i3DSpeed, July 2013
AMD Radeon HD 7970 3072MB 384-bit DDR5 (925/925/5500 MHz)
Andrey Vorobiev; August 5, 2013.
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On the example of a reference AMD Radeon HD 7970 3072MB 384-bit DDR5 (925/925/5500 MHz).
- GPU: Radeon HD 7970 (Tahiti XT)
- Interface: PCIe 3.0 x16
- GPU clock rate (ROPs/shaders): 925/925 MHz (standard)
- Memory clock rate, physical (effective): 1375 (5500) MHz (standard)
- Memory bus: 384-bit
- Stream processors: 2048
- Texture units: 128 (BLF/TLF/ANIS)
- ROP units: 32
- Dimensions: 275x100x33 mm
- Board color: red
- Power consumption (3D peak/2D/idle): 238/70/3 W
- Display connectors: Dual-Link DVI, HDMI 1.4a, 2 x Mini DisplayPort 1.2
- Multi-GPU mode: hardware CrossFireX
This card has two BIOS chips and a selector switch. This should help fix unsuccessful firmware upgrades. The first BIOS chip is select by default.
This card features its own audio codec, so nothing else is required to output audio to HDMI.
This card has two supplementary power connectors: one 6-pin and one 8-pin.
This card should come supplied with DP-to-DVI adapters, so from now on you won't need DisplayPort-equipped monitors to use Eyefinity. Each new DisplayPort 1.2 interface allows outputting signal to three monitors by means of a special hub. So two such interfaces allow connecting six monitors at once.
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!
We thank AMD for the provided graphics card.
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