Qualcomm Snapdragon 855 vs Qualcomm Snapdragon 8 Gen 2

Let's find out which one of Qualcomm Snapdragon 855 and Qualcomm Snapdragon 8 Gen 2 is of a more recent generation, and what segment it belongs to.

• Name
  Qualcomm Snapdragon 855 Qualcomm Snapdragon 8 Gen 2
• Segment
  Mobile Mobile
• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• Generation
  6 2
• CPU group
  Qualcomm Snapdragon 855/860 Qualcomm Snapdragon 7/8 Gen 2
• Predecessor
  -- Qualcomm Snapdragon 8 Gen 1

In this block we are going to compare Qualcomm Snapdragon 855 vs Qualcomm Snapdragon 8 Gen 2 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

• Overclocking
  No No
• Core architecture
  hybrid (Prime / big.LITTLE) hybrid (Prime / big.LITTLE)

Common specifications for integrated graphics cards in Qualcomm Snapdragon 855 and Qualcomm Snapdragon 8 Gen 2 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  Qualcomm Adreno 640 Qualcomm Adreno SD 8 G2
• GPU frequency
  0.25 GHz 1.00 GHz
• GPU (Turbo)
  0.59 GHz No turbo
• Execution units
  4 0
• Shader
  384 0
• Max. GPU Memory
  4 GB --
• Max. displays
  1 0
• Generation
  5 7
• Technology
  7 nm 4 nm
• Release date
  Q1/2019 Q4/2022

Let's compare the support of video codecs between Qualcomm Snapdragon 855 and Qualcomm Snapdragon 8 Gen 2. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between Qualcomm Snapdragon 855 and Qualcomm Snapdragon 8 Gen 2 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

• Memory type
  LPDDR4X-4266 LPDDR5-6400
• Max. Memory
  16 GB 16 GB
• ECC
  No No
• Memory channels
  4 4 (Quad Channel)

Let's find out what TDP value would be better for Qualcomm Snapdragon 855 or Qualcomm Snapdragon 8 Gen 2? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Here you can find a comparison of 2nd and 3rd level cache sizes for Qualcomm Snapdragon 855 and Qualcomm Snapdragon 8 Gen 2 CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv9-A64 (64 bit)
• Virtualization
  None None
• L2-Cache
  2.00 MB --
• L3-Cache
  3.00 MB --
• Architecture
  Kryo 485 Cortex-X3 / -A715 / -A510
• Technology
  7 nm 4 nm
• Socket
  N/A N/A
• Release date
  Q4/2018 Q4/2022
• Part Number
  SM8150 --