Intel Core2 Duo E8400 vs Intel Core i5-2500. Specifications

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

• CPU group
  Intel Core 2 Duo E7000/E8000 Intel Core i 2000
• Family
  Intel Core2 Duo Intel Core i5
• Generation
  2 2
• Predecessor
  No -
• Segment
  Desktop Desktop / Server
• 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 GHz 3.3 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 3.7 GHz
• Turbo Frequency (2 Cores)
  No turbo -
• Turbo Frequency (4 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
  - 10.1
• Execution units
  - 6
• Generation
  - 6
• GPU Frequency
  - 850 MHz
• GPU name
  - Intel HD Graphics 2000
• GPU Turbo
  - 1100 MHz
• Max. displays
  - 2
• Release date
  - Q1/2011
• Shader
  - 48
• Technology
  - 32 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
  - No
• VC-1
  - Decode
• VP8
  - No
• VP9
  - No

Types, channel quantity of RAM supported by Intel Core i5-2500 and Intel Core2 Duo E8400. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  16 GB 32 GB
• Memory channels
  2 2
• Memory type
  DDR2-1066 / DDR3-1333 DDR3-1333
• PCIe lanes
  - 16
• PCIe version
  - 2.0

• AES-NI
  No Yes

Compare the TDP requirements of TDP Intel Core2 Duo E8400 and Intel Core i5-2500 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)
  65 W 95 W
• TDP (PL2)
  No -
• TDP down
  No -
• TDP up
  No -

Architecture, interfaces, additional instructions supported by Intel Core2 Duo E8400 and Intel Core i5-2500, virtual machine technologies and process technology.

• Architecture
  Wolfdale Sandy Bridge S
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, SSE, SSE2, SSE3, SSE 4.1 SSE4.1, SSE4.2, AVX
• L2-Cache
  6 MB -
• L3-Cache
  No 6 MB
• Release date
  Q1/2008 Q1/2011
• Socket
  LGA 775 LGA 1155
• Technology
  45 nm 32 nm
• Virtualization
  VT-x VT-x, VT-x EPT