PhoneLifespan

Redmi 15 5G vs Redmi Turbo 4 Pro

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 Redmi Turbo 4 Pro runs out in Apr 2029 ($8.92/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Redmi 15 5G 75 · Redmi Turbo 4 Pro 77 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 15 5G $180
Safe to buy$4.80/mo
2025◆ Buy-by Aug 20272029
Xiaomi Redmi Turbo 4 Pro $305
Buy with care$8.92/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
Redmi 15 5G 70Redmi Turbo 4 Pro 80

The Redmi Turbo 4 Pro's screen is the better one — 6.83-inch amoled, 1.5k, 120hz, 3200 nits peak.

Performance
Redmi 15 5G 46Redmi Turbo 4 Pro 86

The Redmi Turbo 4 Pro's Qualcomm Snapdragon 8s Gen 4 (4nm) is simply the faster chip.

Camera
Redmi 15 5G 55Redmi Turbo 4 Pro 67

The Redmi Turbo 4 Pro has the stronger camera system (2 real rear lenses vs 1).

Battery
Redmi 15 5G 100Redmi Turbo 4 Pro 100

Battery capacities are close enough not to decide this.

Software longevity
Redmi 15 5G 45Redmi Turbo 4 Pro 41

The Redmi 15 5G is supported until Aug 2029 — 3 months longer than the Redmi Turbo 4 Pro.

Value
Redmi 15 5G 75Redmi Turbo 4 Pro 77

Pound for pound, these two are equally good deals.

Full spec table
SpecRedmi 15 5GRedmi Turbo 4 Pro
Price (street)$180$305
Display6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak6.83-inch AMOLED, 1.5K, 120Hz, 3200 nits peak
ChipsetQualcomm Snapdragon 6s Gen 3Qualcomm Snapdragon 8s Gen 4 (4nm)
RAM4GB/6GB/8GB12GB/16GB
Storage128GB/256GB256GB/512GB/1TB
Battery7,000 mAh7,550 mAh
Charging33W wired, 18W reverse wired90W wired
Rear cameras50MP main, 2MP depth50MP main, 8MP ultra-wide
Dimensions169.5 × 80.5 × 8.4 mm163.1 × 77.9 × 8.0 mm
Weight217 g219 g
Water resistanceIP64IP68/IP69
Supported untilAug 2029Apr 2029

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