PhoneLifespan

Redmi K80 vs Redmi Turbo 4

vs

Winner

Xiaomi Redmi K80

Lifespan decides this one: the Redmi K80 is supported until Nov 2029 at $8.59 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 K80 79 · 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 K80 $355
Safe to buy$8.59/mo
2024◆ Buy-by Nov 20272029
Xiaomi Redmi Turbo 4 $215
Buy with care$7.04/mo
2025◆ Buy-by Jan 20272029

Category by category

Display
Redmi K80 80Redmi Turbo 4 80

Both displays are effectively the same class.

Performance
Redmi K80 92Redmi Turbo 4 78

The Redmi K80's Qualcomm Snapdragon 8 Gen 3 (4nm) is simply the faster chip.

Camera
Redmi K80 67Redmi Turbo 4 67

Camera systems are comparable on paper — pick by sample photos.

Battery
Redmi K80 100Redmi Turbo 4 100

Battery capacities are close enough not to decide this.

Software longevity
Redmi K80 49Redmi Turbo 4 36

The Redmi K80 is supported until Nov 2029 — 11 months longer than the Redmi Turbo 4.

Value
Redmi K80 79Redmi Turbo 4 76

Pound for pound, these two are equally good deals.

Full spec table
SpecRedmi K80Redmi Turbo 4
Price (street)$355$215
Display6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak6.67-inch LTPS OLED, 1.5K, 120Hz, 3200 nits peak
ChipsetQualcomm Snapdragon 8 Gen 3 (4nm)MediaTek Dimensity 8400-Ultra (4nm)
RAM12GB/16GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB
Battery6,550 mAh6,550 mAh
Charging90W wired, 30W wireless90W wired
Rear cameras50MP main, 8MP ultra-wide, 2MP macro50MP main, 8MP ultra-wide
Dimensions160.3 × 75.0 × 8.0 mm161 × 75.2 × 8.1 mm
Weight206 g204 g
Water resistanceIP68IP68
Supported untilNov 2029Jan 2029

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