China is significantly larger than India by land area.
| Metric | China | India | Ratio |
|---|---|---|---|
| Total Area | 9,596,961 km² | 3,287,263 km² | 2.92× |
| Land Area | 9,326,410 km² | 2,973,193 km² | 3.14× |
| Water Area | 270,550 km² | 314,070 km² | — |
| World Rank (Total) | 3rd/4th* | 7th | — |
*China 3rd if counting only sovereign states (after Russia, Canada); 4th if including USA total area (coastal waters).
Both have Himalayas, deserts, tropics, major river systems. China: Tibetan Plateau, Taklamakan, Yangtze/Yellow Rivers. India: Thar Desert, Deccan Plateau, Ganges/Indus basins. China's greater north-south extent (49° vs 29° latitude) yields wider climate range.