PhoneLifespan

12 vs Redmi K80

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 12 runs out in Jan 2029 ($16.02/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12 72 · 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.

OnePlus 12 $500
Buy with care$16.02/mo
2024◆ Buy-by Jan 20272029
Xiaomi Redmi K80 $355
Safe to buy$8.59/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
12 100Redmi K80 80

The 12's screen is the better one — 6.82-inch ltpo amoled proxdr, qhd+ (3168×1440), 1–120hz, up to 4500 nits peak.

Performance
12 92Redmi K80 92

Performance is a wash — same chip tier.

Camera
12 79Redmi K80 67

The 12 has the stronger camera system (3 real rear lenses vs 2).

Battery
12 88Redmi K80 100

6,550mAh vs 5,400mAh — the Redmi K80 lasts longer between charges.

Software longevity
12 37Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 10 months longer than the 12.

Value
12 72Redmi K80 79

Overall value goes to the Redmi K80 at $8.59 per month of safe use.

Full spec table
Spec12Redmi K80
Price (street)$500$355
Display6.82-inch LTPO AMOLED ProXDR, QHD+ (3168×1440), 1–120Hz, up to 4500 nits peak6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
ChipsetSnapdragon 8 Gen 3Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM12GB/16GB12GB/16GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,400 mAh6,550 mAh
Charging80W SUPERVOOC wired (50W in North America), 50W wireless90W wired, 30W wireless
Rear cameras50MP main, 48MP ultra-wide, 64MP periscope 3x50MP main, 8MP ultra-wide, 2MP macro
Dimensions164.3 × 75.8 × 9.2 mm160.3 × 75.0 × 8.0 mm
Weight220 g206 g
Water resistanceIP65IP68
Supported untilJan 2029Nov 2029

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