Intel Pentium 987 vs Intel Core i7-2640M. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Pentium Intel Core i7
• Generation
  2 2
• CPU group
  Intel Pentium 900 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.

• Frequency
  1.50 GHz 2.80 GHz
• CPU Cores
  2 2
• Turbo (1 Core)
  No turbo 3.50 GHz
• CPU Threads
  2 4
• Turbo (2 Cores)
  No turbo No turbo
• Hyperthreading
  No Yes
• Overclocking
  No No
• Core architecture
  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 name
  Intel HD Graphics (Sandy Bridge GT1) Intel HD Graphics 3000
• GPU frequency
  0.35 GHz 0.65 GHz
• GPU (Turbo)
  1.00 GHz 1.30 GHz
• Execution units
  6 12
• Shader
  48 96
• Max. displays
  2 2
• Generation
  6 6
• DirectX Version
  10.1 10.1
• Technology
  32 nm 32 nm
• Release date
  Q2/2011 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)
  No No
• h265 / HEVC (10 bit)
  No No
• h264
  Decode / Encode Decode / Encode
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  No Decode / Encode
• VC-1
  Decode Decode
• JPEG
  No No

Overview of the types and quantities of RAM supported by Intel Core i7-2640M and Intel Pentium 987. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR3-1066DDR3-1333 DDR3-1066DDR3-1333
• Max. Memory
  16 GB 16 GB
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  2.0 2.0
• PCIe lanes
  16 16

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Pentium 987 and Intel Core i7-2640M to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  17 W 35 W
• Tjunction max.
  100 °C 100 °C

Information on architecture, interfaces, and additional instructions supported by Intel Pentium 987 and Intel Core i7-2640M, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX
• L3-Cache
  2.00 MB 4.00 MB
• Architecture
  Sandy Bridge U Sandy Bridge H
• Technology
  32 nm 32 nm
• Socket
  BGA 1023 BGA 1023
• Release date
  Q3/2012 Q4/2011