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Recently 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 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
When gaming, the card generates around 35dBA of noise, which rises to just under 40 dBA when running Furmark. The HIS card is slightly quieter than our reference design HD6870.
Very nice overclocking. the 6870’s seem pretty close to their limits. I wonder will anyone be able to sell one at 1ghz core with a custom cooler down the line? I dont think so. might be 950mhz will be the limit for these retail.
Seems a good buy, but the 6850 would be my choice as they overclock so well. seem basically the same limits as the 6870s on the core anyway.
HIS are really good. I think their reputation is a little unwarranted. ive owned a few of their ATI (Amd?) boards in the past and never had an issue. I would wait on a custom cooled one though, these reference coolers are never wonderful. 80+c on these cards seems rather high, id like to see mid 70s. which a reference cooler wont deliver.
Very nice, but HD6850 is more in line with what I want. im buying one at christmas then another in the new year. should keep me going for years. I like the 1080p tests here. I cant afford a 30 inch screen and find those results hard for me to work out. maybe a lot of people own a 30 inch screen, lucky bastards 🙁
Good card, they all are though. not sure id pay £20 for a bios update, unless the card is a hand picked model then it seems worth it. sadly HIS dont mention this, so I would assume they are maybe just from a specific batch with good yield.
A problem I always have is with reviewer samples. If this card is £20 more for 20mhz core increase and its identical, then it seems a bit expensive. Granted the memory is much higher than reference, but I think most 6870s hit those speeds anyway.
Could very well be HIS hand pick reviewer samples. but its hard to know.
IM furious. and will lodge a complaint with OCUK. I bought this last week for £240. its down to £215 on their site now. fucking pissed off.
IM furious. and will lodge a complaint with OCUK. I bought this last week for £240. its down to £215 on their site now. fucking pissed off.
You know, this would have been great to test against a 580 if you used both HIS cards in Crossfire. Actually, where is your 580 review?
Real shame they didnt use a custom cooler on this 🙁 makes them all more attractive. Are AMD blocking custom designs still or has that not passed?