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On the example of ASUS Radeon HD 7790 DirectCu II 1024MB 128-bit DDR5 (1075/1075/6400 MHz).

Features:

• GPU: Radeon HD 7790 (Bonaire XT)
• Interface: PCIe 3.0 x16
• GPU clock rate (ROPs/shaders): 1075/1075 MHz (the standard is 1000/1000 MHz)
• Memory clock rate, physical (effective): 1600 (6400) MHz (the standard is 1500 (6000) MHz)
• Memory bus: 128-bit
• Stream processors: 896
• Texture units: 56 (BLF/TLF/ANIS)
• ROP units: 16
• Dimensions: 216x130x38 mm, dual-slot
• Board color: black
• Power consumption (3D peak/2D/idle): 102/57/3 W
• Display connectors: Dual-Link DVI-I, Single-Link DVI-D, HDMI, DisplayPort
• Multi-GPU mode: hardware CrossFireX

This card features its own audio codec, so nothing else is required to output audio to HDMI.

This card has one 6-pin supplementary power connector.

This card can work with three monitors simultaneously.

There's also a very interesting feature called "ZeroCore Power," which is basically card's ability to hybernate when monitor turns off after a period of inactivity. Usually, a graphics card remains in the same 2D mode, at same clock rates. With ZeroCore Power, any Radeon HD 7000 considerably reduces clock rates, consuming just 3W, then stops the fan. Moreover, in a CrossFire configuration, as soon as cards go out of the 3D mode, only the first card continues to work while the remaining ones go into the aforementioned hybernation. A very nice feature we'd say!

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