Google Pixel 9a / Samsung Galaxy S25 Ultra

Smooth Display switches between 60 and 120 Hz depending on content, so scrolling is smooth and static screens save power. 2,700 nits is the peak for a small area; the full-screen HDR figure is 1,800 nits.

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.

Gorilla Glass 3 is an older Corning glass generation; the Pixel 9 and 9 Pro use the newer Victus 2.

Titan M2 handles sensitive tasks such as passcodes, lock screen and boot verification on a chip separate from the main processor.

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.

There is no microSD slot; storage is chosen at purchase.

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

There is no telephoto camera; 8x zoom is done in software and optical quality is given only at 0.5x and 1x.

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

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.

No charger is included, only a USB-C cable (USB 2.0).

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.

IP68 describes dust-tightness and water resistance under defined conditions; liquid damage is usually not covered by warranty.

Water resistance is not permanent and may diminish over time.

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

This model has no mmWave 5G; Sub-6 bands can differ between regional model codes.

5G/LTE availability depends on market and carrier.

Colour availability varies by country and carrier.

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

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

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.