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Graphics Card Asus Matrix-HD7970-P-3GD5 Review
Model Matrix-HD7970-P-3GD5 is supposed to be the most powerful graphics card delivered by Asus that is based on Tahiti chip. This card belongs to Matrix series targeting primarily gamers and overclockers. In addition, Radeon HD 7970 is one of the most highly-productive adapters with a striking overclocking potential. Thus, Asus has managed to implement both performance and power in a single product to provide for the utmost results and utmost convenience.
Design
Graphics card from Asus features similar to other Matrix-series models design. Its frontal panel consists of a large cooler with two voluminous fans. This cooling system is covered by a shroud with red insertions. Its rear panel accommodates a perforated plate that leaves bare only a few zones on a textolite (CrossFire sockets, iROG controller, VGA Hotwire zone); spacing under the cooler is covered by a thick plate-heatsink that prevents textolite deformation. The side panel contains a pair of 8-contact power sockets. The other side panel has got Asus and Matrix logos which are lighted by a multi-color backlight (green color for standby mode and red color for operational mode). Upon the whole, this card takes three expansion slots within the chassis.
The integration of voltage control buttons, the activation of maximal cooling mode (100% fan rotational speed), and the possibility to clear settings on BIOS upload are considered to be truly unique peculiarities which can be found in Matrix-HD7970-P-3GD5. Right from the start the user gets access to cooler's Turbo mode only, while all other buttons are covered by a cooling system. The rear panel is equipped with a pair of DVI and four DisplayPort sockets.
The nominal delivery kit of a new graphics card consists of a detailed user manual, a CrossFire bridge, VGA Hotwire cables, a DVI to D-Sub adapter, a dedicated adapter from two PCI Express 6-pin to PCI Express 8-pin, an additional VRM heatsink, and CD with software.
PCB
First of all, it must be mentioned that PCB design differs a lot from that implemented in a reference model. All sockets on a board have been enlarged to localize all necessary elements; such technology is known as Super Alloy Power. Power system is quite complicated and boasts the availability of 20 phases, 16 of which are alloted for GPU supply. This circuit board also employs PWM controller with Digi+ ASP1211 marking. Tahiti GPU (with 2048 current processors and 128 texture blocks) is rounded by a protective frame. Twelve micro-chips Hynix H5GQ2H24AFR R0C represent the implemented GDDR5 memory of 3GB volume capacity. The chips employ 384-bit interface.
To continue, this graphics card model amazes customers by a striking factory overclocking. Hence, the GPU operates at 1100MHz in Boost mode (1050MHz in nominal mode), while memory chips – at 6600MHz frequency. The reference model demonstrates far more modest showings with 925MHz for GPU and 5500MHz for memory. Applet Asus GPU Tweak is the best means for monitoring and overclocking. It gives limitless opportunities for the control of all operational parameters; for instance, along with the general GPU temperature the user might monitor also PCB, memory and VRM block temperature. Besides, the card has got separate fan control and monitoring, as well as GPU and memory voltage regulation.
Cooling System
Asus Matrix-HD7970-P-3GD5 employs an original cooling system with a small-sized heatsink, five heat pipes, and a copper base. The integrated 100 mm fans are removed with certain efforts. Screws are covered by ornamental elements of a shroud; this is why, it's necessary to break them in order to remove the fans. Plate-heatsink covers all power components and the majority of memory chips. Its corrugated surface is called to enlarge heat dissipation area.
Design
Graphics card from Asus features similar to other Matrix-series models design. Its frontal panel consists of a large cooler with two voluminous fans. This cooling system is covered by a shroud with red insertions. Its rear panel accommodates a perforated plate that leaves bare only a few zones on a textolite (CrossFire sockets, iROG controller, VGA Hotwire zone); spacing under the cooler is covered by a thick plate-heatsink that prevents textolite deformation. The side panel contains a pair of 8-contact power sockets. The other side panel has got Asus and Matrix logos which are lighted by a multi-color backlight (green color for standby mode and red color for operational mode). Upon the whole, this card takes three expansion slots within the chassis.
The integration of voltage control buttons, the activation of maximal cooling mode (100% fan rotational speed), and the possibility to clear settings on BIOS upload are considered to be truly unique peculiarities which can be found in Matrix-HD7970-P-3GD5. Right from the start the user gets access to cooler's Turbo mode only, while all other buttons are covered by a cooling system. The rear panel is equipped with a pair of DVI and four DisplayPort sockets.
The nominal delivery kit of a new graphics card consists of a detailed user manual, a CrossFire bridge, VGA Hotwire cables, a DVI to D-Sub adapter, a dedicated adapter from two PCI Express 6-pin to PCI Express 8-pin, an additional VRM heatsink, and CD with software.
PCB
First of all, it must be mentioned that PCB design differs a lot from that implemented in a reference model. All sockets on a board have been enlarged to localize all necessary elements; such technology is known as Super Alloy Power. Power system is quite complicated and boasts the availability of 20 phases, 16 of which are alloted for GPU supply. This circuit board also employs PWM controller with Digi+ ASP1211 marking. Tahiti GPU (with 2048 current processors and 128 texture blocks) is rounded by a protective frame. Twelve micro-chips Hynix H5GQ2H24AFR R0C represent the implemented GDDR5 memory of 3GB volume capacity. The chips employ 384-bit interface.
To continue, this graphics card model amazes customers by a striking factory overclocking. Hence, the GPU operates at 1100MHz in Boost mode (1050MHz in nominal mode), while memory chips – at 6600MHz frequency. The reference model demonstrates far more modest showings with 925MHz for GPU and 5500MHz for memory. Applet Asus GPU Tweak is the best means for monitoring and overclocking. It gives limitless opportunities for the control of all operational parameters; for instance, along with the general GPU temperature the user might monitor also PCB, memory and VRM block temperature. Besides, the card has got separate fan control and monitoring, as well as GPU and memory voltage regulation.
Cooling System
Asus Matrix-HD7970-P-3GD5 employs an original cooling system with a small-sized heatsink, five heat pipes, and a copper base. The integrated 100 mm fans are removed with certain efforts. Screws are covered by ornamental elements of a shroud; this is why, it's necessary to break them in order to remove the fans. Plate-heatsink covers all power components and the majority of memory chips. Its corrugated surface is called to enlarge heat dissipation area.
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