P106 100 vs Radeon HD 6990M Crossfire

When choosing between P106 100 and Radeon HD 6990M Crossfire, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between P106 100 and Radeon HD 6990M Crossfire.

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

  P106 100 Radeon HD 6990M Crossfire
Power consumption (TDP) 120 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 6 GB 2x2 GB
Display Connectors No outputs
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  • P106 100 has 4 GB more memory, than Radeon HD 6990M Crossfire.
  • P106 100 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
  • P106 100 is build with Pascal architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of P106 100 is 791 MHz higher, than Radeon HD 6990M Crossfire.
  • P106 100 is manufactured by 16 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of P106 100 is 7108 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 35−40 35−40
ultra / 1080p 21−24 21−24
QHD / 1440p 16−18 16−18
4K / 2160p 10−11 10−11
low / 720p 60−65 60−65
medium / 1080p 40−45 40−45
P106 100 and Radeon HD 6990M Crossfire have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  P106 100 Radeon HD 6990M Crossfire
Architecture Pascal Terascale 2
Code name GP106 Blackcomb XTX
Type Desktop Laptop
Release date 19 June 2017 12 July 2011
Pipelines 1280 2240
Core clock speed 1506 MHz 715 MHz
Boost Clock 1709 MHz
Transistor count 4,400 million 2x1700 Million
Manufacturing process technology 16 nm 40 nm
Texture fill rate 136.7
Floating-point performance 4,375 gflops
Length 250 mm
Memory bus width 192 Bit 256 Bit
Memory clock speed 8008 MHz 900 MHz
Memory bandwidth 192.2 GB/s
Shared memory -
DirectX 12 (12_1) DirectX 11, Shader 5.0
Shader Model 6.4
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
CUDA 6.1
Laptop size large
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