Sapphire released its Radeon HD 7870 XT with Boost, a new which in Sapphire own words is based on AMD's Tahiti architecture. Unlike the other Tahiti LE cards, this model only has 1280 stream processors (instead of 1536). It has a 925MHz core, 975MHz Boost and 2GB GDDR5 clocked at 6000MHz. Display outputs include Dual-Link DVI-I, 1x HDMI and 2x Mini-DisplayPort.
ire introduces the HD 7870 XT with Boost, a new which in Sapphire own words is based on AMD's Tahiti architecture. Unlike the other Tahiti LE cards, this model only has 1280 stream processors (instead of 1536). It has a 925MHz core, 975MHz Boost and 2GB GDDR5 clocked at 6000MHz. Display outputs include Dual-Link DVI-I, 1x HDMI and 2x Mini-DisplayPort. SAPPHIRE Technology has just announced a new graphics card in its HD 7000 series – the SAPPHIRE HD 7870 XT with Boost. Like the other cards in the HD 7000 series, the new card is based on the highly acclaimed Graphics Core Next architecture from AMD.
The SAPPHIRE HD 7870 XT with Boost delivers a new price/performance point to the series. It is based on AMD’s Tahiti architecture with its 256-bit memory interface, and 1280 stream processors and 80 Texture units, unlike the remainder of the HD 7800 series that uses the Pitcairn architecture. Configured with 2GB of high speed GDDR5 memory running at 1500 MHz (6GHz effective) the SAPPPHIRE HD 7870 XT has a core clock of 925MHz which dynamically rises to 975MHz with PowerTune Boost, AMDs dynamic performance enhancement for games.
This new model also features SAPPHIRE’s latest Dual-X cooler technology, with its graduated heatpipes and two aerofoil fans with dust repelling bearings for efficient cooling and low noise operation. Output configuration is Dual Link DVI-I (supporting VGA with dongle supplied), HDMI and two mini-DisplayPorts, allowing a wide range of monitor types to be connected. AMD’s multi-monitor SLS technology, Eyefinity is supported.
For enthusiasts wishing to maximise performance of this graphics card, the latest version of the SAPPHIRE overclocking tool, TriXX supports this technology and is available free to download from the SAPPHIRE website. SAPPHIRE TriXX allows tuning of GPU voltage as well as core and memory clocks, whilst continuously displaying temperature. Manual control of fan speed is supported, as well as user created fan profiles and the ability to save up to four different performance settings.
The HD 7000 series is the third generation of DirectX 11 compatible solutions from the graphics division of AMD - formerly ATI. The SAPPHIRE HD 7870 XT is ready for DirectX 11.1 and the new Windows 8 operating system as well as delivering all the features of the current DirectX 11 such as DirectCompute11 and multi threaded communications with the CPU. Communication with the host PC is optimised with the implementation of the latest high speed PCI-Express Gen3.0 interface, and multiple cards can be used to further enhance performance in CrossFireX mode on a suitably specified mainboard.
HDMI specifications have also increased in the HD 7000 series. Fast HDMI 1.4a supports Stereoscopic 3D with enhanced frame rates of 60Hz per eye - 120Hz total. It is also ready for the next generation of 4K displays that can be driven from a single high speed input of 3GHz HDMI 1.4a or DisplayPort 1.2 HBR2.
APP Acceleration is the name given to the enhanced performance of a wide range of applications using the stream processing capabilities and specific hardware features of the graphics architecture. The HD 7000 series has been optimised for this type of task. Typical applications include Video encoding and decoding, compression and multiplexing for media distribution, gaming or video conferencing. APP acceleration can also enhance everyday tasks such as Internet browsing, Office applications and file compression with supported software suites.
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Sapphire Radeon HD 7870 Dual-X Edition Graphics Card - 11/02/2012 03:11 PM
Sapphire rolled out a Radeon HD 7870 Dual-X Edition Graphics Card. The new 7870 GHz edition graphics card is a cost effective solution that offers a noise lowering dual-fan cooling solution. The card comes with 2 GB of GDDR5 memory across a 256-bit wide memory bus. The card sticks to AMD reference clock frequencies at a 1000 MHz core and 4.80 Gbps memory.
Sapphire releases a 6GB Radeon HD 7970 TOXIC - 07/17/2012 12:00 PM
Personally I fail to see why you would need 6GB of graphics memory being tied to one GPU, the regular 3GB already should be aby far sufficient enough. That didn't stop Sapphire to release a
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