Head to head
Nothing Phone (4a)vsXiaomi REDMI Note 15 Pro+ 5G
The short answer
Choose the REDMI Note 15 Pro+ 5G for more base storage, battery capacity, battery life per charge and faster charging. Choose the Nothing Phone (4a) for peak brightness and battery lifespan. The Nothing Phone (4a) is £50 cheaper at UK RRP (£379 against £429). The Nothing Phone (4a) gets security updates for longer: until March 2032, against December 2031 for the REDMI Note 15 Pro+ 5G.
- Released
- 2026-03-05GSMArena — Nothing Phone (4a) specifications, retrieved 2026-08-21
- Price
- £379Nothing UK store — Phone (4a), retrieved 2026-08-21
- Security updates until
- 2032-03-05Nothing UK — Phone (4a), retrieved 2026-08-21
- Released
- 2025-12-25GSMArena — Xiaomi Redmi Note 15 Pro+ specifications, retrieved 2026-08-20
- Price
- £429Xiaomi UK store — REDMI Note 15 Pro+ 5G (list / original price, 8 GB + 256 GB), retrieved 2026-09-12
- Security updates until
- 2031-12-25Xiaomi UK — REDMI Note 15 Pro+ 5G, retrieved 2026-08-20
2 wins for Nothing Phone (4a)4 wins for REDMI Note 15 Pro+ 5G2 differences you won’t notice£50 apart at RRP
Verdict: REDMI Note 15 Pro+ 5G ahead on 4 rows, Nothing Phone (4a) on 2 rows
On the makers’ published figures, the Phone (4a) wins on peak brightness (4,500 nits against 3,200 nits) and battery lifespan (1,400 cycles against 1,000 cycles); the REDMI Note 15 Pro+ 5G wins on storage (base) (256 GB against 128 GB), battery capacity (6,500 mAh against 5,080 mAh), battery per charge (60.78 h against 51.45 h) and fast charging (100 W against 50 W). The differences in weight and display size are below the thresholds you would notice. Both state the same refresh rate and RAM. The other 33 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
Xiaomi UK — REDMI Note 15 Pro+ 5G specs claims Xiaomi HyperOS 2 · GSMArena — Xiaomi Redmi Note 15 Pro+ specifications reports Android 15, HyperOS 2
Xiaomi UK — REDMI Note 15 Pro+ 5G specs claims Octa-core, up to 2.7GHz · GSMArena — Xiaomi Redmi Note 15 Pro+ specifications reports Octa-core (1x2.7 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520)
Memory
Camera
Battery
Connectivity
Benchmarks
8 attributes neither phone has a sourced figure for
HDR peak brightness · OS versions supported · Google Mobile Services · Wireless charging · Geekbench 6 (CPU, multi-core) · 3DMark Wild Life Extreme · DXOMARK camera score · SAR (EU, head). Rows appear as sources are cited — a gap in our data, not a statement about either phone.
Questions
Is the Nothing Phone (4a) better than the REDMI Note 15 Pro+ 5G?
On the figures, neither is better overall: the Nothing Phone (4a) wins on peak brightness, 4,500 nits (Nothing UK) against 3,200 nits (Xiaomi UK) and battery lifespan, 1,400 cycles against 1,000 cycles (both EU energy label); the REDMI Note 15 Pro+ 5G wins on storage (base), 256 GB (Xiaomi UK) against 128 GB (Nothing UK), battery capacity, 6,500 mAh (Xiaomi UK) against 5,080 mAh (Nothing UK), battery per charge, 60.78 h against 51.45 h (both EU energy label) and fast charging, 100 W (Xiaomi UK) against 50 W (Nothing UK). Every other row is borderline, too close to notice, or not ranked.
Which has the better battery?
The REDMI Note 15 Pro+ 5G, by a gap you’d notice: battery per charge, 60.78 h against 51.45 h (both EU energy label). The REDMI Note 15 Pro+ 5G, by a gap you’d notice: battery capacity, 6,500 mAh (Xiaomi UK) against 5,080 mAh (Nothing UK).
Which is lighter?
The Nothing Phone (4a) is lighter on paper, but not by a gap you’d notice: weight, 205 g (Nothing UK) against 207.1 g (Xiaomi UK).
Which has the brighter screen?
The Nothing Phone (4a), by a gap you’d notice: peak brightness, 4,500 nits (Nothing UK) against 3,200 nits (Xiaomi UK).
Which gets updates for longer?
The Nothing Phone (4a) gets security updates for longer: until March 2032, against December 2031 for the REDMI Note 15 Pro+ 5G. Sources: dates from Nothing UK and Xiaomi UK.
Which is cheaper?
The Nothing Phone (4a) is £50 cheaper at UK RRP (£379 against £429). Prices from Nothing Phone (4a): Nothing UK store; REDMI Note 15 Pro+ 5G: Xiaomi UK store.
Other comparisons
The pairs a buyer of either phone would also weigh. Any two phones in the catalogue can be compared from the chooser.