Intel Atom N2800
Intel Core i7-975
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Intel Core i7-975 vs Intel Atom N2800

Overall score
star star star star star
Released
Q4/2011
Released
Q4/2008
Overall score
star star star star star

Which one of the central processing units is better: Intel Core i7-975 or Intel Atom N2800? On this page we compare the technical data and benchmark results of different CPUs.

The Intel Core i7-975 has cores and threads with maximum working frequency of . The Intel Core i7-975 was released on Q4/2008.

The Intel Atom N2800 has 2 cores with threads and of frequency. The Intel Atom N2800 was released on Q4/2011.

Differences
Reasons to consider
Intel Atom N2800
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  • Performance per watt
    6.5 W left arrow 130 W
    About 20 0.97 times less performance per watt
Reasons to consider
Intel Core i7-975
Report a bug
  • Higher clock speed
    3.33 GHz left arrow 1.86 GHz
    Around 44% better clock speed
Performance tests
Real tests Intel Atom N2800 vs Intel Core i7-975
Specifications
Complete list of technical specifications
Intel Atom N2800 Intel Atom N2800
Intel Core i7-975 Intel Core i7-975
CPU generation and family

Let's find out which one of Intel Atom N2800 and Intel Core i7-975 is of a more recent generation, and what segment it belongs to.

  • Name
    Intel Atom N2800 left arrow Intel Core i7-975
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    Intel Atom left arrow Intel Core i7 Extreme Edition
  • Generation
    1 left arrow 1
  • CPU group
    Intel Atom N2000 left arrow Intel Core i7 900
CPU Cores and Base Frequency

In this block we are going to compare Intel Atom N2800 vs Intel Core i7-975 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

  • Frequency
    1.86 GHz left arrow 3.33 GHz
  • Overclocking
    No left arrow Yes
  • Core architecture
    normal left arrow normal
Internal Graphics

Common specifications for integrated graphics cards in Intel Atom N2800 and Intel Core i7-975 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

  • GPU name
    Intel GMA 3600 left arrow no iGPU
  • GPU frequency
    0.40 GHz left arrow
  • GPU (Turbo)
    No turbo left arrow No turbo
  • Execution units
    4 left arrow
  • Shader
    32 left arrow
  • Max. displays
    2 left arrow
  • Technology
    65 nm left arrow
  • Release date
    Q4/2008 left arrow
Hardware codec support

Let's compare the support of video codecs between Intel Atom N2800 and Intel Core i7-975. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between Intel Atom N2800 and Intel Core i7-975 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

  • Memory type
    DDR3-1066 left arrow DDR3-1066
  • Max. Memory
    left arrow 24 GB
  • ECC
    No left arrow No
  • Memory channels
    1 left arrow 3
Thermal Management

Let's find out what TDP value would be better for Intel Atom N2800 or Intel Core i7-975? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

  • TDP (PL1)
    6.5 W left arrow 130 W
Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Atom N2800 and Intel Core i7-975 CPUs along with a list of ISA extensions.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    None left arrow VT-x, VT-x EPT
  • ISA extensions
    SSE3 left arrow SSE4.1, SSE4.2
  • L2-Cache
    -- left arrow 1.00 MB
  • L3-Cache
    1.00 MB left arrow 8.00 MB
  • Architecture
    Cedarview left arrow Bloomfield
  • Technology
    32 nm left arrow 45 nm
  • Socket
    BGA 559 left arrow LGA 1366
  • Release date
    Q4/2011 left arrow Q4/2008
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