Qualcomm Snapdragon 845 vs Qualcomm Snapdragon 778G. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• Generation
  5 4
• CPU group
  Qualcomm Snapdragon 845 Qualcomm Snapdragon 778

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
  1.80 GHz 1.90 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  2.80 GHz 2.40 GHz
• CPU Threads
  8 8
• Turbo (8 Cores)
  2.80 GHz 2.20 GHz
• Hyperthreading
  No No
• Overclocking
  No No
• Core architecture
  hybrid (big.LITTLE) hybrid (Prime / big.LITTLE)
• A core
  4x Kryo 385 Gold 1x Kryo 670 Prime
• B core
  4x Kryo 385 Silver 3x Kryo 670 Gold
• C core
  -- 4x Kryo 670 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 630 Qualcomm Adreno 642L
• GPU frequency
  0.70 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  0 4
• Shader
  256 384
• Max. GPU Memory
  8 GB 4 GB
• Max. displays
  2 1
• Generation
  4 5
• DirectX Version
  11 12.0
• Technology
  10 nm 6 nm
• Release date
  Q1/2018 Q2/2021

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 778G and Qualcomm Snapdragon 845. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR4X-1866 LPDDR4X-2133
• Max. Memory
  8 GB 16 GB
• ECC
  No No
• Memory channels
  4 2

• AES-NI
  No No

Compare the TDP requirements of TDP Qualcomm Snapdragon 845 and Qualcomm Snapdragon 778G to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 845 and Qualcomm Snapdragon 845, virtual machine technologies and process technology.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  None None
• L2-Cache
  0.51 MB --
• L3-Cache
  2.00 MB 2.00 MB
• Architecture
  Kryo 385 Kryo 670
• Technology
  10 nm 6 nm
• Socket
  N/A N/A
• Release date
  Q1/2018 Q2/2021
• Part Number
  SDM845 SM7325