vivo X500 / Samsung Galaxy Z Fold7

Model code listed for China; the manufacturer document gives no other regional code.

This record covers the 12 GB model. Usable memory is lower than the label because the system reserves a share.

Usable space is lower than the label because of the system and preinstalled apps.

vivo says 144 Hz applies in gaming scenarios.

Peak values, not sustained brightness.

The manufacturer does not name the front glass.

The 200 mm-equivalent teleconverter is sold separately and is not in the box.

90 W is the charger's maximum output; actual power varies with conditions. The wireless charger is sold separately.

The document gives no power figure.

The hardware supports 6.0; some functions will arrive in a later OTA update.

The headset connection takes digital USB-C headsets only.

NFC-SIM payments work only from the SIM 1 slot.

5G dual-SIM works only with some band combinations and with operator SA/VoNR support.

Actual availability depends on the carrier network and software version.

The 15% larger VC area versus the previous generation is vivo's own claim.

vivo states this is not a professional waterproof phone and that immersion damage is not covered by warranty.

Names in brackets are translations; the vivo China page names the colours in Chinese.

The document gives no update commitment.

The adaptive refresh rate rises to 120 Hz when scrolling and drops as low as 1 Hz on static content to save battery. The foldable inner screen has a plastic protective layer and is not as hard as glass.

The 21:9 ratio gives a width close to an ordinary phone for typing while folded.

The peak is reached briefly in strong light; it is not a sustained full-screen value.

Samsung says Advanced Armor Aluminum gives a 10% gain in strength and hardness over the previous frame.

The 4 in IP48 refers to protection against solid objects larger than 1 mm; it is not a rating against fine dust. Samsung’s water test was done in fresh water.

16 GB of memory comes only with the 1 TB version; there is no memory card slot.

3× optical zoom uses the telephoto lens; 30× Space Zoom adds AI-assisted 10× digital zoom on top of the 3× optical.

The dual battery consists of cells split across both halves. Wireless PowerShare provides wireless power from the back of the phone to accessories such as earbuds or a watch.

The SIM layout varies by market and carrier.

Knox Vault keeps sensitive data such as passwords and biometrics in a separate secure processor and memory.