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 A37 5G. Screen outlines are estimated for Samsung Galaxy A37 5G, as their exact screen size isn’t published.
165.1 × 75.6 × 8.9 mm
162.9 × 78.2 × 7.4 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 A37 5G | 162.9 mm | 78.2 mm | 7.4 mm | 196 g | 2.2 mm shorter, 2.6 mm wider, 1.5 mm thinner |
Best value in each row is highlighted where “better” is clear-cut.
| Specification | Samsung Galaxy S21 Ultra | Samsung Galaxy A37 5G |
|---|---|---|
| Size, weight & build | ||
| Height | 165.1 mm1 | 162.9 mm2 |
| Width | 75.6 mm1 | 78.2 mm2 |
| Thickness | 8.9 mm1 | 7.4 mm2 |
| Weight | 227 g1 | 196 g (best)2 |
| Water & dust | IP681 | IP682 |
| 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. | Awesome Lavender, Awesome Charcoal3Names from Samsung's launch release; launch colour first (Awesome Lavender: the colour Samsung's page or AR model opens in, else the first listed). Shades are approximations, not Samsung's own colour codes. |
| Display | ||
| Screen size | 6.8″1 | 6.7″2 |
| Resolution | 1440 × 32001 | — |
| Pixel density | 515 ppi1 | — |
| Refresh rate | 120 Hz1 | 120 Hz2 |
| Panel | Dynamic AMOLED 2X1 | Super AMOLED2 |
| Memory & storage | ||
| RAM | 12 GB / 16 GB (best)1 | 6 GB / 8 GB2 |
| Storage | 128 GB / 256 GB / 512 GB (best)1 | 128 GB / 256 GB2 |
| Battery & charging | ||
| Capacity | 5,000 mAh1 | 5,000 mAh2 |
| Cameras | ||
| Main | 108 MP (best)1 | 50 MP2 |
| Ultra-wide | 12 MP (best)1 | 8 MP2 |
| Telephoto | 10 MP1 | — |
| Optical zoom | 10×1 | — |
| Selfie | 40 MP (best)1 | 12 MP2 |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E1 | — |
| Release & price | ||
| Release year | 20211Samsung's launch release gives no on-sale day. | 20263Announced 26 March 2026; Samsung AU gives no on-sale day (UK availability from 10 April 2026). |
| Launch price (AU) | — | $5993 |