Radeon HD 6790 vs Radeon R7 260

In this comparison between Radeon HD 6790 and Radeon R7 260 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 6790 will be the best choice, for others Radeon R7 260 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6790 Radeon R7 260
Power consumption (TDP) 150 Watt 115 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6790 has 30% more power consumption, than Radeon R7 260.
  • Radeon HD 6790 is connected by PCIe 2.0 x16, and Radeon R7 260 uses PCIe 3.0 x16 interface.
  • Radeon R7 260 has 1 GB more memory, than Radeon HD 6790.
  • Both cards are used in Desktops.
  • Radeon HD 6790 is build with Terascale 2 architecture, and Radeon R7 260 - with GCN 2.0.
  • Radeon HD 6790 is manufactured by 40 nm process technology, and Radeon R7 260 - by 28 nm process technology.
  • Radeon HD 6790 is 28 mm longer, than Radeon R7 260.
  • Memory clock speed of Radeon R7 260 is 575 MHz higher, than Radeon HD 6790.

Game benchmarks

high / 1080p 7−8 14−16
ultra / 1080p 4−5 8−9
QHD / 1440p 0−1 3−4
low / 720p 18−20 30−35
medium / 1080p 9−10 18−20
The average gaming FPS of Radeon R7 260 in Assassin's Creed Odyssey is 80% more, than Radeon HD 6790.

Full Specs

  Radeon HD 6790 Radeon R7 260
Architecture Terascale 2 GCN 2.0
Code name Barts Bonaire
Type Desktop Desktop
Release date 4 April 2011 17 December 2013
Pipelines 800 768
Core clock speed 840 MHz
Boost Clock 1100 MHz
Transistor count 1,700 million 2,080 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 33.60 48.00
Floating-point performance 1,344.0 gflops 1,536 gflops
Length 198 mm 170 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1050 MHz 1625 MHz
Memory bandwidth 134.4 GB/s 104 GB/s
DirectX 11.2 (11_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 122 Mh/s 240 Mh/s
Eyefinity +
Design reference
DisplayPort support +
DDMA audio +
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