Head to head
Samsung Galaxy Z Fold7vsSamsung Galaxy S25 Ultra
The short answer
Choose the Galaxy Z Fold7 for the larger screen. Choose the Galaxy S25 Ultra for video playback time. The Galaxy S25 Ultra is £550 cheaper at UK RRP (£1,249 against £1,799). The Galaxy Z Fold7 gets security updates for longer: until July 2032, against January 2032 for the Galaxy S25 Ultra.
- Released
- 2025-07-25Samsung Newsroom UK — Galaxy Z Fold7, Flip7 and Watch8 launch, retrieved 2026-09-10
- Price
- £1,799Samsung Newsroom UK — Galaxy Z Fold7, retrieved 2026-09-10
- Security updates until
- 2032-07-31Samsung UK spec API — Galaxy Z Fold7, retrieved 2026-09-22
- Released
- 2025-02-03endoflife.date, retrieved 2026-08-20
- Price
- £1,249Samsung Newsroom UK — Galaxy S25 series, retrieved 2026-08-20
- Security updates until
- 2032-01-31Samsung UK spec API — Galaxy S25 Ultra, retrieved 2026-09-22
1 win for Galaxy Z Fold71 win for Galaxy S25 Ultra4 gaps borderline2 differences you won’t notice£550 apart at RRP
Verdict: Galaxy Z Fold7 ahead on 1 row, Galaxy S25 Ultra on 1 row
On the makers’ published figures, the Galaxy Z Fold7 wins on display size (8 in against 6.9 in); the Galaxy S25 Ultra wins on claimed video playback (31 h against 24 h). 4 gaps are borderline, differences most people would not notice: battery capacity (5,000 mAh against 4,400 mAh) for the Galaxy S25 Ultra, battery per charge (44.9 h against 40.47 h) for the Galaxy S25 Ultra, fast charging (45 W against 25 W) for the Galaxy S25 Ultra and 3DMark Wild Life Extreme (5,827 against 4,885, both from 3DMark) for the Galaxy S25 Ultra. The differences in weight and Geekbench 6 (CPU, multi-core) are below the thresholds you would notice. Both state the same refresh rate, peak brightness, storage (base), RAM and battery lifespan. The other 34 rows have no threshold or no direction to judge by, so nobody wins them.
True to scale
Outlines from each maker’s published dimensions, drawn to scale. Corner rounding is our drawing convention, not a measurement.
Specifications
A win is marked only where the figures can be ranked and the gap is one you could notice. A row the site has no threshold for says whether the two differ, and that it is not ranking them. = marks the same figure on both, ≠ not ranked a difference with no ranking. Every figure carries its source.
Body
Display
Platform
Memory
Camera
Battery
Connectivity
Benchmarks
4 attributes neither phone has a sourced figure for
Typical brightness · HDR peak brightness · OS versions supported · Google Mobile Services. Rows appear as sources are cited — a gap in our data, not a statement about either phone.
Questions
Is the Galaxy Z Fold7 better than the Galaxy S25 Ultra?
On the figures, neither is better overall: the Galaxy Z Fold7 wins on display size, 8 in (Samsung UK) against 6.9 in (Samsung Newsroom UK); the Galaxy S25 Ultra wins on claimed video playback, 31 h against 24 h (both Samsung UK). Every other row is borderline, too close to notice, or not ranked.
Which has the better battery?
The Galaxy S25 Ultra is ahead, narrowly: battery per charge, 44.9 h against 40.47 h (both EU energy label), a borderline gap most people would not notice. The Galaxy S25 Ultra, by a gap you’d notice: claimed video playback, 31 h against 24 h (both Samsung UK). The Galaxy S25 Ultra is ahead, narrowly: battery capacity, 5,000 mAh against 4,400 mAh (both Samsung Newsroom UK), a borderline gap most people would not notice.
Which is lighter?
The Galaxy Z Fold7 is lighter on paper, but not by a gap you’d notice: weight, 215 g (Samsung UK) against 218 g (Samsung Newsroom UK).
Which has the brighter screen?
Neither: both state 2,600 nits for peak brightness (Samsung Newsroom UK and GSMArena).
Which gets updates for longer?
The Galaxy Z Fold7 gets security updates for longer: until July 2032, against January 2032 for the Galaxy S25 Ultra. Sources: dates from Samsung UK spec API.
Which is cheaper?
The Galaxy S25 Ultra is £550 cheaper at UK RRP (£1,249 against £1,799). Prices from Galaxy Z Fold7: Samsung Newsroom UK; Galaxy S25 Ultra: Samsung Newsroom UK.
Other comparisons
The pairs a buyer of either phone would also weigh. Any two phones in the catalogue can be compared from the chooser.