FirePro V4900 vs Radeon HD 6990

In this comparison between FirePro V4900 and Radeon HD 6990 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people FirePro V4900 will be the best choice, for others Radeon HD 6990 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  FirePro V4900 Radeon HD 6990
Power consumption (TDP) 75 Watt 375 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 1x DVI, 2x DisplayPort 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 6990 has 400% more power consumption, than FirePro V4900.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 6990 has 1 GB more memory, than FirePro V4900.
  • Both cards are used in Desktops.
  • FirePro V4900 is build with TeraScale 2 architecture, and Radeon HD 6990 - with TeraScale 3.
  • Core clock speed of Radeon HD 6990 is 30 MHz higher, than FirePro V4900.
  • FirePro V4900 and Radeon HD 6990 are manufactured by 40 nm process technology.
  • Radeon HD 6990 is 132 mm longer, than FirePro V4900.
  • Memory clock speed of Radeon HD 6990 is 1000 MHz higher, than FirePro V4900.

Game benchmarks

high / 1080p 2−3 14−16
ultra / 1080p 1−2 9−10
QHD / 1440p 0−1 3−4
low / 720p 12−14 30−35
medium / 1080p 4−5 18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 280% more, than FirePro V4900.

Full Specs

  FirePro V4900 Radeon HD 6990
Architecture TeraScale 2 TeraScale 3
Code name Turks Antilles
Type Workstation Desktop
Release date 1 November 2011 8 March 2011
Pipelines 480 1536
Core clock speed 800 MHz 830 MHz
Transistor count 716 million 2,640 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 19.20 79.68
Floating-point performance 768.0 gflops 2x 2,549.8 gflops
Length 163 mm 295 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 5000 MHz
Memory bandwidth 64 GB/s 160.0 GB/s
DirectX 11.2 (11_0) 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
Bitcoin / BTC (SHA256) 73 Mh/s 265 Mh/s
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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