GeForce 820A vs Radeon HD 6850 X2

When choosing between GeForce 820A and Radeon HD 6850 X2, 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 Radeon HD 6850 X2.
GeForce 820A
Radeon HD 6850 X2

Main Specs

  GeForce 820A Radeon HD 6850 X2
Power consumption (TDP) 15 Watt 254 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 8-pin
Memory type DDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
 
  • Radeon HD 6850 X2 has 1593% more power consumption, than GeForce 820A.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 6850 X2 has 1 GB more memory, than GeForce 820A.
  • Both cards are used in Desktops.
  • GeForce 820A is build with Fermi 2.0 architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Radeon HD 6850 X2 is 25 MHz higher, than GeForce 820A.
  • GeForce 820A is manufactured by 28 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
  • Memory clock speed of Radeon HD 6850 X2 is 2400 MHz higher, than GeForce 820A.

Game benchmarks

high / 1080p 0−1 12−14
ultra / 1080p 7−8
QHD / 1440p 0−1 2−3
low / 720p 1−2 27−30
medium / 1080p 0−1 16−18
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 2700% more, than GeForce 820A.

Full Specs

  GeForce 820A Radeon HD 6850 X2
Architecture Fermi 2.0 TeraScale 2
Code name GF117 Barts
Type Desktop Desktop
Release date 17 March 2014 19 September 2011
Pipelines 96 960
Core clock speed 775 MHz 800 MHz
Transistor count 585 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 12.40 38.40
Floating-point performance 297.6 gflops 2x 1,536.0 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 4200 MHz
Memory bandwidth 14.4 GB/s 134.4 GB/s
DirectX 12 (11_0) 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.6 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
CUDA 2.1