FirePro M7740 vs Radeon HD 6990M Crossfire

When choosing between FirePro M7740 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 FirePro M7740 and Radeon HD 6990M Crossfire.

FirePro M7740 and Radeon HD 6990M Crossfire are Laptop Graphics Cards

Note: FirePro M7740 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 FirePro M7740 or Radeon HD 6990M Crossfire here:

Main Specs

  FirePro M7740 Radeon HD 6990M Crossfire
Power consumption (TDP) 60 Watt
Interface PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2x2 GB
Display Connectors No outputs
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  • Radeon HD 6990M Crossfire has 1 GB more memory, than FirePro M7740.
  • FirePro M7740 is used in Mobile workstations, and Radeon HD 6990M Crossfire - in Laptops.
  • FirePro M7740 is build with Terascale 1 architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of Radeon HD 6990M Crossfire is 65 MHz higher, than FirePro M7740.
  • FirePro M7740 and Radeon HD 6990M Crossfire are manufactured by 40 nm process technology.
  • Memory clock speed of FirePro M7740 is 100 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 6−7 35−40
ultra / 1080p 4−5 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 16−18 60−65
medium / 1080p 8−9 40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 355% more, than FirePro M7740.

Full Specs

  FirePro M7740 Radeon HD 6990M Crossfire
Architecture Terascale 1 Terascale 2
Code name RV740 Blackcomb XTX
Type Mobile workstation Laptop
Release date 4 August 2009 12 July 2011
Pipelines 640 2240
Core clock speed 650 MHz 715 MHz
Transistor count 826 million 2x1700 Million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 20.80
Floating-point performance 832.0 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz 900 MHz
Memory bandwidth 54.14 GB/s
Shared memory - -
DirectX 10.1 (10_1) DirectX 11, Shader 5.0
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Laptop size large large
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