Radeon HD 6790 vs Radeon RX 460

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6790 and Radeon RX 460. 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 Radeon HD 6790 and Radeon RX 460. 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

  Radeon HD 6790 Radeon RX 460
Power consumption (TDP) 150 Watt 75 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 2x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6790 has 100% more power consumption, than Radeon RX 460.
  • Radeon HD 6790 is connected by PCIe 2.0 x16, and Radeon RX 460 uses PCIe 3.0 x8 interface.
  • Radeon RX 460 has 3 GB more memory, than Radeon HD 6790.
  • Both cards are used in Desktops.
  • Radeon HD 6790 is build with Terascale 2 architecture, and Radeon RX 460 - with Polaris.
  • Core clock speed of Radeon RX 460 is 250 MHz higher, than Radeon HD 6790.
  • Radeon HD 6790 is manufactured by 40 nm process technology, and Radeon RX 460 - by 14 nm process technology.
  • Radeon HD 6790 is 28 mm longer, than Radeon RX 460.
  • Memory clock speed of Radeon RX 460 is 5950 MHz higher, than Radeon HD 6790.

Game benchmarks

high / 1080p 7−8 21−24
ultra / 1080p 4−5 12−14
QHD / 1440p 0−1 7−8
4K / 2160p 5−6
low / 720p 18−20 40−45
medium / 1080p 9−10 24−27
The average gaming FPS of Radeon RX 460 in Assassin's Creed Odyssey is 150% more, than Radeon HD 6790.

Full Specs

  Radeon HD 6790 Radeon RX 460
Architecture Terascale 2 Polaris
Code name Barts Polaris 11 / Baffin XT
Type Desktop Desktop
Release date 4 April 2011 8 August 2016
Pipelines 800 896
Core clock speed 840 MHz 1090 MHz
Boost Clock 1200 MHz
Transistor count 1,700 million 3,000 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 33.60 67.20
Floating-point performance 1,344.0 gflops 2,150 gflops
Length 198 mm 170 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1050 MHz 7000 MHz
Memory bandwidth 134.4 GB/s 112.0 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
FreeSync +
Bitcoin / BTC (SHA256) 122 Mh/s 240 Mh/s
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