Qualcomm Snapdragon 7c vs Qualcomm Snapdragon 8cx Gen. 2. Specifications, performance, tests

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

• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• CPU group
  Qualcomm Snapdragon 7c Qualcomm Snapdragon 8cx
• Segment
  Mobile Mobile
• Generation
  2 3
• Successor
  Qualcomm Snapdragon 7c Gen 2 --

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.

• CPU Cores / Threads
  8 / 8 8 / 8
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  2x Kryo 468 Gold 4x Kryo 495 Gold
• B-Core
  6x Kryo 468 Silver 4x Kryo 495 Silver
• Frequency
  2.40 GHz 1.80 GHz
• Turbo (1 Core)
  2.40 GHz 2.84 GHz
• Turbo (8 Cores)
  2.40 GHz 2.84 GHz
• Hyperthreading
  No No
• Overclocking
  No No

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 618 Qualcomm Adreno 690
• GPU frequency
  0.70 GHz 0.25 GHz
• GPU (Turbo)
  No turbo 0.59 GHz
• Shader
  128 0
• Max. GPU Memory
  4 GB --
• Max. displays
  2 0
• Generation
  6 6
• Direct X
  12.1 12.0
• Technology
  14 nm 7 nm
• Release date
  Q2/2019 Q4/2020

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
• VP8
  Decode Decode / Encode
• VP9
  Decode Decode
• AV1
  No No
• AVC
  Decode Decode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Qualcomm Snapdragon 8cx Gen. 2 and Qualcomm Snapdragon 7c. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR4X-2133 LPDDR4X-2133
• Memory channels
  2 8
• ECC
  No No
• AES-NI
  No No

Compare the TDP requirements of TDP Qualcomm Snapdragon 7c and Qualcomm Snapdragon 8cx Gen. 2 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  7 W

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 7c and Qualcomm Snapdragon 7c, virtual machine technologies and process technology.

• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• L3-Cache
  -- 2.00 MB
• Architecture
  Kryo 468 Kryo 495
• Technology
  8 nm 7 nm
• Virtualization
  None None
• Socket
  N/A N/A
• Release date
  2020 Q4/2018
• Part Number
  SC7180 --