GeForce 9800M GT SLI vs Radeon HD 6850 X2

When comparing GeForce 9800M GT SLI and Radeon HD 6850 X2, 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 9800M GT SLI and Radeon HD 6850 X2 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce 9800M GT SLI is a Laptop Graphics Card

Note: GeForce 9800M GT SLI is only used in laptop graphics. It has 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 here:

Main Specs

  GeForce 9800M GT SLI Radeon HD 6850 X2
Power consumption (TDP) 130 Watt 254 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 512 MB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6850 X2 has 95% more power consumption, than GeForce 9800M GT SLI.
  • GeForce 9800M GT SLI has 510 GB more memory, than Radeon HD 6850 X2.
  • GeForce 9800M GT SLI is used in Laptops, and Radeon HD 6850 X2 - in Desktops.
  • GeForce 9800M GT SLI is build with G9x architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Radeon HD 6850 X2 is 300 MHz higher, than GeForce 9800M GT SLI.
  • GeForce 9800M GT SLI is manufactured by 65 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
  • Memory clock speed of Radeon HD 6850 X2 is 3400 MHz higher, than GeForce 9800M GT SLI.

Game benchmarks

high / 1080p 5−6 12−14
ultra / 1080p 3−4 7−8
QHD / 1440p 0−1 2−3
low / 720p 14−16 27−30
medium / 1080p 7−8 16−18
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 128% more, than GeForce 9800M GT SLI.

Full Specs

  GeForce 9800M GT SLI Radeon HD 6850 X2
Architecture G9x TeraScale 2
Code name NB9E-GT2 Barts
Type Laptop Desktop
Release date 15 July 2008 19 September 2011
Pipelines 192 960
Core clock speed 500 MHz 800 MHz
Transistor count 1508 Million 1,700 million
Manufacturing process technology 65 nm 40 nm
Texture fill rate 38.40
Floating-point performance 2x 1,536.0 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 800 MHz 4200 MHz
Memory bandwidth 134.4 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
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