NVS 510 vs Radeon HD 6990M Crossfire

If you are going to buy a new graphics card and are choosing between NVS 510 and Radeon HD 6990M Crossfire, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the NVS 510 stacks up against Radeon HD 6990M Crossfire, check out specs charts below.

Radeon HD 6990M Crossfire is a Laptop Graphics Card

Note: Radeon HD 6990M Crossfire 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 Radeon HD 6990M Crossfire here:

Main Specs

  NVS 510 Radeon HD 6990M Crossfire
Power consumption (TDP) 35 Watt
Interface PCIe 2.0 x16
Supplementary power connectors None
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 2x2 GB
Display Connectors 4x mini-DisplayPort
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  • NVS 510 and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
  • NVS 510 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
  • NVS 510 is build with Kepler architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of NVS 510 is 82 MHz higher, than Radeon HD 6990M Crossfire.
  • NVS 510 is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of NVS 510 is 882 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 0−1 35−40
ultra / 1080p 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 1−2 60−65
medium / 1080p 0−1 40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 6100% more, than NVS 510.

Full Specs

  NVS 510 Radeon HD 6990M Crossfire
Architecture Kepler Terascale 2
Code name GK107 Blackcomb XTX
Type Workstation Laptop
Release date 23 October 2012 12 July 2011
Pipelines 192 2240
Core clock speed 797 MHz 715 MHz
Transistor count 1,270 million 2x1700 Million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 12.75
Floating-point performance 306.0 gflops
Length 160 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1782 MHz 900 MHz
Memory bandwidth 28.51 GB/s
Shared memory -
DirectX 12 (11_0) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.1.126
CUDA 3.0
Bitcoin / BTC (SHA256) 17 Mh/s
Laptop size large
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