PhoneLifespan

T4 5G 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 T4 5G runs out in Apr 2028 ($11.62/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: T4 5G 72 · 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.

Vivo T4 5G $260
Buy with care$11.62/mo
2025◆ Buy-by Apr 20262028
Xiaomi Redmi A4 5G $100
Buy with care$3.41/mo
2024◆ Buy-by Nov 20262028

Category by category

Display
T4 5G 80Redmi A4 5G 70

The T4 5G's screen is the better one — 6.77-inch amoled, fhd+, 120hz, 5000 nits peak.

Performance
T4 5G 64Redmi A4 5G 55

The T4 5G's Qualcomm Snapdragon 7s Gen 3 is simply the faster chip.

Camera
T4 5G 55Redmi A4 5G 55

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

Battery
T4 5G 100Redmi A4 5G 83

7,300mAh vs 5,160mAh — the T4 5G lasts longer between charges.

Software longevity
T4 5G 27Redmi A4 5G 35

The Redmi A4 5G is supported until Nov 2028 — 7 months longer than the T4 5G.

Value
T4 5G 72Redmi A4 5G 70

Pound for pound, these two are equally good deals.

Full spec table
SpecT4 5GRedmi A4 5G
Price (street)$260$100
Display6.77-inch AMOLED, FHD+, 120Hz, 5000 nits peak6.88-inch IPS LCD, HD+, 120Hz
ChipsetQualcomm Snapdragon 7s Gen 3Qualcomm Snapdragon 4s Gen 2 (4nm)
RAM8GB/12GB4GB
Storage128GB/256GB64GB/128GB
Battery7,300 mAh5,160 mAh
Charging90W wired18W wired (33W charger in box)
Rear cameras50MP main, 2MP depth50MP main
Dimensions163.4 × 76.4 × 7.9 mm171.88 × 77.8 × 8.22 mm
Weight199 g212 g
Water resistanceIP65IP52
Supported untilApr 2028Nov 2028
T4 5G full verdict →Redmi A4 5G full verdict →Longevity master board →

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