Comparando Intel Core i7-975 vs Intel Core i7-975

description_compare Intel Core i7-975 and Intel Core i7-990X

• Name
  Intel Core i7-975 Intel Core i7-990X
• Family
  Intel Core i7 Extreme Edition Intel Core i7 Extreme Edition
• CPU group
  Intel Core i7 900 Intel Core i7 900
• Segment
  Desktop / Server Desktop / Server
• Generation
  1 1

CPU Cores and Base Frequency

• CPU Cores / Threads
  4 / 8 6 / 12
• Core architecture
  normal normal
• Cores
  4x 6x
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Frequency
  3.33 GHz 3.46 GHz
• Turbo Frequency (1 Core)
  3.60 GHz 3.73 GHz

• GPU name
  no iGPU no iGPU
• GPU (Turbo)
  No turbo No turbo

• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• h264
  No No
• VP8
  No No
• VP9
  No No
• AV1
  No No
• AVC
  No No
• VC-1
  No No
• JPEG
  No No

• Memory type
  DDR3-1066 DDR3-1066
• Max. Memory
  24 GB 24 GB
• Memory channels
  3 3
• Bandwidth
  25.6 GB/s 25.6 GB/s
• ECC
  No No
• AES-NI
  No No

• TDP (PL1)
  130 W 130 W

• Technology
  45 nm 32 nm
• Chip design
  Monolithic Monolithic
• Socket
  LGA 1366 LGA 1366
• L2-Cache
  1.00 MB 1.50 MB
• L3-Cache
  8.00 MB 12.00 MB
• Architecture
  Bloomfield Gulftown
• Operating systems
  Windows 10, Linux Windows 10, Linux
• Virtualization
  VT-x, VT-x EPT VT-x, VT-x EPT
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2
• Release date
  Q4/2008 Q1/2011
• Release price
  1059 $ 1059 $
• Documents
  Technical data sheet Technical data sheet