qualcomm Adreno 650
• GPU frequency
  0.85 GHz 0.25 GHz
• GPU (Turbo)
  No turbo 0.67 GHz
• Execution units
  4 2
• Shader
  64 512
• Max. displays
  1 1
• Generation
  Vallhall 2 6
• DirectX Version
  12 12.0
• Technology
  6 nm 7 nm
• Release date
  Q2/2020 Q4/2019

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)
  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
  Decode No
• AVC
  Decode / Encode Decode
• VC-1
  Decode / Encode Decode
• JPEG
  Decode / Encode Decode / Encode

Overview of the types and quantities of RAM supported by Qualcomm Snapdragon 870 and MediaTek Dimensity 900. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  LPDDR4XLPDDR5 LPDDR4X-4266LPDDR5-5500
• Max. Memory
  16 GB 16 GB
• ECC
  No No
• Memory channels
  4 4

• AES-NI
  No No

Analyze the TDP (Thermal Design Power) requirements of MediaTek Dimensity 900 and Qualcomm Snapdragon 870 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  10 W 10 W

Information on architecture, interfaces, and additional instructions supported by MediaTek Dimensity 900 and Qualcomm Snapdragon 870, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• L2-Cache
  -- 2.00 MB
• L3-Cache
  2.00 MB 3.00 MB
• Architecture
  Cortex-A78 / Cortex-A55 Kryo 585
• Technology
  6 nm 7 nm
• Socket
  N/A N/A
• Release date
  Q2/2021 Q2/2021
• Part Number
  MT6877 SM8250-AC