PhoneLifespan

Galaxy S23+ vs Redmi 15 5G

vs

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.80 per month of safe use, while the Galaxy S23+ runs out in Feb 2028 ($10.29/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S23+ 69 · Redmi 15 5G 75 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Samsung Galaxy S23+ $206
Buy with care$10.29/mo
2023◆ Buy-by Feb 20262028
Xiaomi Redmi 15 5G $180
Safe to buy$4.80/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
Galaxy S23+ 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance
Galaxy S23+ 85Redmi 15 5G 46

The Galaxy S23+'s Snapdragon 8 Gen 2 for Galaxy is simply the faster chip.

Camera
Galaxy S23+ 79Redmi 15 5G 55

The Galaxy S23+ has the stronger camera system (3 real rear lenses vs 1).

Battery
Galaxy S23+ 74Redmi 15 5G 100

7,000mAh vs 4,700mAh — the Redmi 15 5G lasts longer between charges.

Software longevity
Galaxy S23+ 24Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 17 months longer than the Galaxy S23+.

Value
Galaxy S23+ 69Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.80 per month of safe use.

Full spec table
SpecGalaxy S23+Redmi 15 5G
Price (street)$206$180
Display6.6-inch Dynamic AMOLED 2X, FHD+, 120Hz6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetSnapdragon 8 Gen 2 for GalaxyQualcomm Snapdragon 6s Gen 3
RAM8GB4GB/6GB/8GB
Storage256GB/512GB128GB/256GB
Battery4,700 mAh7,000 mAh
Charging45W wired, 15W wireless, 4.5W reverse wireless33W wired, 18W reverse wired
Rear cameras50MP main, 12MP ultra-wide, 10MP telephoto 3x50MP main, 2MP depth
Dimensions157.8 × 76.2 × 7.6 mm169.5 × 80.5 × 8.4 mm
Weight196 g217 g
Water resistanceIP68IP64
Supported untilFeb 2028Aug 2029

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.