GeForce 9800M GT SLI vs Radeon HD 6990M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 9800M GT 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 9800M GT 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 9800M GT SLI and Radeon HD 6990M are Laptop Graphics Cards

Note: GeForce 9800M GT 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 9800M GT SLI or Radeon HD 6990M here:

Main Specs

  GeForce 9800M GT SLI Radeon HD 6990M
Power consumption (TDP) 130 Watt 100 Watt
Interface MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 2 GB
Display Connectors No outputs
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  • GeForce 9800M GT SLI has 30% more power consumption, than Radeon HD 6990M.
  • GeForce 9800M GT SLI has 510 GB more memory, than Radeon HD 6990M.
  • Both cards are used in Laptops.
  • GeForce 9800M GT SLI is build with G9x architecture, and Radeon HD 6990M - with Terascale 2.
  • Core clock speed of Radeon HD 6990M is 215 MHz higher, than GeForce 9800M GT SLI.
  • GeForce 9800M GT SLI is manufactured by 65 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
  • Memory clock speed of Radeon HD 6990M is 100 MHz higher, than GeForce 9800M GT SLI.

Game benchmarks

high / 1080p 5−6 14−16
ultra / 1080p 3−4 8−9
QHD / 1440p 0−1 3−4
low / 720p 14−16 30−33
medium / 1080p 7−8 16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 157% more, than GeForce 9800M GT SLI.

Full Specs

  GeForce 9800M GT SLI Radeon HD 6990M
Architecture G9x Terascale 2
Code name NB9E-GT2 Blackcomb XTX
Type Laptop Laptop
Release date 15 July 2008 12 July 2011
Pipelines 192 1120
Core clock speed 500 MHz 715 MHz
Transistor count 1508 Million 1,700 million
Manufacturing process technology 65 nm 40 nm
Texture fill rate 40.04
Floating-point performance 1,601.6 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 800 MHz 900 MHz
Memory bandwidth 115.2 GB/s
Shared memory - -
DirectX DirectX 10, Shader 4.0 11.2 (11_0)
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Vulkan N/A
CUDA +
SLI options +
Laptop size large large
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