'Digital' PSU Corsair AX1200i Review

Power supply unit AX1200i designed by Corsair is a high-end product applied primarily in powerful desktop platforms. Its superior characteristics are currently widely spoken about, due to the promotion of the so-called 'digital' technology in PSU layout. 'Digital' PSUs employ digital signal processors instead of traditional analog controllers to provide for the utmost performance, efficiency, and facilities. Under Corsair's words, the implementation of digital options in the development of PC units, and particularly AX1200i model, is a justified measure viewed as from technological, so from economical prospect.

Basic Peculiarities

Corsair AX1200i is delivered in a large dual-base box, consisting of a paper cover and a corrugated cardboard. The box contains all basic information about the unit: +12VDC bus efficiency is estimated at 1204.8W/100A; the correlation between +12VDC bus and the overall power efficiency equals to 1.0 index that is supposed to be an excellent …

PNY Debuts with GeForce GTX 750 and GTX 750 Ti Adapters

PNY, following an echelon of graphics cards manufacturers, has launched its own versions of Nvidia’s GeForce GTX 750 adapters. The PNY GeForce GTX 750 and PNY GeForce GTX 750 Ti are based on power-efficient Maxwell architecture that does not compromise on performance. Both new-comers operate at etalon frequencies and are thought to provide entry-level customers with some outstanding facilities. The preliminary retail price of models makes up $124 and $149 for GTX 750 and Ti version correspondingly.

The PNY GeForce GTX 750 employs GM107-300 GPU (512 CUDA cores), whereas the PNY GeForce GTX 750 Ti is equipped with GM107-400 GPU (640 CUDA cores). Both run at 1020 MHz (nominal) / 1085 MHz (boost) clock frequency. The products are differentiated also by the incorporation of video memory.

The first model involves 1 GB of GDDR5 memory; it uses 128-bit interface and runs at 1250 MHz (nominal) / 5000 MHz (efficient) frequency. At the same time, the second model involves 2 GB of …

AMD Officially Introduces Radeon HD 7790 Graphics Card

An official introduction of a new graphics card from AMD, entitled Radeon HD 7790, has been settled into a dedicated press briefing. Within the framework of this briefing, the company not only gave a detailed description of a long-awaited product but also divulged a comparative performance analysis with its main rival’s adapter – Nvidia GeForce GTX 650 Ti. Therefore, AMD Radeon HD 7790 graphics card belongs to mainstream items and is targeting a wide range of customers. It is based on AMD Bonaire GPU with AMD GCN architecture developed under 28 nm technological process. The GPU consists of 896 current processors, 14 computing blocks, 56 texture blocks, and 16 ROP blocks.

Video memory subsystem comprises 1 GB of GDDR5 memory type, employing 128-bit bus. Its nominal clock frequency equals to 1500 MHz, while effective frequency makes up 6000 MHz. The overall efficiency level of this adapter is estimated at 1.79 TFLOPS; this index is twice larger than the one recorded with AMD …
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Registered at: 21 May 2012, 20:05
Last visit: 21 May 2012, 20:05