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

Overall score
star star star star star
Released
Q1/2012
Intel Core i7-3820
Intel Core i7-3820
Released
Q2/2012
Overall score
star star star star star
Intel Core i7-3820QM
Intel Core i7-3820QM

What's the best choice Intel Core i7-3820 or Intel Core i7-3820QM? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

Intel Core i7-3820 has a maximum frequency of 3.60 GHz. 4 Cores. Power consumption of 130 W. Released in Q1/2012.

Intel Core i7-3820QM has a maximum frequency of 2.70 GHz. 4 Cores. Power consumption of 45 W. Released in Q2/2012.

Differences

  • Higher clock speed

    Around 25% better clock speed

    3.60 GHz left arrow 2.70 GHz
  • Higher turbo clock speed

    Around 3% better overclocked clock speed

    3.80 GHz left arrow 3.70 GHz

Positions in all rankings

Common positions Intel Core i7-3820 CPU in popular benchmarks, for comparison with other models.

No data
  • Place in the overall ranking

    (based on several benchmarks)

    1255 left arrow score
  • Performance per watt

    About 0.35 times less performance per watt

    45 W left arrow 130 W

Positions in all rankings

Common positions Intel Core i7-3820QM CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    815 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    1125 place
  • Geekbench 6 (Multi-Core)
    241 place

Specifications

Technical data
Intel Core i7-3820 Intel Core i7-3820
Intel Core i7-3820QM Intel Core i7-3820QM
CPU family and group

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

  • Segment
    Desktop / Server left arrow Mobile
  • Family
    Intel Core i7 Extreme Edition left arrow Intel Core i7 Extreme Edition
  • Generation
    3 left arrow 3
  • CPU group
    Intel Core i 3000X left arrow Intel Core i 3000M
CPU Technical specs

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

  • Frequency
    3.60 GHz left arrow 2.70 GHz
  • CPU Cores
    4 left arrow 4
  • Turbo (1 Core)
    3.80 GHz left arrow 3.70 GHz
  • CPU Threads
    8 left arrow 8
  • Turbo (4 Cores)
    No turbo left arrow No turbo
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    Yes left arrow Yes
  • Core architecture
    normal left arrow normal
IGPU

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
    no iGPU left arrow Intel HD Graphics 4000
  • GPU frequency
    left arrow 0.65 GHz
  • GPU (Turbo)
    No turbo left arrow 1.25 GHz
  • Execution units
    left arrow 16
  • Shader
    left arrow 128
  • Max. displays
    left arrow 3
  • Generation
    left arrow 7
  • DirectX Version
    left arrow 11.0
  • Technology
    left arrow 22 nm
  • Release date
    left arrow Q1/2011
Hardware codec support

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

  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    No left arrow Decode / Encode
  • VP9
    No left arrow No
  • VP8
    No left arrow No
  • AV1
    No left arrow No
  • AVC
    No left arrow Decode / Encode
  • VC-1
    No left arrow Decode
  • JPEG
    No left arrow Decode
Memory specs & PCI

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

  • Memory type
    DDR3-1066DDR3-1333DDR3-1600 left arrow DDR3-1333DDR3-1600DDR3L-1333 SO-DIMMDDR3L-1600 SO-DIMM
  • Max. Memory
    64 GB left arrow 32 GB
  • ECC
    No left arrow No
  • Memory channels
    4 left arrow 2
  • PCIe version
    2.0 left arrow 3.0
  • PCIe lanes
    40 left arrow 16
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i7-3820 and Intel Core i7-3820QM to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    130 W left arrow 45 W
  • Tjunction max.
    105 °C left arrow 105 °C
Technologies and extensions

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

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    VT-x, VT-x EPT, VT-d (C2 Stepping) left arrow VT-x, VT-x EPT, VT-d
  • ISA extensions
    SSE4.1, SSE4.2, AVX left arrow SSE4.1, SSE4.2, AVX
  • L3-Cache
    10.00 MB left arrow 8.00 MB
  • Architecture
    Sandy Bridge E left arrow Ivy Bridge H
  • Technology
    32 nm left arrow 22 nm
  • Socket
    LGA 2011 left arrow BGA 1224
  • Release date
    Q1/2012 left arrow Q2/2012

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i7-3820 and Intel Core i7-3820QM.

Compare the synthetic test values and choose the best processor!

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