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March 9, 2025, California, USA — Open-source models are making text-to-video technology increasingly exciting. AI developer Ostris (@ostrisai) recently shared on X platform the results of his Wan2.1 LoRA model trained with his own photos. Using only about 20 photos and a consumer-grade RTX 4090 graphics card, he achieved astonishing video generation results. This achievement not only showcases the potential of open-source technology but also sparked a discussion on video LoRA training within the X community.

The graphics card market is about to enter a new round of intense competition. Nvidia has high hopes for its upcoming RTX5070 graphics card, claiming its performance can rival the RTX4090, with a price tag of only $549. However, whether this claim holds true remains to be seen in the market. Nvidia initially planned to release the RTX5070 in February, but according to the latest information revealed on its product page today, the release date has been postponed to March 5. Nevertheless, Nvidia still intends to launch sales on February 20, one week before AMD's scheduled event.

At the recent CES event, Nvidia CEO Jensen Huang made a striking statement: "The RTX 5070 can achieve the performance level of the RTX 4090 at a price of $549." This statement quickly sparked heated discussions on social media, particularly on YouTube and TikTok, with a flurry of comments following. So, can the RTX 5070 truly compete with the $1599 RTX 4090? The answer is not straightforward, and it hinges on N.