Radeon HD 6990 vs Tesla T4

In this comparison between Radeon HD 6990 and Tesla T4 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 Radeon HD 6990 will be the best choice, for others Tesla T4 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6990 Tesla T4
Power consumption (TDP) 375 Watt 70 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 8-pin None
Memory type GDDR5 GDDR6
Maximum RAM amount 2 GB 16 GB
Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
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  • Radeon HD 6990 has 435% more power consumption, than Tesla T4.
  • Radeon HD 6990 is connected by PCIe 2.0 x16, and Tesla T4 uses PCIe 3.0 x16 interface.
  • Tesla T4 has 14 GB more memory, than Radeon HD 6990.
  • Both cards are used in Desktops.
  • Radeon HD 6990 is build with TeraScale 3 architecture, and Tesla T4 - with Turing.
  • Core clock speed of Radeon HD 6990 is 245 MHz higher, than Tesla T4.
  • Radeon HD 6990 is manufactured by 40 nm process technology, and Tesla T4 - by 12 nm process technology.
  • Radeon HD 6990 is 127 mm longer, than Tesla T4.
  • Memory clock speed of Tesla T4 is 5000 MHz higher, than Radeon HD 6990.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 9−10 21−24
QHD / 1440p 3−4 16−18
4K / 2160p 10−11
low / 720p 30−35 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Tesla T4 in Assassin's Creed Odyssey is 140% more, than Radeon HD 6990.

Full Specs

  Radeon HD 6990 Tesla T4
Architecture TeraScale 3 Turing
Code name Antilles TU104
Type Desktop Workstation
Release date 8 March 2011 13 September 2018
Pipelines 1536 2560
Core clock speed 830 MHz 585 MHz
Boost Clock 1590 MHz
Transistor count 2,640 million 13,600 million
Manufacturing process technology 40 nm 12 nm
Texture fill rate 79.68 254.4
Floating-point performance 2x 2,549.8 gflops
Length 295 mm 168 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 5000 MHz 10000 MHz
Memory bandwidth 160.0 GB/s 320.0 GB/s
DirectX 11.2 (11_0) 12 Ultimate (12_1)
Shader Model 5.0 6.5
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A 1.2.131
CUDA 7.5
Bitcoin / BTC (SHA256) 265 Mh/s
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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