GeForce GT 755M SLI vs Radeon HD 6990M Crossfire

In this comparison between GeForce GT 755M SLI and Radeon HD 6990M Crossfire you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 755M SLI will be the best choice, for others Radeon HD 6990M Crossfire will be their preference. Study the comparison tables below and make your choice.

GeForce GT 755M SLI and Radeon HD 6990M Crossfire are Laptop Graphics Cards

Note: GeForce GT 755M 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 755M SLI or Radeon HD 6990M Crossfire here:

Main Specs

  GeForce GT 755M SLI Radeon HD 6990M Crossfire
Power consumption (TDP) 2x ~50 Watt
Memory type GDDR5 GDDR5
Maximum RAM amount 2x 2 GB 2x2 GB
  Check Price Check Price
  • GeForce GT 755M SLI and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce GT 755M SLI is build with Kepler architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of GeForce GT 755M SLI is 265 MHz higher, than Radeon HD 6990M Crossfire.
  • GeForce GT 755M SLI is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of GeForce GT 755M SLI is 4500 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 8−9 21−24
QHD / 1440p 2−3 16−18
4K / 2160p 10−11
low / 720p 30−35 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 755M SLI.

Full Specs

  GeForce GT 755M SLI Radeon HD 6990M Crossfire
Architecture Kepler Terascale 2
Code name N14P-? Blackcomb XTX
Type Laptop Laptop
Release date 1 November 2013 12 July 2011
Pipelines 768 2240
Core clock speed 980 MHz 715 MHz
Transistor count 2x 1300 Million 2x1700 Million
Manufacturing process technology 28 nm 40 nm
Memory bus width 2x 128 Bit 256 Bit
Memory clock speed 5400 MHz 900 MHz
Shared memory - -
DirectX DirectX 11, Shader 5.0 DirectX 11, Shader 5.0
CUDA +
Laptop size large large
  Check Price Check Price