Radeon HD 7790 vs Radeon R9 280

In this comparison between Radeon HD 7790 and Radeon R9 280 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7790 will be the best choice, for others Radeon R9 280 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 7790 Radeon R9 280
Power consumption (TDP) 85 Watt 200 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin 1 x 6-pin + 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 3 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
  Check Price Check Price
  • Radeon R9 280 has 135% more power consumption, than Radeon HD 7790.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 280 has 2 GB more memory, than Radeon HD 7790.
  • Both cards are used in Desktops.
  • Radeon HD 7790 is build with GCN 2.0 architecture, and Radeon R9 280 - with GCN 1.0.
  • Radeon HD 7790 and Radeon R9 280 are manufactured by 28 nm process technology.
  • Radeon R9 280 is 92 mm longer, than Radeon HD 7790.
  • Memory clock speed of Radeon HD 7790 is 4750 MHz higher, than Radeon R9 280.

Game benchmarks

high / 1080p 16−18 35−40
ultra / 1080p 9−10 21−24
QHD / 1440p 4−5 16−18
4K / 2160p 4−5 10−11
low / 720p 30−35 60−65
medium / 1080p 20−22 40−45
The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 128% more, than Radeon HD 7790.

Full Specs

  Radeon HD 7790 Radeon R9 280
Architecture GCN 2.0 GCN 1.0
Code name Bonaire Tahiti
Type Desktop Desktop
Release date 22 March 2013 4 March 2014
Pipelines 896 1792
Core clock speed 1000 MHz
Boost Clock 933 MHz
Transistor count 2,080 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 56.00 104.5
Floating-point performance 1,792 gflops 3,344 gflops
Length 183 mm 275 mm
Memory bus width 128 Bit 384 Bit
Memory clock speed 6000 MHz 1250 MHz
Memory bandwidth 96 GB/s 240 GB/s
DirectX 12 (12_0)
Shader Model 6.3 5.1
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2.131 +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 218 Mh/s 408 Mh/s
Eyefinity +
HD3D +
TrueAudio +
Design reference
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 5.2 Mh/s 21.5 Mh/s
LiquidVR +
TressFX +
UVD +
  Check Price Check Price