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We have changed our method of measuring noise levels. We have built a system inside a Lian Li chassis with no case fans and have used a fanless cooler on our CPU. We are using a heatpipe based passive power supply and an Intel SSD to keep noise levels to a minimum. The motherboard is also passively cooled. This gives us a build with completely passive cooling and it means we can measure noise of just the graphics card inside the system when we run looped 3dMark tests.
Ambient noise in the room is around 20-25dBa. 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.
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 Refridgerator
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
The VTX3D cooler is very impressive, and is only very slightly louder than the XFX HD7970 Double Dissipation which we reviewed in January. The reference card by comparison is audibly louder when gaming.
Wow thats a great product, surprised how well it handles.
What is their warranty support like though? Powercolor had a terrible coverage plan in the UK.
I dont think it looks that bad. anyway who looks at a video card anyway, once its installed, its out of sight, right?
Wow im buying this, ive waited for a while now for a good 7970 with quality cooler. none in stock yet, another week before its available 🙁 damn you kitguru for getting my hopes up.
Well some difference there is… as i checked warranty times from one shop for some 7970 cards. MSI, ASUS, Gigabyte offering 3 years on the ones i checked. XFX 2 years and this one has 1 year. I bought this one anyway.