![]() Mobo: Gigabyte GA-X99-UD4 (opens in new tab) The dual 8-pin connections might not be strictly necessary (8-pin + 6-pin would do), but they're there to provide a bit of wiggle room if you need it.ĬPU: Intel Core i7-5930K (opens in new tab) 4.2GHz Zotac lists the power draw at 270W, which is in line with what I measured. Zotac's card could in theory draw up to 375W of power from the various connections, and in practice it uses 75-90W more power than a stock 1080 FE. That's more than a little overkill, considering the stock 1080 is designed to use 180W, and a single 8-pin plus the x16 slot are able to provide 225W combined. Along with the massive cooler, the Amp Extreme sports not one but two 8-pin PEG connections. The core GTX 1080 specs haven't changed, but Zotac is pushing the limits hard and they've taken a few extra liberties with their card's design. We've looked at a few of these Zotac cards in the past, and with some people saying cooling is a concern for the GTX 1080, we wanted to unleash the hounds and see what happens when a company pulls out all the stops. Zotac sent over their unholy behemoth of a card to prove that bigger actually is better. Zotac's factory-overclock for the RTX 3090 Ti is 1890 MHz boost, while the NVIDIA reference runs 1860 MHz.Behold, the Zotac GTX 1080 Amp Extreme, a triple-wide juggernaut that weighs almost twice as much as the 1080 Founders Edition. The PCB also features a large cutout for airflow from the cooler to pass right through. Underneath is a brand-new PCB with a significantly different power design built around that 16-pin connector. There's an unmistakably large RGB lighting element along the top of the card. It features a meaty triple-slot heatsink that's ventilated by a trio of fans. The Zotac RTX 3090 Ti Amp Extreme Holo is the company's flagship air-cooled custom-design product and features an updated variant of the IceStorm 2.0 cooling solution we've seen on the likes of the RTX 3090 Amp Extreme. The 16-pin connector is still very new for the PSU industry, so all board partners are required to include an NVIDIA-designed adapter that converts three 8-pin PCIe power connectors to a 16-pin connector. The connector is technically capable of up to 600 W power delivery, and NVIDIA rated the typical board power of the reference RTX 3090 Ti at 450 W, which is a whole 100 W higher than the RTX 3090 and means that overclocked custom-design cards such as the Zotac Amp Extreme we're reviewing today could approach or even cross the 450 W-mark. The RTX 3090 Ti is also the first graphics card to debut the new ATX 16-pin power connector, and not just on the NVIDIA Founders Edition card, but also custom-design cards, across the board. NVIDIA had gone with such a large memory amount for the original RTX 3090 because it positioned the SKU as a halo-segment product, since there's no TITAN product this generation and the large memory amount enables certain creator use-cases with large data sets. The new chips enable a memory bandwidth of over 1 TB/s, up from the 954 GB/s on the RTX 3090. The memory subsystem sees an upgrade, too, with the introduction of 21 Gbps-rated GDDR6X memory chips in place of the 19.5 Gbps ones on the RTX 3090. This works out to 10,752 CUDA cores, 84 RT cores, and 336 Tensor cores. All 84 streaming multiprocessors (SM) of the GA102 silicon are enabled on the RTX 3090 Ti.
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