HTC One X9 is a mid-range phone, not with Snapdragon 820
@evleaks tweeted that HTC One X9, Model E56 would feature a 5.5 inches Full HD display, 2GB of RAM, Mediatek chipset, 13-megapixel rear camera with OIS and 4MP Ultrapixel front camera, 2GB RAM, 16GB ROM, 3000 mAh battery etc..
Along with Evan Blass, @LlabTooFeR also tweeted that previous rumor is wrong. Have a look at the screenshots
According to source, HTC One X9 would be launched in the first quarter of 2016, just 2 to 3 months before HTC One M10 arrival. It would be priced at lower compared to HTC One A9.