Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 888. Specifications, performance, tests

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

• CPU group
  Qualcomm Snapdragon 820 Qualcomm Snapdragon 888
• Family
  Qualcomm Snapdragon Qualcomm Snapdragon
• Generation
  3 8
• Segment
  Mobile Mobile

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• A-Core
  2x Kryo 1x Kryo 680 Prime
• B-Core
  2x Kryo 3x Kryo 680 Gold
• Base Frequency
  1.6 GHz 1.8 GHz
• C-Core
  - 4x Kryo 680 Silver
• Core architecture
  hybrid (big.LITTLE) hybrid (Prime / big.LITTLE)
• CPU Cores
  4 8
• CPU Threads
  4 8
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  2.4 GHz 2.84 GHz
• Turbo Frequency (4 Cores)
  2.4 GHz -
• Turbo Frequency (8 Cores)
  - 2.4 GHz

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• DirectX Version
  11,1 12.1
• Execution units
  0 0
• Generation
  5 6
• GPU Frequency
  620 MHz 840 MHz
• GPU name
  Qualcomm Adreno 530 Qualcomm Adreno 660
• GPU Turbo
  620 MHz No turbo
• Max. displays
  0 0
• Release date
  Q4/2015 Q1/2021
• Shader
  256 0
• Technology
  14 nm 5 nm

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

• AV1
  No No
• H.264 / AVC
  Conflicting source values: Decode | No Conflicting source values: Decode | Decode / Encode
• h265 / HEVC (8 bit)
  Decode Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• JPEG
  Decode Decode / Encode
• VC-1
  Decode Decode
• VP8
  Decode Decode / Encode
• VP9
  Decode Decode / Encode

Types, channel quantity of RAM supported by Qualcomm Snapdragon 888 and Qualcomm Snapdragon 821. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  4 4
• Memory type
  LPDDR4-1866 LPDDR4X-4266LPDDR5-3200

• AES-NI
  No No

Compare the TDP requirements of TDP Qualcomm Snapdragon 821 and Qualcomm Snapdragon 888 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

Architecture, interfaces, additional instructions supported by Qualcomm Snapdragon 821 and Qualcomm Snapdragon 888, virtual machine technologies and process technology.

• Architecture
  Kryo Kryo 680
• Instruction set (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• L2-Cache
  - 1 MB
• L3-Cache
  - 8 MB
• Part Number
  MSM8996 Pro-AB -
• Release date
  Q3/2016 Q1/2021
• Technology
  14 nm 5 nm
• Virtualization
  None None