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Here is the video card Radeon HD 3870 X2 from HIS production , which is already proposed in Chinese stores for approximately $550.
The length of video card Radeon HD 3870 x2 is not larger than GeForce 8800 ultra or GeForce 9800 gx2.
Back side cooling part serves for memory chips cooling .
As we already explained yesterday, there is two radiators one is made from copper, the second is made from aluminum.
Here is the Radeon HD 3870 x2 without cooling system:
Now let us check its back side:
Gddr-3 memory Microcircuits are from Samsung production and with access time 1.0 ns (2 X 512 mb ). The default video card frequencies are equal to 825/1800 MHz.
This Video card is equipped with two power connector - six and eight.
According to benchmark the new dual chip card from AMD can compete with the single GeForce 8800 Ultra.
The used system :
CPU:Intel Core 2 Duo QX6850 OCiLGA775,3.60G,4096K L2 x 2j400 x 9 = 3600MHziDDR2 1066 5-5-5-15j
Motherboard:Gigabyte GA-X48-DQ6
Memory:PNY DDR2-1066 1GB x 2
HDD: Seagate 7200.10 SATA 320G
VGA card: Radeon HD 3870 X2 1GBi825/1800j(core/memory)
GeForce 8800Ultra 768M(612/2160/1512)(core/memory/shader)

Radeon HD 3870 X2 power consumption

Geforce 8800 Ultra power consumption

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