PhoneLifespan

Phone (3a) vs Redmi K80

vs

It depends

Too close to call outright

These two are within 4 points overall, so it depends on you: keep phones for years → Phone (3a) (supported until Mar 2031); want maximum speed → Redmi K80 (Qualcomm Snapdragon 8 Gen 3 (4nm)).

Value Score: Phone (3a) 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.

Nothing Phone (3a) $349
Safe to buy$6.18/mo
2025◆ Buy-by Mar 20292031
Xiaomi Redmi K80 $355
Safe to buy$8.59/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
Phone (3a) 80Redmi K80 80

Both displays are effectively the same class.

Performance
Phone (3a) 64Redmi K80 92

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

Camera
Phone (3a) 79Redmi K80 67

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

Battery
Phone (3a) 80Redmi K80 100

6,550mAh vs 5,000mAh — the Redmi K80 lasts longer between charges.

Software longevity
Phone (3a) 67Redmi K80 49

The Phone (3a) is supported until Mar 2031 — 15 months longer than the Redmi K80.

Value
Phone (3a) 75Redmi K80 79

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

Full spec table
SpecPhone (3a)Redmi K80
Price (street)$349$355
Display6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
ChipsetSnapdragon 7s Gen 3Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM8GB/12GB12GB/16GB
Storage128GB/256GB256GB/512GB/1TB
Battery5,000 mAh6,550 mAh
Charging50W wired, no wireless90W wired, 30W wireless
Rear cameras50MP main, 50MP telephoto 2x, 8MP ultra-wide50MP main, 8MP ultra-wide, 2MP macro
Dimensions163.52 × 77.50 × 8.35 mm160.3 × 75.0 × 8.0 mm
Weight201 g206 g
Water resistanceIP64IP68
Supported untilMar 2031Nov 2029

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