Intel Core 2 Extreme QX9775 vs Intel Celeron 847. Specifications, performance, tests

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

• CPU group
  Intel Core 2 Extreme QX9000 Intel Celeron 800
• Family
  Intel Core2 Duo Intel Celeron
• Generation
  2 2
• 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
  3.2 GHz 1.1 GHz
• CPU Cores
  4 2
• CPU Threads
  4 2
• Hyperthreading / SMT
  No No
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  No No turbo
• Turbo Frequency (2 Cores)
  No turbo No turbo
• Core architecture
  - normal

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
  - 350 MHz
• GPU name
  - Intel HD Graphics (Sandy Bridge GT1)
• GPU Turbo
  - 800 MHz
• Max. displays
  - 2
• Release date
  - Q2/2011
• 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
  - Conflicting source values: Decode / Encode | No
• 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 Celeron 847 and Intel Core 2 Extreme QX9775. 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 DDR3L-1333 SO-DIMM
• PCIe lanes
  - 16
• PCIe version
  - 2.0

• AES-NI
  No Yes

Compare the TDP requirements of TDP Intel Core 2 Extreme QX9775 and Intel Celeron 847 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
  95 °C -
• TDP (PL1, legacy label)
  150 W 17 W
• TDP (PL2)
  No -
• TDP down
  No -
• TDP up
  No -

Architecture, interfaces, additional instructions supported by Intel Core 2 Extreme QX9775 and Intel Celeron 847, virtual machine technologies and process technology.

• Architecture
  Yorkfield Sandy Bridge U
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  MMX, SSE, SSE2, SSE3, SSE 4.1 SSE4.1, SSE4.2
• L2-Cache
  12 MB -
• L3-Cache
  No 2 MB
• Release date
  Q1/2008 Q2/2011
• Socket
  LGA 775 BGA 1023
• Technology
  45 nm 32 nm
• Virtualization
  VT-x, VT-d VT-x, VT-x EPT, VT-d