Intel Core 2 Quad Q9400 vs Intel Celeron N4020. Specifications, performance, tests

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

• CPU group
  Intel Core 2 Quad Q8000/Q9000 Intel Celeron J4000/N4000/N5000
• Family
  Intel Core2 Duo Intel Celeron
• Generation
  2 9
• Predecessor
  No -
• Segment
  Desktop Mobile
• Successor
  No -

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 1.1 GHz
• Core architecture
  normal normal
• CPU Cores
  4 2
• CPU Threads
  4 2
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  No 2.8 GHz
• Turbo Frequency (2 Cores)
  No turbo 2.7 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.

• DirectX Version
  - 12
• Execution units
  - 12
• Generation
  - 9.5
• GPU Frequency
  - 200 MHz
• GPU name
  - Intel UHD Graphics 600
• GPU Turbo
  - 650 MHz
• Max. displays
  - 3
• Max. GPU Memory
  - 8 GB
• Release date
  - Q4/2017
• Shader
  - 96
• Technology
  - 14 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)
  - Decode / Encode
• h265 / HEVC (10 bit)
  - Decode / Encode
• JPEG
  - Decode / Encode
• VC-1
  - Decode
• VP8
  - Decode / Encode
• VP9
  - Decode / Encode

Types, channel quantity of RAM supported by Intel Celeron N4020 and Intel Core 2 Quad Q9400. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  16 GB -
• Memory channels
  2 2
• Memory type
  DDR2-800 / DDR3-1066 DDR4-2400
• PCIe lanes
  - 6
• PCIe version
  - 2.0

• AES-NI
  No Yes

Compare the TDP requirements of TDP Intel Core 2 Quad Q9400 and Intel Celeron N4020 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 -
• TDP (PL1, legacy label)
  95 W 6 W
• TDP (PL2)
  No -
• TDP down
  No -
• TDP up
  No -

Architecture, interfaces, additional instructions supported by Intel Core 2 Quad Q9400 and Intel Celeron N4020, virtual machine technologies and process technology.

• Architecture
  Yorkfield Gemini Lake
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, SSE2, SSE3, SSE4.1 SSE4.1, SSE4.2
• L2-Cache
  6 MB -
• L3-Cache
  No 4 MB
• Release date
  Q3/2008 Q4/2019
• Socket
  LGA 775 BGA 1090
• Technology
  45 nm 10 nm
• Virtualization
  VT-x, VT-d VT-x, VT-x EPT, VT-d