GRID K2 vs Radeon HD 6850 X2

If you are going to buy a new graphics card and are choosing between GRID K2 and Radeon HD 6850 X2, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GRID K2 stacks up against Radeon HD 6850 X2, check out specs charts below.
Radeon HD 6850 X2

Main Specs

  GRID K2 Radeon HD 6850 X2
Power consumption (TDP) 225 Watt 254 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 8-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 2 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6850 X2 has 12% more power consumption, than GRID K2.
  • GRID K2 is connected by PCIe 3.0 x16, and Radeon HD 6850 X2 uses PCIe 2.0 x16 interface.
  • GRID K2 has 2 GB more memory, than Radeon HD 6850 X2.
  • Both cards are used in Desktops.
  • GRID K2 is build with Kepler architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Radeon HD 6850 X2 is 55 MHz higher, than GRID K2.
  • GRID K2 is manufactured by 28 nm process technology, and Radeon HD 6850 X2 - by 40 nm process technology.
  • Memory clock speed of GRID K2 is 800 MHz higher, than Radeon HD 6850 X2.

Game benchmarks

high / 1080p 16−18 12−14
ultra / 1080p 9−10 7−8
QHD / 1440p 4−5 2−3
4K / 2160p 4−5
low / 720p 30−35 27−30
medium / 1080p 20−22 16−18
The average gaming FPS of GRID K2 in Assassin's Creed Odyssey is 23% more, than Radeon HD 6850 X2.

Full Specs

  GRID K2 Radeon HD 6850 X2
Architecture Kepler TeraScale 2
Code name GK104 Barts
Type Workstation Desktop
Release date 11 May 2013 19 September 2011
Pipelines 1536 960
Core clock speed 745 MHz 800 MHz
Transistor count 3,540 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 95.36 38.40
Floating-point performance 2x 2,289 gflops 2x 1,536.0 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 5000 MHz 4200 MHz
Memory bandwidth 160.0 GB/s 134.4 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) 114 Mh/s
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