Raspberry Pi 4 B (Broadcom BCM2711) 对 Qualcomm Snapdragon 888. 规格、性能、测试

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

• 分段
  Desktop / Server Mobile
• 系列
  Broadcom BCM Qualcomm Snapdragon
• 一代人
  4 8
• CPU组
  Broadcom BCM2711 Qualcomm Snapdragon 888

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.

• 頻率
  1.50 GHz 1.80 GHz
• CPU核数
  4 8
• 涡轮增压 (1核)
  没有涡轮增压 2.84 GHz
• CPU线程
  4 8
• 超线程
  没有 没有
• 超频
  是 没有
• 核心架构
  normal hybrid (Prime / big.LITTLE)
• A core
  4x Cortex-A72 1x Kryo 680 Prime
• B core
  -- 3x Kryo 680 Gold
• C core
  -- 4x Kryo 680 Silver

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.

• GPU名称
  Broadcom VideoCore VI Qualcomm Adreno 660
• GPU frequency
  0.50 GHz 0.84 GHz
• GPU (Turbo)
  没有涡轮增压 没有涡轮增压
• 执行单位
  4 0
• 着色器
  64 0
• Max. GPU Memory
  2 GB --
• Max. displays
  2 0
• 一代人
  6 6
• DirectX Version
  12.1
• 技术过程
  28 nm 5 nm
• 发布日期
  06/2019 Q1/2021

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)
  Decode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP9
  Decode Decode / Encode
• VP8
  Decode Decode / Encode
• AV1
  没有 没有
• AVC
  Decode Decode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Overview of the types and quantities of RAM supported by Qualcomm Snapdragon 888 和 Raspberry Pi 4 B (Broadcom BCM2711). The supported memory frequencies may vary depending on the motherboard configuration.

• 存储器类型
  LPDDR4X-4266LPDDR5-3200
• 最大内存
  8192 GB
• ECC
  没有 没有
• 记忆通道
  1 4

• AES-NI
  没有 没有

Analyze the TDP (Thermal Design Power) requirements of Raspberry Pi 4 B (Broadcom BCM2711) 和 Qualcomm Snapdragon 888 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  7.5 W
• TDP down
  3 W --

Information on architecture, interfaces, and additional instructions supported by Raspberry Pi 4 B (Broadcom BCM2711) 和 Qualcomm Snapdragon 888, including virtual machine technologies and fabrication processes.

• 指令集（ISA）
  x86-64 (64 bit) ARMv8-A64 (64 bit)
• 虚拟化
  None None
• L2-Cache
  1.00 MB 1.00 MB
• L2-Cache
  -- 8.00 MB
• 建筑学
  Cortex-A72 Kryo 680
• 技术过程
  28 nm 5 nm
• 插座
  N/A N/A
• 发布日期
  06/2019 Q1/2021