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Friday, 04 March 2011 14:16

Sapphire HD 6850 Toxic reviewed - 2. A closer look at HD 6850 Toxic

Written by Sanjin Rados
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Review: The HD 6850 with two power connectors

 

Sapphire’s HD 6850 Toxic comes factory overclocked – the GPU runs at 820MHz with memory at 1100MHz (4400MHz effectively). As you can see from the picture below, Toxic is longer than Sapphire’s reference HD 6850. Factory overclocked Toxic cards use the HD 6870’s PCB.

sapphire-6850-and-6850-toxic

Sapphire HD 6850 Toxic measures 9.5 inches in length (24.2cm), which is similar to HD 6870 or HD 5850 cards. Sapphire HD 6850 on the other hand is 8.5 inches in length (21.7cm). We’re talking about wide, dual slot cards that will fit in almost any smaller case.

sapphire-6870-and-6850-toxic

Since HD 6870’s PCB is used, Toxic also uses two 6-pin power connectors, unlike the HD 6850 which has only one. Despite consumption being similar to that of the HD 6850, you’ll have to connect the second 6-pin connector. The reason is that the second connector is for the extra demands caused by the overclock.

sapphire-6850-and-6850-toxic-power-conector

The fan blows most of heated air outside of the computer case through the rear of the video card shroud. Fan speed regulation can be performed via the Catalyst Overdrive or any other tool you may prefer. Sapphire's TriXXX tool will allow for GPU voltage changes. You can download it here, provided you register your card.

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Sapphire HD 6850 Toxic's heatsink uses three heatpipes to draw heat from the GPU core.

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The HD 6850 sports 256-bit memory bus like the HD 5800 series rather than 128-bit on the HD 5770. Sapphire HD 6850 Toxic card is equipped with 1024MB GDDR5 memory. The GDDR5 memory chips are made by Hynix (model number H5GQ1H24AFR-T2C). They are specified to run at 1250 MHz (effective 5000 MHz).

The I/O panel features two DisplayPort 1.2 connectors, one HDMI 1.4a and two DVI connectors (one of them is single-link with maximum resolution of 1920x1200).

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Just like the Radeon HD 6870, Radeon HD 6850 Toxic comes with only one CrossFire connector. This means that you can only use two cards in 2-way CrossFire.

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Radeon HD 6850 consumes 127W at max so it will require one 6-pin power connector, ali Sapphire HD 6850.  As we said earlier, Toxic has two 6-pin power connectors.

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Software GPU voltage control is possible. CHiL's CHL8214 voltage regulator supports voltage control via I2C and comes with extensive monitoring and tweaking features.

sapphire_hd_6850-toxic-back

Within the box (made of recycled paper), you’ll find the standard stuff, Crossfire Interconnect Cable, a DVI to VGA Adapter, two four pin to six pin power cables, as well as an HDMI 1.4a cable (1.8m) and a mini-DP to DP Adapter.

SAPPHIRE-HD-6850-TOXIC-PR

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Last modified on Friday, 04 March 2011 21:47
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