What devices are compatible with Samsung Galaxy S21 Ultra?

Samsung Galaxy S21 Ultra is compatible with devices that have similar dimensions and display sizes. Use our compatibility checker to find phones and tablets that can share the same screen protector and case.

Can I use the same screen protector for Samsung Galaxy S21 Ultra and other devices?

Yes, if devices have the same display size and similar dimensions, they can often share screen protectors. Our compatibility checker identifies devices with perfect or compatible matches for screen protector sharing.

What makes a phone case compatible with Samsung Galaxy S21 Ultra?

A compatible case must match the length, width, and thickness dimensions of Samsung Galaxy S21 Ultra. Our system checks millimeter-level precision to determine perfect matches and compatible alternatives.

What is the RAM of Samsung Galaxy S21 Ultra?

The Samsung Galaxy S21 Ultra has 12 GB / 16 GB of RAM. It is powered by the Samsung Exynos 2100 chipset.

What is the screen size of Samsung Galaxy S21 Ultra?

The Samsung Galaxy S21 Ultra features a 6.8" display. The resolution is 1440x3200 px (QHD+). It uses a Dynamic AMOLED 2x display.

What is the battery capacity of Samsung Galaxy S21 Ultra?

The Samsung Galaxy S21 Ultra has a 5000mAh battery. It supports 25W Fast Charging. Wireless charging is Yes.

What storage options are available for Samsung Galaxy S21 Ultra?

The Samsung Galaxy S21 Ultra is available with 256 GB / 512 GB of internal storage. The device does not support expandable storage.

What processor does Samsung Galaxy S21 Ultra use?

The Samsung Galaxy S21 Ultra is powered by the Samsung Exynos 2100 chipset. It comes with 12 GB / 16 GB of RAM.

What operating system does Samsung Galaxy S21 Ultra run?

The Samsung Galaxy S21 Ultra runs on Android v11. It features Samsung One UI custom user interface.

Samsung Galaxy S21 Ultra Compatible Cases & Screen Protectors

4 other devices use the same screen protector as the Samsung Galaxy S21 Ultra. None of them share its case. The closest match is the iQOO 11 5G; others include iQOO 11 5G 16GB RAM and Vivo X70 Pro Plus. 91 devices from other brands have a similar-size screen, so check the cut-outs before using a protector made for one of them.

The Samsung Galaxy S21 Ultra measures 165.1 × 75.6 × 8.9 mm and weighs 227 g, with a 6.8" Dynamic AMOLED 2x display in a 20:9 aspect ratio.

Screen protectors that fit the Samsung Galaxy S21 Ultra

These devices have the same screen aspect ratio and a screen size within 0.03" of the Samsung Galaxy S21 Ultra(from another brand, only when the resolution matches too). "Exact" means the size and resolution are identical.

iQOO 11 5G(compatible screen, 0.02" size difference)
iQOO 11 5G 16GB RAM(compatible screen, 0.02" size difference)
Vivo X70 Pro Plus(compatible screen, 0.02" size difference)
Vivo X80 Pro 5G(compatible screen, 0.02" size difference)

Similar-size screens from other brands

Same aspect ratio and size, but a different brand and resolution, so the glass shape (corners, cut-outs) may differ. Treat these as a starting point, not a match.

Acer Super ZX(similar size only)
Acer Super ZX 6GB RAM(similar size only)
Acer Super ZX 8GB RAM(similar size only)
Asus ROG Phone 8 Pro(similar size only, 0.02" size difference)
Google Mobile Pixel 10 Pro XL(similar size only)
Google Mobile Pixel 9 Pro XL(similar size only)
Infinix GT 20 Pro 5G(similar size only, 0.02" size difference)
Infinix GT 20 Pro 5G 12GB RAM(similar size only, 0.02" size difference)
Infinix GT 30 Pro(similar size only, 0.02" size difference)
Infinix GT 30 Pro 12GB RAM(similar size only, 0.02" size difference)
Infinix Hot 60 Pro(similar size only, 0.02" size difference)
Infinix Hot 60 Pro Plus(similar size only, 0.02" size difference)
Infinix Note 30 5G(similar size only, 0.02" size difference)
Infinix Zero 30(similar size only, 0.02" size difference)
Infinix Zero 30 12GB RAM(similar size only, 0.02" size difference)
Infinix Zero Ultra(similar size only)
iQOO 12 5G(similar size only, 0.02" size difference)
iQOO 13 5G(similar size only, 0.02" size difference)
iQOO Neo 10(similar size only, 0.02" size difference)
iQOO Neo 10 12GB RAM(similar size only, 0.02" size difference)
iQOO Neo 10R(similar size only, 0.02" size difference)
iQOO Neo 10R 12GB RAM(similar size only, 0.02" size difference)
iQOO Neo 7(similar size only, 0.02" size difference)
iQOO Neo 7 Pro(similar size only, 0.02" size difference)

and 67 more devices.

Cases that fit the Samsung Galaxy S21 Ultra

No other device matches the Samsung Galaxy S21 Ultra's body size and camera layout closely enough to share a case.

Will other cases fit the Samsung Galaxy S21 Ultra?

Will a Samsung Galaxy A13 4G case fit the Samsung Galaxy S21 Ultra?

No. The Samsung Galaxy S21 Ultra is 0.8 mm narrower than the Samsung Galaxy A13 4G, more than a case can absorb (0.8 mm in length and width, 0.5 mm in thickness). Screen protectors don't carry over either: 6.8" 20:9 versus 6.6" 20:9. See the Samsung Galaxy A13 4G

Will a Samsung Galaxy A13 4G 6GB RAM case fit the Samsung Galaxy S21 Ultra?

No. The Samsung Galaxy S21 Ultra is 0.8 mm narrower than the Samsung Galaxy A13 4G 6GB RAM, more than a case can absorb (0.8 mm in length and width, 0.5 mm in thickness). Screen protectors don't carry over either: 6.8" 20:9 versus 6.6" 20:9. See the Samsung Galaxy A13 4G 6GB RAM

Will a Moto G30 case fit the Samsung Galaxy S21 Ultra?

Probably not. Their bodies are within 0.2 mm, but we don't have the camera layout for both devices, so check the camera cut-out before buying. Screen protectors don't carry over either: 6.8" 20:9 versus 6.5" 20:9. See the Moto G30

Will a Moto G9 case fit the Samsung Galaxy S21 Ultra?

Complete Specifications

Display

Screen Size: 6.8"
Resolution: 1440x3200 px (QHD+)
Display Type: Dynamic AMOLED 2x
Refresh Rate: 120Hz

Dimensions & Weight

Length: 165.1mm
Width: 75.6mm
Thickness: 8.9mm
Weight: 227g

Performance

Chipset: Samsung Exynos 2100
RAM: 12 GB / 16 GB
CPU: Octa core (2.9 GHz, Single core, Cortex X1 + 2.8 GHz, Tri core, Cortex A78 + 2.2 GHz, Quad core, Cortex A55)

Storage

Internal Storage: 256 GB / 512 GB
Expandable Storage: No

Battery

Battery Capacity: 5000mAh
Charging: 25W Fast Charging
Wireless Charging: Yes

Software

Operating System: Android v11
Custom UI: Samsung One UI

Connectivity & Build

NFC: Yes
Water Resistance: Water resistant, IP68, (up to 30 minutes in a depth of 1.5 meter)
Bluetooth: v5.2
Wi-Fi: Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz, MIMO

Matches are calculated from published dimensions, display specs and camera layout. See how we match devices.