HiSilicon Kirin 925 对 Apple A8. 规格、性能、测试

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

• 分段
  Mobile Mobile
• 系列
  HiSilicon Kirin Apple A series
• 一代人
  2 8
• CPU组
  HiSilicon Kirin 920 Apple A8/A8X
• 过去的模式
  -- Apple A7
• Successor
  -- Apple A9

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
  1.30 GHz 1.10 GHz
• CPU核数
  8 2
• 涡轮增压 (1核)
  1.80 GHz 1.50 GHz
• CPU线程
  8 2
• 超线程
  没有 没有
• 超频
  没有 没有
• 核心架构
  hybrid (big.LITTLE) normal
• A core
  4x Cortex-A15 2x Typhoon
• B core
  4x Cortex-A7 --

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
  ARM Mali-T628 MP4 Apple A8
• GPU frequency
  0.60 GHz 0.53 GHz
• GPU (Turbo)
  0.60 GHz 没有涡轮增压
• 执行单位
  4 4
• 着色器
  64 128
• Max. GPU Memory
  -- 4 GB
• Max. displays
  1 1
• 一代人
  Midgard 2 5
• DirectX Version
  11
• 技术过程
  32nm 20 nm
• 发布日期
  Q4/2012 Q3/2014

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

Overview of the types and quantities of RAM supported by Apple A8 和 HiSilicon Kirin 925. The supported memory frequencies may vary depending on the motherboard configuration.

• 存储器类型
  LPDDR3-1600 LPDDR3-1600
• 最大内存
  2 GB
• ECC
  没有 没有
• 记忆通道
  2 1

• AES-NI
  没有 没有

Analyze the TDP (Thermal Design Power) requirements of HiSilicon Kirin 925 和 Apple A8 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  5 W

Information on architecture, interfaces, and additional instructions supported by HiSilicon Kirin 925 和 Apple A8, including virtual machine technologies and fabrication processes.

• 指令集（ISA）
  ARMv7-A32 (32 bit) x86-64 (64 bit)
• 虚拟化
  None None
• L2-Cache
  -- 1.00 MB
• L2-Cache
  -- 4.00 MB
• 建筑学
  Cortex-A15 / Cortex-A7 A8
• 技术过程
  28 nm 20 nm
• 插座
  N/A N/A
• 发布日期
  Q3/2014 Q3/2014