Radeon HD 6770 vs Radeon R7 M270DX

In this comparison between Radeon HD 6770 and Radeon R7 M270DX 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 R7 M270DX will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6770 Radeon R7 M270DX
Power consumption (TDP) 108 Watt
Interface PCIe 2.0 x16 IGP
Supplementary power connectors 1x 6-pin
Memory type GDDR5 System Shared
Maximum RAM amount 1 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 6770 is connected by PCIe 2.0 x16, and Radeon R7 M270DX uses IGP interface.
  • Both cards are used in Desktops.
  • Radeon HD 6770 is build with TeraScale 2 architecture, and Radeon R7 M270DX - with GCN 3.0.
  • Radeon HD 6770 is manufactured by 40 nm process technology, and Radeon R7 M270DX - by 28 nm process technology.

Game benchmarks

high / 1080p 3−4 2−3
ultra / 1080p 1−2 0−1
QHD / 1440p 0−1 0−1
low / 720p 14−16 12−14
medium / 1080p 5−6 3−4
The average gaming FPS of Radeon HD 6770 in Assassin's Creed Odyssey is 33% more, than Radeon R7 M270DX.

Full Specs

  Radeon HD 6770 Radeon R7 M270DX
Architecture TeraScale 2 GCN 3.0
Code name Juniper Topaz
Type Desktop Desktop
Release date 21 January 2011 11 June 2014
Pipelines 800 384
Core clock speed 900 MHz
Boost Clock 900 MHz 940 MHz
Transistor count 1,040 million 1,550 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 34.00 22.56
Floating-point performance 1,360.0 gflops
Length 198 mm
Memory bus width 128 Bit
Memory clock speed 1050 MHz
Memory bandwidth 76.8 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
Eyefinity +
Design reference
CrossFire +
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