First GeForce GTX 780 Review Leaks Out, Inno3D GTX 780 iChill Exposed

Published: 22nd May 2013, 09:26 GMT

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Expreview posted (by accident) the first review of the GeForce GTX 780. Gladly I have a copy for you (in case they notice an increased traffic from VC).

NVIDIA GeForce GTX 780 which is going to be released tomorrow will feature GK110 GPU with 2304 CUDA cores. Expreview confirmed all the specs, including the speculated number of ROPs. Therefore the card will make use of 192 TMUs and 48 ROPs, this is now official, sort of.

The GTX 780 is equipped with 3GB GDDR5 memory which is running at 6 GHz effective speed. The reference clock was set to 863/902 MHz, with GPU Boost 2.0 support. Card requires both 6+8pin power connectors, to draw up to 250W (not entirely true, check below).

According to multiple reports, the price starts from $650 in United States and €599 in Europe (Chinese price is 4999 yuans).

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NVIDIA GeForce GTX 780 vs GeForce GTX 680 (+27%)

It looks like the card completely outperforms the GTX 680. The difference is 27%. The scores varies depending on the resolution, the higher it goes the better the results of GTX 780, which is obvious since the card is using 384-bit interface.

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NVIDIA GeForce GTX 780 vs Radeon HD 7970 GHz Edition (+22%)

The Radeon HD 7970 GHz Edition already has 384-bit interface and 3GB memory. This is the battle of architectures and number of multiprocessors on the GPU.

With the latest Catalyst drivers used for AMD card, the new card from NVIDIA beats the Radeon by 22%. However, in AMD-picked titles, the difference is not so bright for the new GeForce model. In Crysis 3, for instance, it’s even slower by 2%.

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NVIDIA GeForce GTX 780 vs GeForce GTX TITAN (-8.5%)

The reports from my previous post about 4% were accurate, but as you can see on the chart below, the synthetic benchmarks do not correspond to the gaming performance. The GTX 780 is in fact 8.51% slower than the TITAN. The difference is almost solid on each tested resolution.

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 NVIDIA GeForce GTX 780 temperature and power consumption

It’s not really shocking that the same cooler operates almost at the same temperature levels. In idle state it’s actually cooler, since the card works at slower frequencies, thus dissipating less heat. In gaming environment you should not notice a difference, both cards generate 80 C. Surprisingly in Furmark the GTX 780 is hotter by 3 degrees C.

The maximum dissipated power of 250W is just for the reference, assuming you would only play games. But since every gamer will test his card first, then he should  expect a TDP of 280W while testing it in 3DMark. The Furmark test reveals even higher TDP, but still lower than TITAN’s.

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NVIDIA GeForce GTX 780 overclocking

On air the card will go up to 1.18 GHz, as revealed by the test. Guys over at Expreview used Afterburner for overclocking, but they were amazed that the maximum power limit is 106%. Despite that, the overclocking increased the performance by further 14%.

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Inno3D GTX 780 Ice Dragon with HerculeZ cooling system

The review also revealed the first custom model of the GTX 780. Inno3D GTX 780 Ice Dragon with HerculeZ cooler runs at 1006/1046 MHz clocks, which makes it the fastest 780 on the market. Even the memory was overclocked to 1553 MHz. This model is 10% faster than reference-based.

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