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11/14/2007
Video Cards
HD3850, HD3870, 8800GT Power Usage Round up

All of them are super hot. But, high temperature is not equal more power consumption? Lets compare their idle and full load power consumption.


80-90 even 100C... That is normal

With those cheap heatsink, ATi HD3850, 3870, and nVidia 8800GT are very easy heat up your case.
But, we need to understand heat is not equal to power consumption.
HD3870 produces so much heat just like a 2900XT. Many people wonder the power usage may be same as 2900XT.
Anyways, lets see who use more power under idle and load.



This is the system running without a video card under windows xp






8800GT single card

idle





load under 3Dmark06 Game test 2





ATi HD3850 Power test


HD3850 Single Card





HD3850 Single Card load under 3Dmark06 Game test 2






HD3850 Crossfire idle





HD3850 Crossfire load under 3Dmark06 Game 2





ATi HD3870 Power test

HD3870 Single card idle




HD3870 Single Card load under 3Dmark06 Game test 2





HD3870 Crossfire idle




HD3870 Crossfire load under 3Dmark06 Game 2





Table



Testing Platform

Video Card
ATi
ATi HD3850
ATi HD3850 x2 (CF)
ATi HD3870
ATi HD3870 x2(CF)

Gigabyte
nVidia Geforce 8800GT
--------------------------------

Motherboard
Asus
P35 ROG Blitz Extreme
--------------------------------

CPU
Intel
QX9650 @ 4Ghz
--------------------------------

Memory
G.SKILL
F3-12800CL7D-2GBHZ
--------------------------------

Hard Drive
Seagate
7200.10 320GB
--------------------------------

Power Supply
Thermaltake
Toughpower W0156RU 1200W
--------------------------------

Operation System
Microsoft
Windows XP SP2

--------------------------------

Testing Program
Futuremark
3Dmark06 Game Test 2

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