GeForce 820A vs Radeon R9 280X

Find out if it is worth upgrading your current GPU setup by comparing GeForce 820A and Radeon R9 280X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 820A and Radeon R9 280X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Main Specs

  GeForce 820A Radeon R9 280X
Power consumption (TDP) 15 Watt 250 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin + 1 x 8-pin
Memory type DDR3 GDDR5
Maximum RAM amount 1 GB 3 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon R9 280X has 1566% more power consumption, than GeForce 820A.
  • GeForce 820A is connected by PCIe 2.0 x16, and Radeon R9 280X uses PCIe 3.0 x16 interface.
  • Radeon R9 280X has 2 GB more memory, than GeForce 820A.
  • Both cards are used in Desktops.
  • GeForce 820A is build with Fermi 2.0 architecture, and Radeon R9 280X - with GCN.
  • GeForce 820A and Radeon R9 280X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 35−40
ultra / 1080p 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 1−2 60−65
medium / 1080p 0−1 40−45
The average gaming FPS of Radeon R9 280X in Assassin's Creed Odyssey is 6100% more, than GeForce 820A.

Full Specs

  GeForce 820A Radeon R9 280X
Architecture Fermi 2.0 GCN
Code name GF117 Thaiti XTL
Type Desktop Desktop
Release date 17 March 2014 8 October 2013
Pipelines 96 2048
Core clock speed 775 MHz
Boost Clock 1000 MHz
Transistor count 585 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 12.40 128.0
Floating-point performance 297.6 gflops 4,096 gflops
Length 275 mm
Memory bus width 64 Bit 384 Bit
Memory clock speed 1800 MHz
Memory bandwidth 14.4 GB/s 288 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.1 1.2
Vulkan N/A +
CUDA 2.1
Monero / XMR (CryptoNight) 0.5 kh/s
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 494 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Decred / DCR (Decred) 1.07 Gh/s
Ethereum / ETH (DaggerHashimoto) 14.42 Mh/s
Zcash / ZEC (Equihash) 285 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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