Intel Core i7-3820QM vs Intel Core i7-3840QM. Specifications, performance, tests

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

• CPU group
  Intel Core i 3000M Intel Core i 3000M
• Family
  Intel Core i7 Extreme Edition Intel Core i7 Extreme Edition
• Generation
  3 3
• Segment
  Mobile Mobile

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  2.7 GHz 2.8 GHz
• Core architecture
  normal normal
• CPU Cores
  4 4
• CPU Threads
  8 8
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  3.7 GHz 3.8 GHz
• Turbo Frequency (4 Cores)
  No turbo 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
  11.0 11.0
• Execution units
  16 16
• Generation
  7 7
• GPU Frequency
  650 MHz 650 MHz
• GPU name
  Intel HD Graphics 4000 Intel HD Graphics 4000
• GPU Turbo
  1250 MHz 1300 MHz
• Max. displays
  3 3
• Release date
  Q1/2011 Q1/2011
• Shader
  128 128
• Technology
  22 nm 22 nm

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  No No
• H.264 / AVC
  Decode / Encode Decode / Encode
• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  Decode Decode
• VC-1
  Decode Decode
• VP8
  No No
• VP9
  No No

Types, channel quantity of RAM supported by Intel Core i7-3840QM and Intel Core i7-3820QM. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  32 GB 32 GB
• Memory channels
  2 2
• Memory type
  DDR3-1333DDR3-1600DDR3L-1333 SO-DIMMDDR3L-1600 SO-DIMM DDR3-1333DDR3-1600DDR3L-1333 SO-DIMMDDR3L-1600 SO-DIMM
• PCIe lanes
  16 16
• PCIe version
  3.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i7-3820QM and Intel Core i7-3840QM 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
  105 °C 105 °C
• TDP (PL1, legacy label)
  45 W 45 W

Architecture, interfaces, additional instructions supported by Intel Core i7-3820QM and Intel Core i7-3840QM, virtual machine technologies and process technology.

• Architecture
  Ivy Bridge H Ivy Bridge H
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX SSE4.1, SSE4.2, AVX
• L3-Cache
  8 MB 8 MB
• Release date
  Q2/2012 Q3/2012
• Socket
  BGA 1224 PGA 988
• Technology
  22 nm 22 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d