Redmi 15 5G vs Redmi K80
It depends
Too close to call outright
These two are within 4 points overall — it genuinely depends on price on the day. The Redmi K80 edges both longevity and performance, so prefer it when prices are close.
Value Score: Redmi 15 5G 75 · Redmi K80 79 — methodology
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
The Redmi K80's screen is the better one — 6.67-inch amoled, 2k, 120hz, 3200 nits peak.
The Redmi K80's Qualcomm Snapdragon 8 Gen 3 (4nm) is simply the faster chip.
The Redmi K80 has the stronger camera system (2 real rear lenses vs 1).
Battery capacities are close enough not to decide this.
The Redmi K80 is supported until Nov 2029 — 4 months longer than the Redmi 15 5G.
Overall value goes to the Redmi K80 at $8.59 per month of safe use.
Full spec table
| Spec | Redmi 15 5G | Redmi K80 |
|---|---|---|
| Price (street) | $180 | $355 |
| Display | 6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak | 6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak |
| Chipset | Qualcomm Snapdragon 6s Gen 3 | Qualcomm Snapdragon 8 Gen 3 (4nm) |
| RAM | 4GB/6GB/8GB | 12GB/16GB |
| Storage | 128GB/256GB | 256GB/512GB/1TB |
| Battery | 7,000 mAh | 6,550 mAh |
| Charging | 33W wired, 18W reverse wired | 90W wired, 30W wireless |
| Rear cameras | 50MP main, 2MP depth | 50MP main, 8MP ultra-wide, 2MP macro |
| Dimensions | 169.5 × 80.5 × 8.4 mm | 160.3 × 75.0 × 8.0 mm |
| Weight | 217 g | 206 g |
| Water resistance | IP64 | IP68 |
| Supported until | Aug 2029 | Nov 2029 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.