Radeon HD 6990 vs Radeon R9 M470

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990 and Radeon R9 M470. 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 6990 and Radeon R9 M470. 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.

Radeon R9 M470 is a Laptop Graphics Card

Note: Radeon R9 M470 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 R9 M470 here:

Main Specs

  Radeon HD 6990 Radeon R9 M470
Power consumption (TDP) 375 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
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  • Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon R9 M470 uses PCIe 3.0 x16 interface.
  • Radeon R9 M470 has 2 GB more memory, than Radeon HD 6990.
  • Radeon HD 6990 is used in Desktops, and Radeon R9 M470 - in Laptops.
  • Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R9 M470 - with GCN 2.
  • Core clock speed of Radeon R9 M470 is 170 MHz higher, than Radeon HD 6990.
  • Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R9 M470 - by 28 nm process technology.
  • Memory clock speed of Radeon R9 M470 is 1000 MHz higher, than Radeon HD 6990.

Game benchmarks

high / 1080p 14−16 12−14
ultra / 1080p 9−10 7−8
QHD / 1440p 3−4 2−3
low / 720p 30−35 24−27
medium / 1080p 18−20 14−16
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 25% more, than Radeon R9 M470.

Full Specs

  Radeon HD 6990 Radeon R9 M470
Architecture TeraScale 3 GCN 2
Code name Antilles Saturn
Type Desktop Laptop
Release date 8 March 2011 14 May 2016
Pipelines 1536 768
Core clock speed 830 MHz 1000 MHz
Boost Clock 1000 MHz
Transistor count 2,640 million 2,080 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 79.68 48.00
Floating-point performance 2x 2,549.8 gflops 1,536 gflops
Length 295 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 5000 MHz 6000 MHz
Memory bandwidth 160.0 GB/s 96 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
Bitcoin / BTC (SHA256) 265 Mh/s
Laptop size large
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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