Radeon HD 6990M vs Radeon HD 7670A

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990M and Radeon HD 7670A. 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 6990M and Radeon HD 7670A. 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 HD 6990M is a Laptop Graphics Card

Note: Radeon HD 6990M 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 HD 6990M here:

Main Specs

  Radeon HD 6990M Radeon HD 7670A
Power consumption (TDP) 100 Watt 45 Watt
Interface MXM-B (3.0) MXM-A (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs No outputs
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  • Radeon HD 6990M has 122% more power consumption, than Radeon HD 7670A.
  • Radeon HD 6990M is connected by MXM-B (3.0), and Radeon HD 7670A uses MXM-A (3.0) interface.
  • Radeon HD 6990M has 1 GB more memory, than Radeon HD 7670A.
  • Radeon HD 6990M is used in Laptops, and Radeon HD 7670A - in Desktops.
  • Radeon HD 6990M is build with Terascale 2 architecture, and Radeon HD 7670A - with TeraScale 2.
  • Core clock speed of Radeon HD 6990M is 115 MHz higher, than Radeon HD 7670A.
  • Radeon HD 6990M and Radeon HD 7670A are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 7670A is 3100 MHz higher, than Radeon HD 6990M.

Game benchmarks

high / 1080p 14−16 1−2
ultra / 1080p 8−9 0−1
QHD / 1440p 3−4 0−1
low / 720p 30−33 12−14
medium / 1080p 16−18 3−4
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 250% more, than Radeon HD 7670A.

Full Specs

  Radeon HD 6990M Radeon HD 7670A
Architecture Terascale 2 TeraScale 2
Code name Blackcomb XTX Turks
Type Laptop Desktop
Release date 12 July 2011 5 January 2012
Pipelines 1120 480
Core clock speed 715 MHz 600 MHz
Transistor count 1,700 million 716 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 40.04 14.40
Floating-point performance 1,601.6 gflops 576.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 900 MHz 4000 MHz
Memory bandwidth 115.2 GB/s 64 GB/s
Shared memory -
DirectX 11.2 (11_0) 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
Laptop size large
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