Samsung Galaxy S25 Ultra / Samsung Galaxy S23

The Samsung Newsroom release is dated 23 January Korea time; the event was 22 January in US time.

Samsung notes memory options may vary by market and usable storage is lower because of preloaded software. There is no card slot.

Usable space is lower because of preloaded software.

Samsung quotes 40% NPU, 37% CPU and 30% GPU gains over the previous generation. This version is tuned for Galaxy with higher clocks than the standard Snapdragon 8 Elite.

Samsung introduced this version as a Snapdragon optimised for Galaxy and exclusive to the S23 series at launch.

The vapor chamber spreads heat from the chip into the body, helping clocks hold longer in extended gaming.

The viewable area is smaller than the diagonal because of rounded corners and the camera hole. Refresh that drops to 1 Hz saves power on static content; Vision Booster adjusts tone mapping in bright light.

The refresh rate varies between 48 and 120 Hz depending on content. Vision Booster adjusts the picture to stay readable in bright light. The size is measured as a full rectangle; the visible area is smaller.

Used on the front only. Corning says it survived drops of up to 2.2 m onto a concrete-like surface in internal lab tests; this is not a durability guarantee for any given phone.

Titanium is used only on the frame, excluding the volume and side keys.

Per Samsung, 3× and 5× are optical; 2× and 10× are “optical quality” zoom made by sensor cropping. OIS is optical image stabilisation.

The telephoto gives 3x optical zoom; zoom beyond that is digital.

Log records a flat profile for colour grading; results depend on the editing workflow. Audio Eraser can reduce layers such as voices, music, wind and crowd separately in videos.

The 45 W adapter is sold separately. Samsung quotes up to 31 hours of video playback. Wireless PowerShare charges earbuds or a watch from the back of the phone.

According to Android Central’s one-year report, the phone received One UI 8 (Android 16) ahead of schedule.

5G/LTE availability depends on market and carrier.

Wi‑Fi 6E needs a router with 6 GHz support; availability varies by market and provider.

Water resistance is not permanent and may diminish over time.

Colour availability varies by country and carrier.

According to Samsung, the S23 series is the first S series to use Victus 2 glass.

The typical value is the average from third-party lab tests; the rated value is the minimum capacity across battery samples.

The adapter is sold separately. Wired charging is compatible with QC2.0 and AFC. PowerShare needs the battery above 30% to charge another device.

Samsung promised four Android OS upgrades and five years of security updates for the S23 series; timing varies by model and market.

Samsung does not advise beach or pool use.