Qualcomm Snapdragon 821 versus Samsung Exynos 7904. Especificações, desempenho, testes

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Série
  Qualcomm Snapdragon Samsung Exynos
• Grupo CPU
  Qualcomm Snapdragon 820 Samsung Exynos 7872/7884/7885/7904
• Segmento
  Mobile Mobile
• Geração
  3 2

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• CPU Cores / Threads
  4 / 4 8 / 8
• Arquitectura central
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  2x Kryo 2x Cortex-A73
• B-Core
  2x Kryo 6x Cortex-A53
• Frequência
  1.60 GHz 1.60 GHz
• Turbo (1 núcleo)
  2.40 GHz 1.80 GHz
• Hyperthreading
  Não Não
• Overclocking
  Não Não

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• Nome da GPU
  Qualcomm Adreno 530 ARM Mali-G71 MP2
• GPU frequency
  0.62 GHz 0.77 GHz
• GPU (Turbo)
  0.62 GHz Sem turbo
• Unidades de execução
  0 2
• Shader
  256 32
• Max. GPU Memory
  -- 2 GB
• Max. displays
  0 1
• Geração
  5 Bifrost 1
• Direct X
  11,1 11
• Processo técnico
  14 nm 16 nm
• Data de lançamento
  Q4/2015 Q2/2016

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• h265 / HEVC (8 bit)
  Decode Decode / Encode
• h265 / HEVC (10 bit)
  Não Decode
• h264
  Decode Decode / Encode
• VP8
  Decode Decode / Encode
• VP9
  Decode Não
• AV1
  Não Não
• AVC
  Não Decode / Encode
• VC-1
  Decode Não
• JPEG
  Decode Decode / Encode

Overview of the types and quantities of RAM supported by Samsung Exynos 7904 e Qualcomm Snapdragon 821. The supported memory frequencies may vary depending on the motherboard configuration.

• Tipo de memória
  LPDDR4-1866 LPDDR4-1866
• Canais de memória
  4 2
• ECC
  Não Não
• AES-NI
  Não Não

Analyze the TDP (Thermal Design Power) requirements of Qualcomm Snapdragon 821 e Samsung Exynos 7904 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

Information on architecture, interfaces, and additional instructions supported by Qualcomm Snapdragon 821 e Samsung Exynos 7904, including virtual machine technologies and fabrication processes.

• Conjunto de instruções (ISA)
  ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
• Arquitectura
  Kryo Cortex-A73 / Cortex-A53
• Processo técnico
  14 nm 14 nm
• Virtualização
  None None
• Socket
  N/A N/A
• Data de lançamento
  Q3/2016 Q1/2019
• Part Number
  MSM8996 Pro-AB --