PhoneLifespan

Galaxy S23 vs Redmi Note 15 Pro 5G

vs

Winner

Xiaomi Redmi Note 15 Pro 5G

Lifespan decides this one: the Redmi Note 15 Pro 5G is supported until Jan 2030 at $7.45 per month of safe use, while the Galaxy S23 runs out in Feb 2028 ($8.74/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S23 67 · Redmi Note 15 Pro 5G 73 — 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 $175
Buy with care$8.74/mo
2023◆ Buy-by Feb 20262028
Xiaomi Redmi Note 15 Pro 5G $320
Safe to buy$7.45/mo
2026◆ Buy-by Jan 20282030

Category by category

Display
Galaxy S23 70Redmi Note 15 Pro 5G 70

Both displays are effectively the same class.

Performance
Galaxy S23 85Redmi Note 15 Pro 5G 62

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

Camera
Galaxy S23 79Redmi Note 15 Pro 5G 72

The Galaxy S23 has the stronger camera system (3 real rear lenses vs 2).

Battery
Galaxy S23 58Redmi Note 15 Pro 5G 100

6,580mAh vs 3,900mAh — the Redmi Note 15 Pro 5G lasts longer between charges.

Software longevity
Galaxy S23 24Redmi Note 15 Pro 5G 51

The Redmi Note 15 Pro 5G is supported until Jan 2030 — 23 months longer than the Galaxy S23.

Value
Galaxy S23 67Redmi Note 15 Pro 5G 73

Overall value goes to the Redmi Note 15 Pro 5G at $7.45 per month of safe use.

Full spec table
SpecGalaxy S23Redmi Note 15 Pro 5G
Price (street)$175$320
Display6.1-inch Dynamic AMOLED 2X, FHD+, 120Hz6.83-inch AMOLED, 1.5K, 120Hz, 12-bit, Dolby Vision/HDR10+
ChipsetSnapdragon 8 Gen 2 for GalaxyMediaTek Dimensity 7400-Ultra (4nm)
RAM8GB8GB/12GB
Storage128GB/256GB256GB/512GB
Battery3,900 mAh6,580 mAh
Charging25W wired, 15W wireless, 4.5W reverse wireless45W wired, 22.5W reverse wired
Rear cameras50MP main, 12MP ultra-wide, 10MP telephoto 3x200MP main, 8MP ultra-wide
Dimensions146.3 × 70.9 × 7.6 mm163.6 × 78.1 × 8.0 mm
Weight168 g210 g
Water resistanceIP68IP68/IP69
Supported untilFeb 2028Jan 2030
Galaxy S23 full verdict →Redmi Note 15 Pro 5G full verdict →Longevity master board →

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