Do you want to know what's going to be powering the next generation of smartphones? What hardcore GPUs will be in your next gaming rig? Then there's only one place to be tonight: Nvidia's event in fabulous Las Vegas, Nevada, one of the very first in a long string of press conferences here over the next few days. The rumored Tegra 4 could be unveiled, heating up an already white-hot rivalry with Qualcomm to corner the smartphone market — but will it be enough to get Nvidia through 2013? We may not have long to wait to find out.

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