Qualcomm Snapdragon 678 vs Qualcomm Snapdragon 865. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• Generation
  7 7
• CPU group
  Qualcomm Snapdragon 675/678 Qualcomm Snapdragon 865/870
• Predecessor
  Qualcomm Snapdragon 675 --

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
  1.70 GHz 1.80 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  2.20 GHz 2.84 GHz
• CPU Threads
  8 8
• Turbo (8 Cores)
  1.70 GHz 2.42 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  hybrid (big.LITTLE) hybrid (Prime / big.LITTLE)
• A core
  2x Kryo 460 Gold 1x Kryo 585 Prime
• B core
  6x Kryp 460 Silver 3x Kryo 585 Gold
• C core
  -- 4x Kryo 585 Silver

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
  Qualcomm Adreno 612 Qualcomm Adreno 650
• GPU frequency
  0.85 GHz 0.25 GHz
• GPU (Turbo)
  0.85 GHz 0.59 GHz
• Execution units
  0 2
• Shader
  0 512
• Max. displays
  0 1
• Generation
  6 6
• DirectX Version
  12.1 12.0
• Technology
  11 nm 7 nm
• Release date
  Q4/2019

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

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

Types, channel quantity of RAM supported by Qualcomm Snapdragon 865 and Qualcomm Snapdragon 678. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR4X-1866 LPDDR4X-4266
• Max. Memory
  16 GB
• ECC
  No No
• Memory channels
  2 4

• AES-NI
  No No

Compare the TDP requirements of TDP Qualcomm Snapdragon 678 and Qualcomm Snapdragon 865 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  10 W

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 678 and Qualcomm Snapdragon 678, virtual machine technologies and process technology.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• L2-Cache
  -- 2.00 MB
• L3-Cache
  -- 3.00 MB
• Architecture
  Kryo 460 Kryo 585
• Technology
  11 nm 7 nm
• Socket
  N/A N/A
• Release date
  Q4/2020 Q4/2019
• Part Number
  SM6150-AC SM8250