Radeon HD 6770 vs Radeon HD 7790

In this comparison between Radeon HD 6770 and Radeon HD 7790 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 6770 will be the best choice, for others Radeon HD 7790 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6770 Radeon HD 7790
Power consumption (TDP) 108 Watt 85 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 1 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6770 has 27% more power consumption, than Radeon HD 7790.
  • Radeon HD 6770 is connected by PCIe 2.0 x16, and Radeon HD 7790 uses PCIe 3.0 x16 interface.
  • Radeon HD 6770 and Radeon HD 7790 have maximum RAM of 1 GB.
  • Both cards are used in Desktops.
  • Radeon HD 6770 is build with TeraScale 2 architecture, and Radeon HD 7790 - with GCN 2.0.
  • Radeon HD 6770 is manufactured by 40 nm process technology, and Radeon HD 7790 - by 28 nm process technology.
  • Radeon HD 6770 is 15 mm longer, than Radeon HD 7790.
  • Memory clock speed of Radeon HD 7790 is 4950 MHz higher, than Radeon HD 6770.

Game benchmarks

high / 1080p 3−4 16−18
ultra / 1080p 1−2 9−10
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 14−16 30−35
medium / 1080p 5−6 20−22
The average gaming FPS of Radeon HD 7790 in Assassin's Creed Odyssey is 233% more, than Radeon HD 6770.

Full Specs

  Radeon HD 6770 Radeon HD 7790
Architecture TeraScale 2 GCN 2.0
Code name Juniper Bonaire
Type Desktop Desktop
Release date 21 January 2011 22 March 2013
Pipelines 800 896
Core clock speed 1000 MHz
Boost Clock 900 MHz
Transistor count 1,040 million 2,080 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 34.00 56.00
Floating-point performance 1,360.0 gflops 1,792 gflops
Length 198 mm 183 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1050 MHz 6000 MHz
Memory bandwidth 76.8 GB/s 96 GB/s
DirectX 12 (12_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan 1.2.131
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 118 Mh/s 218 Mh/s
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 5.2 Mh/s
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