GeForce 820A vs GeForce GTX 675M

When choosing between GeForce 820A and GeForce GTX 675M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 820A and GeForce GTX 675M.

GeForce GTX 675M is a Laptop Graphics Card

Note: GeForce GTX 675M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 675M here:

Main Specs

  GeForce 820A GeForce GTX 675M
Power consumption (TDP) 15 Watt 100 Watt
Interface PCIe 2.0 x16 MXM-B (3.0)
Memory type DDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 675M has 566% more power consumption, than GeForce 820A.
  • GeForce 820A is connected by PCIe 2.0 x16, and GeForce GTX 675M uses MXM-B (3.0) interface.
  • GeForce GTX 675M has 1 GB more memory, than GeForce 820A.
  • GeForce 820A is used in Desktops, and GeForce GTX 675M - in Laptops.
  • GeForce 820A is build with Fermi 2.0 architecture, and GeForce GTX 675M - with Fermi.
  • Core clock speed of GeForce 820A is 155 MHz higher, than GeForce GTX 675M.
  • GeForce 820A is manufactured by 28 nm process technology, and GeForce GTX 675M - by 40 nm process technology.
  • Memory clock speed of GeForce 820A is 300 MHz higher, than GeForce GTX 675M.

Game benchmarks

high / 1080p 0−1 10−11
ultra / 1080p 6−7
QHD / 1440p 0−1 0−1
low / 720p 1−2 21−24
medium / 1080p 0−1 12−14
The average gaming FPS of GeForce GTX 675M in Assassin's Creed Odyssey is 2100% more, than GeForce 820A.

Full Specs

  GeForce 820A GeForce GTX 675M
Architecture Fermi 2.0 Fermi
Code name GF117 N13E-GS1
Type Desktop Laptop
Release date 17 March 2014 22 March 2012
Pipelines 96 384
Core clock speed 775 MHz 620 MHz
Transistor count 585 million 1,950 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 12.40 39.7 billion/sec
Floating-point performance 297.6 gflops 952.3 gflops
Memory bus width 64 Bit 256bit
Memory clock speed 1800 MHz 1500 MHz
Memory bandwidth 14.4 GB/s 96.0 GB/s
Shared memory -
DirectX 12 (11_0) 12 API
Shader Model 5.1 5.1
OpenGL 4.6 4.5
OpenCL 1.1 1.1
Vulkan N/A N/A
CUDA 2.1 +
CUDA cores 384
Bus support PCI Express 2.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 59 Mh/s
Laptop size large
Optimus +
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