GRID K280Q vs Radeon HD 4890

When choosing between GRID K280Q and Radeon HD 4890, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GRID K280Q and Radeon HD 4890.

Main Specs

  GRID K280Q Radeon HD 4890
Power consumption (TDP) 225 Watt 190 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • GRID K280Q has 18% more power consumption, than Radeon HD 4890.
  • GRID K280Q is connected by PCIe 3.0 x16, and Radeon HD 4890 uses PCIe 2.0 x16 interface.
  • GRID K280Q has 3 GB more memory, than Radeon HD 4890.
  • Both cards are used in Desktops.
  • GRID K280Q is build with Kepler architecture, and Radeon HD 4890 - with TeraScale.
  • Core clock speed of Radeon HD 4890 is 105 MHz higher, than GRID K280Q.
  • GRID K280Q is manufactured by 28 nm process technology, and Radeon HD 4890 - by 55 nm process technology.
  • Memory clock speed of GRID K280Q is 1100 MHz higher, than Radeon HD 4890.

Game benchmarks

high / 1080p 12−14 7−8
ultra / 1080p 7−8 4−5
QHD / 1440p 1−2 0−1
low / 720p 24−27 16−18
medium / 1080p 14−16 8−9
The average gaming FPS of GRID K280Q in Assassin's Creed Odyssey is 66% more, than Radeon HD 4890.

Full Specs

  GRID K280Q Radeon HD 4890
Architecture Kepler TeraScale
Code name GK104 RV790
Type Workstation Desktop
Release date 28 June 2013 2 April 2009
Pipelines 1536 800
Core clock speed 745 MHz 850 MHz
Transistor count 3,540 million 959 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 95.36 34.00
Floating-point performance 2,289 gflops 1,360.0 gflops
Length 241 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 5000 MHz 3900 MHz
Memory bandwidth 160.0 GB/s 124.8 GB/s
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.6 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA 3.0
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