We measured the power consumption of computer systems with different graphics cards using a multifunctional panel Zalman ZM-MFC3 which can report how much power a computer (the monitor not included) draws from a wall socket. There were two test modes: 2D (editing documents in Microsoft Word and web surfing) and 3D (the benchmark from Metro 2033: The Last Refuge at 2560x1440 with maximum settings). Here are the results:
The MSI R7970 Lightning configuration consumes just as much power as expected. The system with ASUS GeForce GTX 680 DirectCU II TOP is more interesting because it equals the power consumption of the system with a reference GeForce GTX 680, although the ASUS card is pre-overclocked to 1137/6008 MHz. When the ASUS is overclocked further to 1212/7168 MHz, its system only needs 20 watts more power. ASUS engineers seem to have developed a highly efficient PCB (they claim a 15% increase in energy efficiency, by the way). And, as we already know from our earlier tests, systems with GeForce GTX 680s have lower power consumption compared to systems with Radeon HD 7970s.
Which graphics card is better, ASUS GeForce GTX 680 DirectCU II TOP or MSI R7970 Lightning? Well, we guess it’s up to you to decide, basing on your personal preferences and requirements. But each of them is going to deliver outstanding performance which is the product of cutting-edge technologies, high-quality materials and ingenious engineering solutions.
The ASUS GeForce GTX 680 DirectCU II TOP can be rebuked for its scanty accessories and bulky triple-slot form-factor whereas the MSI R7970 Lightning is rather too noisy and has single-link DVI outputs, yet these are but minor shortcomings compared to such advantages as the amazing efficiency and low noise level of ASUS’s DirectCU II cooler and the broad functionality and gold-plated chokes of MSI’s 17-phase power system. Each of these graphics cards certainly has much more highs than lows. We only have to wait for them to start selling and make our shopping choice.
In conclusion we would like to award ASUS GeForce GTX 680 DirectCU II TOP and MSI R7970 Lightning our Editor’s Choice title as the most advanced single-GPU High-End graphics cards in the market: