Samsung Galaxy S21 Ultra
165.1 × 75.6 × 8.9 mm
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Size & spec comparison
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Height, width and thickness come from manufacturer specifications. Corner shapes, camera bumps and button positions are estimated for Samsung Galaxy S21 Ultra and Samsung Galaxy Fold (folded).
165.1 × 75.6 × 8.9 mm
160.9 × 62.8 × 17.1 mm
| Phone | Height | Width | Thickness | Weight | Compared with Samsung Galaxy S21 Ultra |
|---|---|---|---|---|---|
| Samsung Galaxy S21 Ultra | 165.1 mm | 75.6 mm | 8.9 mm | 227 g | Reference |
| Samsung Galaxy Fold (folded) | 160.9 mm | 62.8 mm | 17.1 mm | 276 g | 4.2 mm shorter, 12.8 mm narrower, 8.2 mm thicker |
Best value in each row is highlighted where “better” is clear-cut.
| Specification | Samsung Galaxy S21 Ultra | Samsung Galaxy Fold |
|---|---|---|
| Size, weight & build | ||
| Unfolded height | 165.1 mm1 | 160.9 mm2 |
| Unfolded width | 75.6 mm1 | 117.9 mm2 |
| Unfolded thickness | 8.9 mm1 | 7.6 mm2 |
| Weight | 227 g (best)1 | 276 g2 |
| Water & dust | IP681 | — |
| Colours | Phantom Black, Phantom Silver1Names from Samsung's launch release, in its order (Phantom Black first). Shades are approximations, not Samsung's own colour codes. | Cosmos Black, Space Silver2Names from Samsung's launch release, in its order (Cosmos Black first; Samsung.com-only colours left out). Shades are approximations, not Samsung's own colour codes. |
| Folding | ||
| Type | — | Book-style foldable2 |
| Folded height | — | 160.9 mm2 |
| Folded width | — | 62.8 mm2 |
| Folded thickness | — | 17.1 mm2 |
| Display | ||
| Main screen size | 6.8″1 | 7.3″2 |
| Main resolution | 1440 × 3200 (best)1 | 1536 × 21522 |
| Pixel density | 515 ppi (best)1 | 362 ppi2 |
| Refresh rate | 120 Hz1 | — |
| Panel | Dynamic AMOLED 2X1 | Dynamic AMOLED 2X2 |
| Cover screen size | — | 4.6″2 |
| Cover resolution | — | 720 × 16802 |
| Memory & storage | ||
| RAM | 12 GB / 16 GB (best)1 | 12 GB2 |
| Storage | 128 GB / 256 GB / 512 GB1 | 512 GB2 |
| Battery & charging | ||
| Capacity | 5,000 mAh (best)1 | 4,380 mAh2 |
| Cameras | ||
| Main | 108 MP (best)1 | 12 MP2 |
| Ultra-wide | 12 MP1 | 16 MP (best)2 |
| Telephoto | 10 MP1 | 12 MP (best)2 |
| Optical zoom | 10× (best)1 | 2×2 |
| Selfie | 40 MP (best)1 | 10 MP2 |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E1 | — |
| Release & price | ||
| Released | — | 6 Sept 20192Korea first, on 6 September 2019; other countries followed. |
| Release year | 20211Samsung's launch release gives no on-sale day. | — |