Intel Core2 Duo E8700 vs Intel Core2 Duo E8400. Specifications, performance, tests

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

• CPU group
  Intel Core 2 Duo E7000/E8000 Intel Core 2 Duo E7000/E8000
• Family
  Intel Core2 Duo Intel Core2 Duo
• Generation
  2 2
• Predecessor
  No No
• Segment
  Desktop Desktop
• Successor
  No No

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

• Base Frequency
  3.5 GHz 3 GHz
• Core architecture
  normal normal
• CPU Cores
  2 2
• CPU Threads
  2 2
• Hyperthreading / SMT
  No No
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  No No
• Turbo Frequency (2 Cores)
  No turbo No turbo

Types, channel quantity of RAM supported by Intel Core2 Duo E8400 and Intel Core2 Duo E8700. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  16 GB 16 GB
• Memory channels
  2 2
• Memory type
  DDR2-1066 / DDR3-1333 DDR2-1066 / DDR3-1333

• AES-NI
  No No

Compare the TDP requirements of TDP Intel Core2 Duo E8700 and Intel Core2 Duo E8400 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
  80 °C 80 °C
• TDP (PL1, legacy label)
  65 W 65 W
• TDP (PL2)
  No No
• TDP down
  No No
• TDP up
  No No

Architecture, interfaces, additional instructions supported by Intel Core2 Duo E8700 and Intel Core2 Duo E8400, virtual machine technologies and process technology.

• Architecture
  Wolfdale Wolfdale
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, SSE, SSE2, SSE3, SSE 4.1 MMX, SSE, SSE2, SSE3, SSE 4.1
• L2-Cache
  6.00 MB 6.00 MB
• L3-Cache
  No No
• Release date
  Q1/2009 Q1/2008
• Socket
  LGA 775 LGA 775
• Technology
  45 nm 45 nm
• Virtualization
  VT-x VT-x