Raspberry Pi 4 B (Broadcom BCM2711) 对 Raspberry Pi 3 B+ (Broadcom BCM2837B0). 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 Desktop / Server
• 系列
  Broadcom BCM Broadcom BCM
• 一代人
  4 3
• CPU组
  Broadcom BCM2711 Broadcom BCM2837B0

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 1.40 GHz
• CPU核数
  4 4
• 涡轮增压 (1核)
  没有涡轮增压 没有涡轮增压
• CPU线程
  4 4
• Turbo (4 Cores)
  没有涡轮增压 没有涡轮增压
• 超线程
  没有 没有
• 超频
  是 是
• 核心架构
  normal normal
• A core
  4x Cortex-A72 4x Cortex-A53

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 Broadcom VideoCore 5
• GPU frequency
  0.50 GHz 0.40 GHz
• GPU (Turbo)
  没有涡轮增压 没有涡轮增压
• 执行单位
  4 2
• 着色器
  64 24
• Max. GPU Memory
  2 GB 1 GB
• Max. displays
  2 2
• 一代人
  6 5
• 技术过程
  28 nm 40 nm
• 发布日期
  06/2019 02/2016

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 没有
• h265 / HEVC (10 bit)
  Decode 没有
• h264
  Decode / Encode Decode / Encode
• VP9
  Decode 没有
• VP8
  Decode Decode
• 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 Raspberry Pi 3 B+ (Broadcom BCM2837B0) 和 Raspberry Pi 4 B (Broadcom BCM2711). The supported memory frequencies may vary depending on the motherboard configuration.

• 存储器类型
  LPDDR2
• 最大内存
  8192 GB 1024 GB
• ECC
  没有 没有
• 记忆通道
  1 1

• AES-NI
  没有 没有

Analyze the TDP (Thermal Design Power) requirements of Raspberry Pi 4 B (Broadcom BCM2711) 和 Raspberry Pi 3 B+ (Broadcom BCM2837B0) 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 7 W
• TDP down
  3 W 4 W

Information on architecture, interfaces, and additional instructions supported by Raspberry Pi 4 B (Broadcom BCM2711) 和 Raspberry Pi 3 B+ (Broadcom BCM2837B0), including virtual machine technologies and fabrication processes.

• 指令集（ISA）
  x86-64 (64 bit) x86-64 (64 bit)
• 虚拟化
  None None
• L2-Cache
  1.00 MB 0.50 MB
• 建筑学
  Cortex-A72 Cortex-A15
• 技术过程
  28 nm 40 nm
• 插座
  N/A N/A
• 发布日期
  06/2019 02/2016