The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Happened as dated, per hexus.net: "…y surprising given AMD's Radeon R9 290X launch last week and serving as a tacit understanding that i…"
NVIDIA's[4] GTX 780 Ti specifications page lists 2880 CUDA cores, 875/928 MHz base/boost clocks, 3072 MB GDDR5 at 7.0 Gbps on a 384-bit interface (336 GB/sec), 250 W card power and the DVI/HDMI/DisplayPort outputs.
TechRadar's own review page confirms it reviewed the GeForce GTX 780 Ti, with a stored publish date of 8 November 2013, two days after the pin's launch date, consistent with launch-week review coverage, though a membership wall blocked retrieval of the full review text.
NVIDIA's[2] own press release confirms it "today introduced the NVIDIA GeForce GTX 780 Ti GPU," published from Santa Clara on 6 November 2013 - an exact match to the pin's stored launch date.
Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most.