Intel Core i7-3770 vs Intel Core2 Duo E8400. Specifications, performance, tests

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

• CPU group
  Intel Core i 3000 Intel Core 2 Duo E7000/E8000
• Family
  Intel Core i7 Intel Core2 Duo
• Generation
  3 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
  3.4 GHz 3 GHz
• Core architecture
  normal normal
• CPU Cores
  4 2
• CPU Threads
  8 2
• Hyperthreading / SMT
  Yes No
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  3.9 GHz No
• Turbo Frequency (4 Cores)
  3.9 GHz -
• Turbo Frequency (2 Cores)
  - 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.

• DirectX Version
  11.0 -
• Execution units
  16 -
• Generation
  7 -
• GPU Frequency
  650 MHz -
• GPU name
  Intel HD Graphics 4000 -
• GPU Turbo
  1150 MHz -
• Max. displays
  3 -
• Release date
  Q1/2011 -
• Shader
  128 -
• Technology
  22 nm -

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

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

Types, channel quantity of RAM supported by Intel Core2 Duo E8400 and Intel Core i7-3770. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  32 GB 16 GB
• Memory channels
  2 2
• Memory type
  - DDR2-1066 / DDR3-1333
• PCIe lanes
  16 -
• PCIe version
  3.0 -

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Core i7-3770 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
• TDP (PL1, legacy label)
  77 W 65 W
• TDP (PL2)
  - No
• TDP down
  - No
• TDP up
  - No

Architecture, interfaces, additional instructions supported by Intel Core i7-3770 and Intel Core2 Duo E8400, virtual machine technologies and process technology.

• Architecture
  Ivy Bridge S Wolfdale
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX MMX, SSE, SSE2, SSE3, SSE 4.1
• L2-Cache
  - 6 MB
• L3-Cache
  8 MB No
• Release date
  Q2/2012 Q1/2008
• Socket
  LGA 1155 LGA 775
• Technology
  22 nm 45 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x