Intel Core 2 Quad Q8400 vs AMD FX-8320. Specifications, performance, tests

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

• CPU group
  Intel Core 2 Quad Q8000/Q9000 AMD FX-8000
• Family
  Intel Core2 Duo FX-Series
• Generation
  2 2
• Predecessor
  No -
• Segment
  Desktop Desktop / Server
• Successor
  No -
• Form Factor
  - Desktops
• Series
  - FX 8-Core Black Edition Processors

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 3.5 GHz
• Core architecture
  normal normal
• CPU Cores
  4 8
• CPU Threads
  4 8
• Hyperthreading / SMT
  No No
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  No 4 GHz
• Turbo Frequency (2 Cores)
  No turbo -
• Max. Boost Clock
  - 4 GHz
• Turbo Frequency (8 Cores)
  - 3.75 GHz

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
  - None
• 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 AMD FX-8320 and Intel Core 2 Quad Q8400. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  16 GB -
• Memory channels
  2 2
• Memory type
  DDR2-800 / DDR3-1066 DDR3
• System Memory Specification
  - 1866

• AES-NI
  No Yes

Compare the TDP requirements of TDP Intel Core 2 Quad Q8400 and AMD FX-8320 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 61.1 °C
• TDP (PL1, legacy label)
  95 W 125 W
• TDP (PL2)
  No -
• TDP down
  No -
• TDP up
  No -
• Default TDP
  - 125 W

Architecture, interfaces, additional instructions supported by Intel Core 2 Quad Q8400 and AMD FX-8320, virtual machine technologies and process technology.

• Architecture
  Yorkfield Vishera (Bulldozer)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, SSE2, SSE3, SSE4.1 SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L2-Cache
  4 MB 8 MB
• L3-Cache
  No 8 MB
• Release date
  Q2/2009 Q4/2012
• Socket
  LGA 775 AM3+
• Technology
  45 nm 32nm SOI
• Virtualization
  VT-x, VT-d AMD-V
• Codename
  - Vishera
• L1-Cache
  - 0.375 MB
• Manufacturer product ID (boxed)
  - FD8320FRHKBOX
• Manufacturer product ID (tray)
  - FD8320FRW8KHK