An image (above) has been posted in China on Baidu and compares the frontal look of Lumia 930 and Lumia 830. If you compare the actual size specs of Lumia 930 ( 137 mm x 71 mm ) to that of Lumia 830 ( 139.4 mm x 70.7 mm ), the above render looks pretty real and also matches to what we have seen in leaked certification images.
The Lumia 830 image has even the “Nokia customary 8:30 time” on it in the above image. So, may be it is a real image comparing Lumia 930 and Lumia 830 ( or a very well-made render ).
The other claim that the leakster makes is that Lumia 830 will sport IPS LCD display, which packed with Nokia’s PureMotion tech is usually better than AMOLED displays. The claimed display-size claimed is 5 inch, 720p which confirms what we already know.
You can read our Lumia 830 dedicated page for more on Lumia 830 specs, features, pricing and announcement.