Intel Core2 Duo E6700 vs Intel Core 2 Quad Q9550. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• CPU group
  Intel Core 2 Duo Intel Core 2 Quad Q8000/Q9000
• Family
  Intel Core2 Duo Intel Core2 Duo
• Generation
  1 2
• Predecessor
  - No
• Segment
  Desktop / Server Desktop
• Successor
  - No

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  2.66 GHz 2.83 GHz
• Core architecture
  normal normal
• CPU Cores
  2 4
• CPU Threads
  2 4
• Hyperthreading / SMT
  No No
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  No turbo No
• Turbo Frequency (2 Cores)
  No turbo No turbo

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU name
  no iGPU -
• GPU Turbo
  No turbo -

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  No -
• H.264 / AVC
  No -
• h265 / HEVC (8 bit)
  No -
• h265 / HEVC (10 bit)
  No -
• JPEG
  No -
• VC-1
  No -
• VP8
  No -
• VP9
  No -

Types, channel quantity of RAM supported by Intel Core 2 Quad Q9550 and Intel Core2 Duo E6700. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  - 16 GB
• Memory channels
  1 2
• Memory type
  DDR2-1066 DDR2-800 / DDR3-1066

• AES-NI
  No No

Compare the TDP requirements of TDP Intel Core2 Duo E6700 and Intel Core 2 Quad Q9550 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  - 90 °C
• TDP (PL1, legacy label)
  65 W 95 W
• TDP (PL2)
  - No
• TDP down
  - No
• TDP up
  - No

Architecture, interfaces, additional instructions supported by Intel Core2 Duo E6700 and Intel Core 2 Quad Q9550, virtual machine technologies and process technology.

• Architecture
  Conroe Yorkfield
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE3 MMX, SSE2, SSE3, SSE4.1
• L2-Cache
  - 12 MB
• L3-Cache
  4 MB No
• Release date
  Q3/2006 Q1/2008
• Socket
  LGA 775 LGA 775
• Technology
  65 nm 45 nm
• Virtualization
  VT-x VT-x, VT-d