PhoneLifespan

Redmi Note 15 Pro 5G vs Redmi Turbo 4

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 Redmi Turbo 4 runs out in Jan 2029 ($7.04/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Redmi Note 15 Pro 5G 73 · Redmi Turbo 4 76 — methodology

The lifespan decider

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

Xiaomi Redmi Note 15 Pro 5G $320
Safe to buy$7.45/mo
2026◆ Buy-by Jan 20282030
Xiaomi Redmi Turbo 4 $215
Buy with care$7.04/mo
2025◆ Buy-by Jan 20272029

Category by category

Display
Redmi Note 15 Pro 5G 70Redmi Turbo 4 80

The Redmi Turbo 4's screen is the better one — 6.67-inch ltps oled, 1.5k, 120hz, 3200 nits peak.

Performance
Redmi Note 15 Pro 5G 62Redmi Turbo 4 78

The Redmi Turbo 4's MediaTek Dimensity 8400-Ultra (4nm) is simply the faster chip.

Camera
Redmi Note 15 Pro 5G 72Redmi Turbo 4 67

The Redmi Note 15 Pro 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery
Redmi Note 15 Pro 5G 100Redmi Turbo 4 100

Battery capacities are close enough not to decide this.

Software longevity
Redmi Note 15 Pro 5G 51Redmi Turbo 4 36

The Redmi Note 15 Pro 5G is supported until Jan 2030 — 12 months longer than the Redmi Turbo 4.

Value
Redmi Note 15 Pro 5G 73Redmi Turbo 4 76

Pound for pound, these two are equally good deals.

Full spec table
SpecRedmi Note 15 Pro 5GRedmi Turbo 4
Price (street)$320$215
Display6.83-inch AMOLED, 1.5K, 120Hz, 12-bit, Dolby Vision/HDR10+6.67-inch LTPS OLED, 1.5K, 120Hz, 3200 nits peak
ChipsetMediaTek Dimensity 7400-Ultra (4nm)MediaTek Dimensity 8400-Ultra (4nm)
RAM8GB/12GB12GB/16GB
Storage256GB/512GB256GB/512GB
Battery6,580 mAh6,550 mAh
Charging45W wired, 22.5W reverse wired90W wired
Rear cameras200MP main, 8MP ultra-wide50MP main, 8MP ultra-wide
Dimensions163.6 × 78.1 × 8.0 mm161 × 75.2 × 8.1 mm
Weight210 g204 g
Water resistanceIP68/IP69IP68
Supported untilJan 2030Jan 2029
Redmi Note 15 Pro 5G full verdict →Redmi Turbo 4 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.