GRID K260Q vs Radeon HD 6990

Find out if it is worth upgrading your current GPU setup by comparing GRID K260Q 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 GRID K260Q 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

  GRID K260Q Radeon HD 6990
Power consumption (TDP) 225 Watt 375 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 6990 has 66% more power consumption, than GRID K260Q.
  • GRID K260Q is connected by PCIe 3.0 x16, and Radeon HD 6990 uses PCIe 2.0 x16 interface.
  • GRID K260Q and Radeon HD 6990 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • GRID K260Q is build with Kepler architecture, and Radeon HD 6990 - with TeraScale 3.
  • Core clock speed of Radeon HD 6990 is 85 MHz higher, than GRID K260Q.
  • GRID K260Q is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
  • Memory clock speed of GRID K260Q and Radeon HD 6990 is 5000 MHz.

Game benchmarks

high / 1080p 14−16 14−16
ultra / 1080p 9−10 9−10
QHD / 1440p 3−4 3−4
low / 720p 30−35 30−35
medium / 1080p 18−20 18−20
GRID K260Q and Radeon HD 6990 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GRID K260Q Radeon HD 6990
Architecture Kepler TeraScale 3
Code name GK104 Antilles
Type Workstation Desktop
Release date 28 June 2013 8 March 2011
Pipelines 1536 1536
Core clock speed 745 MHz 830 MHz
Transistor count 3,540 million 2,640 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 95.36 79.68
Floating-point performance 2,289 gflops 2x 2,549.8 gflops
Length 295 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 5000 MHz 5000 MHz
Memory bandwidth 160.0 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
Bitcoin / BTC (SHA256) 265 Mh/s
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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