Intel Core i7-2640M 对 Intel Core i7-2649M. 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 Core i7 Intel Core i7
• 一代人
  2 2
• CPU组
  Intel Core i 2000M Intel Core i 2000M

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
  2.80 GHz 2.30 GHz
• CPU核数
  2 2
• 涡轮增压 (1核)
  3.50 GHz 3.20 GHz
• CPU线程
  4 4
• Turbo (2 Cores)
  没有涡轮增压 没有涡轮增压
• 超线程
  是 是
• 超频
  没有 没有
• 核心架构
  normal normal

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 3000 Intel HD Graphics 3000
• GPU frequency
  0.65 GHz 0.50 GHz
• GPU (Turbo)
  1.30 GHz 1.10 GHz
• 执行单位
  12 12
• 着色器
  96 96
• Max. displays
  2 2
• 一代人
  6 6
• DirectX Version
  10.1 10.1
• 技术过程
  32 nm 32 nm
• 发布日期
  Q1/2011 Q1/2011

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

Overview of the types and quantities of RAM supported by Intel Core i7-2649M 和 Intel Core i7-2640M. The supported memory frequencies may vary depending on the motherboard configuration.

• 存储器类型
  DDR3-1066DDR3-1333 DDR3-1066DDR3-1333
• 最大内存
  16 GB 8 GB
• ECC
  没有 没有
• 记忆通道
  2 2
• PCIe版本
  2.0 2.0
• PCIe通道
  16 16

• AES-NI
  是 是

Analyze the TDP (Thermal Design Power) requirements of Intel Core i7-2640M 和 Intel Core i7-2649M to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  35 W 25 W
• 最高温度
  100 °C 100 °C

Information on architecture, interfaces, and additional instructions supported by Intel Core i7-2640M 和 Intel Core i7-2649M, including virtual machine technologies and fabrication processes.

• 指令集（ISA）
  x86-64 (64 bit) x86-64 (64 bit)
• 虚拟化
  VT-x, VT-x EPT VT-x, VT-x EPT
• ISA扩展
  SSE4.1, SSE4.2, AVX SSE4.1, SSE4.2, AVX
• L2-Cache
  4.00 MB 4.00 MB
• 建筑学
  Sandy Bridge H Sandy Bridge H
• 技术过程
  32 nm 32 nm
• 插座
  BGA 1023 BGA 1023
• 发布日期
  Q4/2011 Q1/2011