Radeon HD 6970 vs Radeon R6 M340DX

In this comparison between Radeon HD 6970 and Radeon R6 M340DX 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 R6 M340DX will be their preference. Study the comparison tables below and make your choice.

Radeon R6 M340DX is a Laptop Graphics Card

Note: Radeon R6 M340DX is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon R6 M340DX here:

Main Specs

  Radeon HD 6970 Radeon R6 M340DX
Power consumption (TDP) 550 Watt
Interface PCIe 2.0 x16 IGP
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type DDR5 DDR3
Maximum RAM amount 2 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 6970 is connected by PCIe 2.0 x16, and Radeon R6 M340DX uses IGP interface.
  • Radeon HD 6970 is used in Desktops, and Radeon R6 M340DX - in Laptops.
  • Radeon HD 6970 is build with Terascale 2 architecture, and Radeon R6 M340DX - with GCN.
  • Radeon HD 6970 is manufactured by 40 nm process technology, and Radeon R6 M340DX - by 28 nm process technology.

Game benchmarks

high / 1080p 14−16 2−3
ultra / 1080p 9−10 2−3
QHD / 1440p 3−4 0−1
low / 720p 30−35 10−11
medium / 1080p 18−20 3−4
The average gaming FPS of Radeon HD 6970 in Assassin's Creed Odyssey is 375% more, than Radeon R6 M340DX.

Full Specs

  Radeon HD 6970 Radeon R6 M340DX
Architecture Terascale 2 GCN
Code name Cayman Jet
Type Desktop Laptop
Release date 14 December 2010 3 June 2015
Pipelines 1536 704
Boost Clock 880 MHz 1030 MHz
Transistor count 2,640 million 690 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 84.48 24.72
Floating-point performance 2,703.4 gflops
Length 267 mm
Memory bus width 256 Bit
Memory clock speed 1375 MHz
Shared memory -
DirectX 12 (11_1)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan 1.2.131
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 273 Mh/s
Laptop size medium sized
Eyefinity +
Design reference
CrossFire +
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