FirePro M4100 vs Radeon HD 6990M Crossfire

Find out if it is worth upgrading your current GPU setup by comparing FirePro M4100 and Radeon HD 6990M Crossfire. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between FirePro M4100 and Radeon HD 6990M Crossfire. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

FirePro M4100 and Radeon HD 6990M Crossfire are Laptop Graphics Cards

Note: FirePro M4100 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 M4100 or Radeon HD 6990M Crossfire here:

Main Specs

  FirePro M4100 Radeon HD 6990M Crossfire
Interface PCIe 3.0 x8
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2x2 GB
Display Connectors No outputs
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  • FirePro M4100 and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
  • FirePro M4100 is used in Mobile workstations, and Radeon HD 6990M Crossfire - in Laptops.
  • FirePro M4100 is build with GCN architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of Radeon HD 6990M Crossfire is 45 MHz higher, than FirePro M4100.
  • FirePro M4100 is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
  • Memory clock speed of FirePro M4100 is 3100 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 1−2 35−40
ultra / 1080p 0−1 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 12−14 60−65
medium / 1080p 3−4 40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 683% more, than FirePro M4100.

Full Specs

  FirePro M4100 Radeon HD 6990M Crossfire
Architecture GCN Terascale 2
Code name Mars Blackcomb XTX
Type Mobile workstation Laptop
Release date 1 October 2013 12 July 2011
Pipelines 384 2240
Core clock speed 670 MHz 715 MHz
Transistor count 950 million 2x1700 Million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 16.08
Floating-point performance 514.6 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 900 MHz
Memory bandwidth 64 GB/s
Shared memory - -
DirectX 12 (11_1) DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bitcoin / BTC (SHA256) 74 Mh/s
Laptop size medium sized large
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