FirePro W7100 vs Radeon HD 6990M Crossfire

When choosing between FirePro W7100 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 W7100 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

  FirePro W7100 Radeon HD 6990M Crossfire
Power consumption (TDP) 400 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 8 GB 2x2 GB
Display Connectors 4x DisplayPort
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  • FirePro W7100 has 6 GB more memory, than Radeon HD 6990M Crossfire.
  • FirePro W7100 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
  • FirePro W7100 is build with GCN 3.0 architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of FirePro W7100 is 205 MHz higher, than Radeon HD 6990M Crossfire.
  • FirePro W7100 is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of FirePro W7100 is 4100 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
FirePro W7100 and Radeon HD 6990M Crossfire have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  FirePro W7100 Radeon HD 6990M Crossfire
Architecture GCN 3.0 Terascale 2
Code name Tonga Blackcomb XTX
Type Workstation Laptop
Release date 12 August 2014 12 July 2011
Pipelines 1792 2240
Core clock speed 920 MHz 715 MHz
Transistor count 5,000 million 2x1700 Million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 103.0
Floating-point performance 3,297 gflops
Length 241 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 5000 MHz 900 MHz
Memory bandwidth 160 GB/s
Shared memory -
DirectX 12 (12_0) DirectX 11, Shader 5.0
Shader Model 6.3
OpenGL 4.6
OpenCL 2.0
Vulkan 1.2.131
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 362 Mh/s
Laptop size large
Form factor full height / full length
StereoOutput3D +
DisplayPort count 4
Dual-link DVI support +
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