Quadro K4000 vs Radeon HD 6990

Find out if it is worth upgrading your current GPU setup by comparing Quadro K4000 and Radeon HD 6990. 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 Quadro K4000 and Radeon HD 6990. 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.

Main Specs

  Quadro K4000 Radeon HD 6990
Power consumption (TDP) 80 Watt 375 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 2 GB
Display Connectors 1x DVI, 2x DisplayPort 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 6990 has 368% more power consumption, than Quadro K4000.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Quadro K4000 has 1 GB more memory, than Radeon HD 6990.
  • Both cards are used in Desktops.
  • Quadro K4000 is build with Kepler architecture, and Radeon HD 6990 - with TeraScale 3.
  • Core clock speed of Radeon HD 6990 is 20 MHz higher, than Quadro K4000.
  • Quadro K4000 is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
  • Radeon HD 6990 is 54 mm longer, than Quadro K4000.
  • Memory clock speed of Quadro K4000 is 616 MHz higher, than Radeon HD 6990.

Game benchmarks

high / 1080p 14−16 14−16
ultra / 1080p 8−9 9−10
QHD / 1440p 3−4 3−4
low / 720p 27−30 30−35
medium / 1080p 16−18 18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 7% more, than Quadro K4000.

Full Specs

  Quadro K4000 Radeon HD 6990
Architecture Kepler TeraScale 3
Code name GK106 Antilles
Type Workstation Desktop
Release date 1 March 2013 8 March 2011
Pipelines 768 1536
Core clock speed 810 MHz 830 MHz
Transistor count 2,540 million 2,640 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 51.84 79.68
Floating-point performance 1,244 gflops 2x 2,549.8 gflops
Length 241 mm 295 mm
Memory bus width 192 Bit 256 Bit
Memory clock speed 5616 MHz 5000 MHz
Memory bandwidth 134.8 GB/s 160.0 GB/s
DirectX 12 (11_0) 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126 N/A
CUDA 3.0
Monero / XMR (CryptoNight) 0.21 kh/s
Bitcoin / BTC (SHA256) 61 Mh/s 265 Mh/s
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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