GeForce 825M vs Radeon HD 6990M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 825M and Radeon HD 6990M. 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 GeForce 825M and Radeon HD 6990M. 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.

GeForce 825M and Radeon HD 6990M are Laptop Graphics Cards

Note: GeForce 825M and Radeon HD 6990M are only used in laptop graphics. They have 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 GeForce 825M or Radeon HD 6990M here:

Main Specs

  GeForce 825M Radeon HD 6990M
Power consumption (TDP) 33 Watt 100 Watt
Interface PCIe 3.0 x8 MXM-B (3.0)
Supplementary power connectors None None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
  Check Price Check Price
  • Radeon HD 6990M has 203% more power consumption, than GeForce 825M.
  • GeForce 825M is connected by PCIe 3.0 x8, and Radeon HD 6990M uses MXM-B (3.0) interface.
  • GeForce 825M and Radeon HD 6990M have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce 825M is build with Kepler architecture, and Radeon HD 6990M - with Terascale 2.
  • Core clock speed of GeForce 825M is 135 MHz higher, than Radeon HD 6990M.
  • GeForce 825M is manufactured by 28 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
  • Memory clock speed of GeForce 825M is 900 MHz higher, than Radeon HD 6990M.

Game benchmarks

high / 1080p 0−1 14−16
ultra / 1080p 8−9
QHD / 1440p 0−1 3−4
low / 720p 2−3 30−33
medium / 1080p 0−1 16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 1450% more, than GeForce 825M.

Full Specs

  GeForce 825M Radeon HD 6990M
Architecture Kepler Terascale 2
Code name GK208 Blackcomb XTX
Type Laptop Laptop
Release date 27 January 2014 12 July 2011
Pipelines 384 1120
Core clock speed 850 MHz 715 MHz
Boost Clock 941 MHz
Transistor count 915 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 30.11 40.04
Floating-point performance 722.7 gflops 1,601.6 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 900 MHz
Memory bandwidth 14.4 GB/s 115.2 GB/s
Shared memory - -
DirectX 12 (11_0) 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126 N/A
CUDA +
Laptop size medium sized large
Optimus +
  Check Price Check Price