Intel Celeron 847 vs Intel Core2 Duo E7400. Specifications, performance, tests

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

• Segment
  Mobile Desktop
• Family
  Intel Celeron Intel Core2 Duo
• Generation
  2 2
• CPU group
  Intel Celeron 800 Intel Core 2 Duo E7000/E8000
• Predecessor
  -- No
• Successor
  -- No

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Frequency
  1.10 GHz 2.80 GHz
• CPU Cores
  2 2
• Turbo (1 Core)
  No turbo No
• CPU Threads
  2 2
• Turbo (2 Cores)
  No turbo No
• Hyperthreading
  No No
• Overclocking
  No Yes
• Core architecture
  normal normal

Types, channel quantity of RAM supported by Intel Core2 Duo E7400 and Intel Celeron 847. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3L-1333 SO-DIMM DDR2-1066 / DDR3-1333
• Max. Memory
  16 GB
• ECC
  No No
• Memory channels
  2 2

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Celeron 847 and Intel Core2 Duo E7400 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  17 W 65 W
• TDP up
  -- No
• TDP (PL2)
  -- No
• TDP down
  -- No
• Tjunction max.
  -- 80 °C

Architecture, interfaces, additional instructions supported by Intel Celeron 847 and Intel Celeron 847, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x
• ISA extensions
  SSE4.1, SSE4.2 MMX, SSE, SSE2, SSE3, SSE 4.1
• L2-Cache
  -- 3.00 MB
• L3-Cache
  2.00 MB No
• Architecture
  Sandy Bridge U Wolfdale
• Technology
  32 nm 45 nm
• Socket
  BGA 1023 LGA 775
• Release date
  Q2/2011 Q4/2008