Galaxy Z Fold 8 Ultra Crease Finally Improved

On the surface, the new Galaxy Z Fold 8 Ultra doesn’t look like a massive upgrade compared to the previous model. However, a closer inspection reveals several refinements that make this year’s iteration a substantial step forward. During a hands-on session before the official Unpacked event, the device showed off improvements that go beyond surface-level aesthetics.

Refining the Foldable Display

Samsung introduced the Flex Titanium display last week, and the first impression is that the panel is sharper, but the primary change is the visual line running down the center. While the crease is not invisible, it is significantly narrower and less distracting than previous models. Observers noted that the curve is tighter than what OPPO achieved with the Find N6, making it a visual improvement over competing foldables. This reduction in gap size is the most immediate change users will notice when opening and closing the device.

An anti-reflective coating has been applied to the Galaxy Z Fold 8 Ultra. This layer diffuses light passing through the screen, which further reduces the visibility of the crease and makes the panel easier to read in brightly lit environments. When comparing the screen to the Galaxy Z Fold 7, the reduction in glare is immediately noticeable. The coating effectively hides some of the texturing that previously made the center line stand out against the rest of the display.

Internal Hardware Updates

Under the hood, Samsung is testing silicon carbon battery technology, a shift from the standard lithium-ion cells used in previous years. Although the silicon content remains very low, keeping the battery classified as lithium-ion, this is a notable step toward new chemistries. The unit on hand features a 5,000mAh capacity. This is the same size as previous generations, but the source notes it should provide enough power to last through a full day of usage.

Charging capabilities have also been updated, with wired speeds reaching 45 watts and wireless charging hitting 20 watts. However, the unit demonstrated lacked magnetic charging capabilities, though official Samsung cases will eventually include the necessary magnets. This continues a trend of speed upgrades without fully committing to the magnetic ecosystem established by competitors.

This move mirrors Samsung’s earlier strategy with the Galaxy S26 series, where the company began integrating similar silicon carbon cells. By keeping the concentration low, Samsung appears to be playing it safe with durability and heat management while preparing the infrastructure for higher capacities in future releases. The goal is to transition to higher energy density without sacrificing the longevity consumers expect.