FirePro V4900 vs Radeon HD 6990M Crossfire

Find out if it is worth upgrading your current GPU setup by comparing FirePro V4900 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 V4900 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.

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 V4900 Radeon HD 6990M Crossfire
Power consumption (TDP) 75 Watt
Interface PCIe 2.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2x2 GB
Display Connectors 1x DVI, 2x DisplayPort
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  • Radeon HD 6990M Crossfire has 1 GB more memory, than FirePro V4900.
  • FirePro V4900 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
  • FirePro V4900 is build with TeraScale 2 architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
  • Core clock speed of FirePro V4900 is 85 MHz higher, than Radeon HD 6990M Crossfire.
  • FirePro V4900 and Radeon HD 6990M Crossfire are manufactured by 40 nm process technology.
  • Memory clock speed of FirePro V4900 is 3100 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 2−3 35−40
ultra / 1080p 1−2 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 12−14 60−65
medium / 1080p 4−5 40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 720% more, than FirePro V4900.

Full Specs

  FirePro V4900 Radeon HD 6990M Crossfire
Architecture TeraScale 2 Terascale 2
Code name Turks Blackcomb XTX
Type Workstation Laptop
Release date 1 November 2011 12 July 2011
Pipelines 480 2240
Core clock speed 800 MHz 715 MHz
Transistor count 716 million 2x1700 Million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 19.20
Floating-point performance 768.0 gflops
Length 163 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 900 MHz
Memory bandwidth 64 GB/s
Shared memory -
DirectX 11.2 (11_0) DirectX 11, Shader 5.0
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Vulkan N/A
Bitcoin / BTC (SHA256) 73 Mh/s
Laptop size large
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