Radeon HD 7970 vs Radeon R9 280

In this comparison between Radeon HD 7970 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 7970 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 7970 Radeon R9 280
Power consumption (TDP) 300 Watt 200 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin 1 x 6-pin + 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 3 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7970 has 50% more power consumption, than Radeon R9 280.
  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon HD 7970 and Radeon R9 280 have maximum RAM of 3 GB.
  • Both cards are used in Desktops.
  • Radeon HD 7970 is build with GCN architecture, and Radeon R9 280 - with GCN 1.0.
  • Radeon HD 7970 and Radeon R9 280 are manufactured by 28 nm process technology.
  • Radeon R9 280 is 1 mm longer, than Radeon HD 7970.
  • Memory clock speed of Radeon HD 7970 is 125 MHz higher, than Radeon R9 280.

Game benchmarks

high / 1080p 35−40 35−40
ultra / 1080p 21−24 21−24
QHD / 1440p 16−18 16−18
4K / 2160p 10−11 10−11
low / 720p 60−65 60−65
medium / 1080p 40−45 40−45
Radeon HD 7970 and Radeon R9 280 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon HD 7970 Radeon R9 280
Architecture GCN GCN 1.0
Code name Tahiti XT Tahiti
Type Desktop Desktop
Release date 22 December 2011 4 March 2014
Pipelines 2048 1792
Boost Clock 925 MHz 933 MHz
Transistor count 4,313 million 4,313 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 118.4 104.5
Floating-point performance 3,789 gflops 3,344 gflops
Length 274 mm 275 mm
Memory bus width 384 Bit 384 Bit
Memory clock speed 1375 MHz 1250 MHz
Memory bandwidth 264 GB/s 240 GB/s
Shared memory -
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan +
FreeSync + +
Bus support PCIe 2.1 x16 PCIe 3.0
HDMI + +
Bitcoin / BTC (SHA256) 485 Mh/s 408 Mh/s
Eyefinity + +
HD3D +
TrueAudio +
Design reference reference
CrossFire + +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 20.71 Mh/s 21.5 Mh/s
LiquidVR +
TressFX +
UVD +
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