GeForce GT 650M SLI vs Radeon HD 6990M

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 650M SLI 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 GT 650M SLI 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 GT 650M SLI and Radeon HD 6990M are Laptop Graphics Cards

Note: GeForce GT 650M SLI 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 GT 650M SLI or Radeon HD 6990M here:

Main Specs

  GeForce GT 650M SLI Radeon HD 6990M
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 2x2 GB 2 GB
Display Connectors No outputs
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  • GeForce GT 650M SLI and Radeon HD 6990M have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GT 650M SLI is build with Kepler architecture, and Radeon HD 6990M - with Terascale 2.
  • Core clock speed of GeForce GT 650M SLI is 75 MHz higher, than Radeon HD 6990M.
  • GeForce GT 650M SLI is manufactured by 28 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
  • Memory clock speed of GeForce GT 650M SLI is 3100 MHz higher, than Radeon HD 6990M.

Game benchmarks

high / 1080p 12−14 14−16
ultra / 1080p 7−8 8−9
QHD / 1440p 2−3 3−4
low / 720p 24−27 30−33
medium / 1080p 14−16 16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 25% more, than GeForce GT 650M SLI.

Full Specs

  GeForce GT 650M SLI Radeon HD 6990M
Architecture Kepler Terascale 2
Code name N13E-GE Blackcomb XTX
Type Laptop Laptop
Release date 22 March 2012 12 July 2011
Pipelines 768 1120
Core clock speed 790 MHz 715 MHz
Boost Clock 835 MHz
Transistor count 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 40.04
Floating-point performance 1,601.6 gflops
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 4000 MHz 900 MHz
Memory bandwidth 115.2 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0 11.2 (11_0)
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Vulkan N/A
CUDA +
Laptop size medium sized large
Optimus +
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