PhoneLifespan

Spark 40 5G vs Redmi A5

vs

Winner

Tecno Spark 40 5G

The Spark 40 5G wins this one, taking battery and camera decisively. Against the Redmi A5 it's also the sounder buy at $4.40 per month of safe use.

Value Score: Spark 40 5G 72 · Redmi A5 65 methodology

The lifespan decider

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

Tecno Spark 40 5G $115
Buy with care$4.40/mo
2025◆ Buy-by Aug 20262028
Xiaomi Redmi A5 $75
Buy with care$3.55/mo
2025◆ Buy-by Mar 20262028

Category by category

Display
Spark 40 5G 70Redmi A5 70

Both displays are effectively the same class.

Performance
Spark 40 5G 55Redmi A5 55

Performance is a wash — same chip tier.

Camera
Spark 40 5G 55Redmi A5 40

The Spark 40 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery
Spark 40 5G 100Redmi A5 84

6,000mAh vs 5,200mAh — the Spark 40 5G lasts longer between charges.

Software longevity
Spark 40 5G 31Redmi A5 25

The Spark 40 5G is supported until Aug 2028 — 5 months longer than the Redmi A5.

Value
Spark 40 5G 72Redmi A5 65

Overall value goes to the Spark 40 5G at $4.40 per month of safe use.

Full spec table
SpecSpark 40 5GRedmi A5
Price (street)$115$75
Display6.75-inch IPS LCD, HD+, 120Hz6.88-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 6400Unisoc T7250
RAM4GB/8GB3GB/4GB/6GB
Storage128GB/256GB64GB/128GB
Battery6,000 mAh5,200 mAh
Charging18W wired15W wired
Rear cameras50MP main32MP main
Dimensions167.7 × 77.9 × 8 mm171.4 × 77.8 × 8.3 mm
Weight194 g193 g
Water resistanceNot ratedIP52
Supported untilAug 2028Mar 2028

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