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Gigabyte R9 270X Windforce OC Review

We have built a system inside a Lian Li chassis with no case fans and have used a fanless cooler on our CPU. The motherboard is also passively cooled. This gives us a build with almost completely passive cooling and it means we can measure noise of just the graphics card inside the system when we run looped 3dMark tests.

We measure from a distance of around 1 meter from the closed chassis and 4 foot from the ground to mirror a real world situation. Ambient noise in the room measures close to the limits of our sound meter at 28dBa.

Why do this? Well this means we can eliminate secondary noise pollution in the test room and concentrate on only the video card. It also brings us slightly closer to industry standards, such as DIN 45635.

KitGuru noise guide

10dBA – Normal Breathing/Rustling Leaves
20-25dBA – Whisper
30dBA – High Quality Computer fan
40dBA – A Bubbling Brook, or a Refrigerator
50dBA – Normal Conversation
60dBA – Laughter
70dBA – Vacuum Cleaner or Hairdryer
80dBA – City Traffic or a Garbage Disposal
90dBA – Motorcycle or Lawnmower
100dBA – MP3 player at maximum output
110dBA – Orchestra
120dBA – Front row rock concert/Jet Engine
130dBA – Threshold of Pain
140dBA – Military Jet takeoff/Gunshot (close range)
160dBA – Instant Perforation of eardrum
noise
The benefits of using three quality fans, instead of two. Not only is cooling performance class leading, but the noise levels are also close to the best in this sector. Exceptional results for the WindForce cooling system.

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5 comments

  1. Well that is beautiful, no doubt about it. excellent card from Gigabyte!

  2. the windforce coolers are great, I have an older windforce card and its quiet as hell.

    Just watch out for dust long term, they do gather a lot, and I find they need cleaned out every 4 -5 months under regular use or performance will be hurt.

  3. If you only have a 1080p monitor I dont see any point in spending more than £180 now.

  4. Ordering this one in the new year. superb for the money

  5. Well I’m more than sure that I’ve made a good investment, my country is hot, arround 36 on summer so a good cooling solution it’s a must have, anyway good investment, good decent card, way more cheaper than nVidia’s a power hungry overheating machine, I’ve hada lot bad experiences with nVidia this is my first AMD-ATI GPU