Are Samsung Galaxy S9 Cases Compatible with S8?

Yes, a Samsung Galaxy S9 case can fit a Samsung Galaxy S8, but it may not provide a perfect fit or full functionality due to slight differences in camera placement and button locations. Different models within the Samsung Galaxy series come with unique design elements, and these can impact the performance and protective features your case offers.

Dimensional Similarities and Differences

Despite the visual similarities, there are several key differences between the Galaxy S8 and S9 that make them incompatible with the same cases. One of the most noticeable differences is in the camera placement:

The Samsung Galaxy S8 features a horizontally aligned camera array, whereas the S9 has a vertically aligned camera. This means that a case designed for the S8 will not match the exact positioning on the S9, which affects manipulation and functionality.

Case Fit and Functionality

The dimensions of the two phones are quite similar:

Samsung Galaxy S8: 148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in) Samsung Galaxy S9: 147.7 x 68.7 x 8.5 mm (5.81 x 2.70 x 0.33 in)

While the S8 is slightly narrower and taller, the differences in camera positions mean that a "soft" case might fit, but functionality may be compromised. The flash and heart-rate sensor on the S9 would be completely blocked, and access to the front-facing camera (FPS) would be hindered.

Other Functional Differences

Although the external dimensions are similar, several internal changes affect case compatibility:

Fingerprint Scanning: In the S8, the fingerprint scanner is located on the side of the camera. In contrast, the S9 has moved the scanner below the camera for better reach. This change means that the cut-out on the case designed for the S8 may not align correctly with the S9's scanner, leading to scanning issues. Camera Position: The camera position on the S8 is horizontal, while on the S9, it is vertical. This difference means that cases designed for the S8 will not fit or function as intended on the S9.

To ensure optimal protection and access to all ports and features, it's best to use a case specifically designed for the Galaxy S8. This will provide you with the best fit and functionality, ensuring your phone remains safe and accessible.

Conclusion

While Samsung Galaxy S8 and S9 cases might fit on each other due to similar dimensions, the differences in camera placement, fingerprint sensors, and other design elements mean that they will not function as intended. Always opt for a phone case specifically designed for your device to ensure the best performance and protection.