PhoneLifespan

13 Ultra vs Redmi A4 5G

vs

Winner

Xiaomi Redmi A4 5G

Lifespan decides this one: the Redmi A4 5G is supported until Nov 2028 at $3.41 per month of safe use, while the 13 Ultra runs out in Apr 2028 ($29.50/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 Ultra 62 · Redmi A4 5G 70 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Xiaomi 13 Ultra $650
Buy with care$29.50/mo
2023◆ Buy-by Apr 20262028
Xiaomi Redmi A4 5G $100
Buy with care$3.41/mo
2024◆ Buy-by Nov 20262028

Category by category

Display
13 Ultra 90Redmi A4 5G 70

The 13 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance
13 Ultra 85Redmi A4 5G 55

The 13 Ultra's Qualcomm Snapdragon 8 Gen 2 is simply the faster chip.

Camera
13 Ultra 91Redmi A4 5G 55

The 13 Ultra has the stronger camera system (4 real rear lenses vs 1).

Battery
13 Ultra 80Redmi A4 5G 83

5,160mAh vs 5,000mAh — the Redmi A4 5G lasts longer between charges.

Software longevity
13 Ultra 26Redmi A4 5G 35

The Redmi A4 5G is supported until Nov 2028 — 7 months longer than the 13 Ultra.

Value
13 Ultra 62Redmi A4 5G 70

Overall value goes to the Redmi A4 5G at $3.41 per month of safe use.

Full spec table
Spec13 UltraRedmi A4 5G
Price (street)$650$100
Display6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz6.88-inch IPS LCD, HD+, 120Hz
ChipsetQualcomm Snapdragon 8 Gen 2Qualcomm Snapdragon 4s Gen 2 (4nm)
RAM12GB/16GB4GB
Storage256GB/512GB/1TB64GB/128GB
Battery5,000 mAh5,160 mAh
Charging90W wired, 50W wireless18W wired (33W charger in box)
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x50MP main
Dimensions163.2 × 74.6 × 9.1 mm171.88 × 77.8 × 8.22 mm
Weight227 g212 g
Water resistanceIP68IP52
Supported untilApr 2028Nov 2028

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