GeForce GT 750M SLI vs Radeon HD 6990M Crossfire

When comparing GeForce GT 750M SLI and Radeon HD 6990M Crossfire, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 750M SLI and Radeon HD 6990M Crossfire is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce GT 750M SLI and Radeon HD 6990M Crossfire are Laptop Graphics Cards

Note: GeForce GT 750M SLI and Radeon HD 6990M Crossfire 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 750M SLI or Radeon HD 6990M Crossfire here:

Main Specs

  GeForce GT 750M SLI Radeon HD 6990M Crossfire
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 2x 2 GB 2x2 GB
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  • GeForce GT 750M SLI and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GT 750M SLI is build with Kepler architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of GeForce GT 750M SLI is 252 MHz higher, than Radeon HD 6990M Crossfire.
  • GeForce GT 750M SLI is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of GeForce GT 750M SLI is 1100 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 8−9 21−24
QHD / 1440p 3−4 16−18
4K / 2160p 10−11
low / 720p 30−33 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 140% more, than GeForce GT 750M SLI.

Full Specs

  GeForce GT 750M SLI Radeon HD 6990M Crossfire
Architecture Kepler Terascale 2
Code name N14P-GT Blackcomb XTX
Type Laptop Laptop
Release date 1 April 2013 12 July 2011
Pipelines 768 2240
Core clock speed 967 MHz 715 MHz
Transistor count 1300 Million 2x1700 Million
Manufacturing process technology 28 nm 40 nm
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 2000 - 5000 MHz 900 MHz
Shared memory - -
DirectX DirectX 11, Shader 5.0 DirectX 11, Shader 5.0
CUDA +
Laptop size large large
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