XFX HD7850 Black Edition Review

1. Introduction2. XFX HD7850 Black Edition3. XFX HD7850 Black Edition (Super High Res Gallery)4. Testing Methodology5. Synthetic: Unigine Heaven Benchmark6. Synthetic: 3D Mark Vantage7. Synthetic: 3DMark 118. Synthetic: HQV Benchmark 2.09. Gaming: F1 201110. Gaming: HomeFront11. Gaming: Alien V Predator12. Gaming: Dead Island13. Gaming: Tom Clancy HAWX 214. Gaming: Resident Evil 515. Gaming: Far Cry 216. Gaming: Total War Shogun 217. Technical: Acoustics Performance18. Technical: Thermal Dynamics19. Technical: Power Consumption20. Technical: Overclocking21. Closing Thoughts22. View All Pages

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 XFX HD7850 Black Edition is almost as quiet as the Sapphire solution, indistinguishable to the naked ear, but recordable with the equipment we use. It is an improvement on the reference solution, which is already quiet. The XFX fans only spin at 1,600 rpm when gaming, which is very low.

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