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Sapphire R9 290X Vapor X 8GB Crossfire 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
acoustics performance
The reference cooled Nvidia GTX Titan Z in SLI produce a fair bit of noise under load. Closely situated they radiate heat into each other – which causes the fans to spin even higher. The Sapphire R9 290X Vapor X cards are also thicker than 2 slots in width and with a pair in Crossfire, they radiate a lot of heat.

The quietest solution is the Sapphire R9 295X2 which is watercooled. Nvidia really should have thought about this for the Titan Z, especially as they could have cranked the core clock speeds in excess of 900mhz, and perhaps even up to 1GHZ. This would have had a huge, positive impact on overall performance.

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