Intel Atom x7-Z8700 对 HiSilicon Kirin 925. 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
  Intel Atom HiSilicon Kirin
• 一代人
  1 2
• CPU组
  Intel Atom x3/x5/x7 HiSilicon Kirin 920

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
  1.60 GHz 1.30 GHz
• CPU核数
  4 8
• 涡轮增压 (1核)
  2.40 GHz 1.80 GHz
• CPU线程
  4 8
• 超线程
  没有 没有
• 超频
  没有 没有
• 核心架构
  normal hybrid (big.LITTLE)
• A core
  -- 4x Cortex-A15
• 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
  Intel HD Graphics 405 (16EU) ARM Mali-T628 MP4
• GPU frequency
  0.20 GHz 0.60 GHz
• GPU (Turbo)
  0.60 GHz 0.60 GHz
• 执行单位
  16 4
• 着色器
  128 64
• Max. GPU Memory
  8 GB --
• Max. displays
  3 1
• 一代人
  8 Midgard 2
• DirectX Version
  12 11
• 技术过程
  14 nm 32nm
• 发布日期
  Q2/2015 Q4/2012

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

Overview of the types and quantities of RAM supported by HiSilicon Kirin 925 和 Intel Atom x7-Z8700. The supported memory frequencies may vary depending on the motherboard configuration.

• 存储器类型
  LPDDR3-1600 LPDDR3-1600
• ECC
  没有 没有
• 记忆通道
  2 2
• PCIe版本
  2.0
• PCIe通道
  2

• AES-NI
  是 没有

Analyze the TDP (Thermal Design Power) requirements of Intel Atom x7-Z8700 和 HiSilicon Kirin 925 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  2 W

Information on architecture, interfaces, and additional instructions supported by Intel Atom x7-Z8700 和 HiSilicon Kirin 925, including virtual machine technologies and fabrication processes.

• 指令集（ISA）
  x86-64 (64 bit) ARMv7-A32 (32 bit)
• 虚拟化
  VT-x, VT-x EPT None
• ISA扩展
  SSE4.1, SSE4.2
• L2-Cache
  2.00 MB --
• 建筑学
  Cherry Trail Cortex-A15 / Cortex-A7
• 技术过程
  14 nm 28 nm
• 插座
  BGA 138 N/A
• 发布日期
  Q1/2015 Q3/2014