Radeon HD 6970 vs Radeon R9 270X

In this comparison between Radeon HD 6970 and Radeon R9 270X 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 6970 will be the best choice, for others Radeon R9 270X will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6970 Radeon R9 270X
Power consumption (TDP) 550 Watt 180 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin 2 x 6-pin
Memory type DDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6970 has 205% more power consumption, than Radeon R9 270X.
  • Radeon HD 6970 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
  • Radeon HD 6970 and Radeon R9 270X have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Radeon HD 6970 is build with Terascale 2 architecture, and Radeon R9 270X - with GCN.
  • Radeon HD 6970 is manufactured by 40 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks

high / 1080p 14−16 24−27
ultra / 1080p 9−10 14−16
QHD / 1440p 3−4 10−11
4K / 2160p 6−7
low / 720p 30−35 45−50
medium / 1080p 18−20 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 73% more, than Radeon HD 6970.

Full Specs

  Radeon HD 6970 Radeon R9 270X
Architecture Terascale 2 GCN
Code name Cayman Curacao XT
Type Desktop Desktop
Release date 14 December 2010 8 October 2013
Pipelines 1536 1280
Boost Clock 880 MHz 1050 MHz
Transistor count 2,640 million 2,800 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 84.48 84.00
Floating-point performance 2,703.4 gflops 2,688 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1375 MHz
Memory bandwidth 179.2 GB/s
Shared memory -
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan +
FreeSync +
Bus support PCIe 2.0 x16 PCIe 3.0
HDMI + +
Bitcoin / BTC (SHA256) 273 Mh/s 318 Mh/s
Eyefinity + +
HD3D +
TrueAudio +
Design reference reference
DisplayPort support +
CrossFire + +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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