GeForce GTX 1070 mobile vs Radeon HD 6990M Crossfire

In this comparison between GeForce GTX 1070 mobile 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 GTX 1070 mobile 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 GTX 1070 mobile and Radeon HD 6990M Crossfire are Laptop Graphics Cards

Note: GeForce GTX 1070 mobile 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 GTX 1070 mobile or Radeon HD 6990M Crossfire here:

Main Specs

  GeForce GTX 1070 mobile Radeon HD 6990M Crossfire
Power consumption (TDP) 120 Watt
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 8 GB 2x2 GB
Display Connectors No outputs
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  • GeForce GTX 1070 mobile has 6 GB more memory, than Radeon HD 6990M Crossfire.
  • Both cards are used in Laptops.
  • GeForce GTX 1070 mobile is build with Pascal architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of GeForce GTX 1070 mobile is 791 MHz higher, than Radeon HD 6990M Crossfire.
  • GeForce GTX 1070 mobile is manufactured by 16 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of Radeon HD 6990M Crossfire is 892 MHz higher, than GeForce GTX 1070 mobile.

Game benchmarks

high / 1080p 50−55 35−40
ultra / 1080p 35−40 21−24
QHD / 1440p 27−30 16−18
4K / 2160p 16−18 10−11
low / 720p 80−85 60−65
medium / 1080p 60−65 40−45
The average gaming FPS of GeForce GTX 1070 mobile in Assassin's Creed Odyssey is 43% more, than Radeon HD 6990M Crossfire.

Full Specs

  GeForce GTX 1070 mobile Radeon HD 6990M Crossfire
Architecture Pascal Terascale 2
Code name N17E-G2 Blackcomb XTX
Type Laptop Laptop
Release date 1 September 2016 12 July 2011
Pipelines 2048 2240
Core clock speed 1506 MHz 715 MHz
Boost Clock 1645 MHz
Transistor count 7,200 million 2x1700 Million
Manufacturing process technology 16 nm 40 nm
Texture fill rate 210.6
Floating-point performance 6,738 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 8 GB/s 900 MHz
Memory bandwidth 256 GB/s
Shared memory - -
G-SYNC support +
VR Ready +
DirectX 12 (12_1) DirectX 11, Shader 5.0
Shader Model 6.4
OpenGL 4.5
OpenCL 1.2
Vulkan 1.2.131
CUDA +
CUDA cores 1920
Bus support PCIe 3.0
SLI options +
Multi monitor support +
Laptop size large large
GPU Boost 3.0
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