PhoneLifespan

C71 vs Spark 40 Pro+

vs

Winner

Realme C71

The C71 wins this one, taking battery decisively. Against the Spark 40 Pro+ it's also the sounder buy at $6.38 per month of safe use.

Value Score: C71 71 · Spark 40 Pro+ 63 — methodology

The lifespan decider

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

Realme C71 $150
Buy with care$6.38/mo
2025◆ Buy-by Jun 20262028
Tecno Spark 40 Pro+ $290
Buy with care$11.76/mo
2025◆ Buy-by Jul 20262028

Category by category

Display
C71 70Spark 40 Pro+ 80

The Spark 40 Pro+'s screen is the better one — 6.78-inch curved amoled, 1.5k, 144hz, up to 4500 nits peak, under-display fingerprint.

Performance
C71 55Spark 40 Pro+ 55

Performance is a wash — same chip tier.

Camera
C71 55Spark 40 Pro+ 55

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

Battery
C71 100Spark 40 Pro+ 84

6,300mAh vs 5,200mAh — the C71 lasts longer between charges.

Software longevity
C71 28Spark 40 Pro+ 29

Both phones' support windows end around the same time.

Value
C71 71Spark 40 Pro+ 63

Overall value goes to the C71 at $6.38 per month of safe use.

Full spec table
SpecC71Spark 40 Pro+
Price (street)$150$290
Display6.67-inch IPS LCD, HD+, 120Hz, 725 nits6.78-inch curved AMOLED, 1.5K, 144Hz, up to 4500 nits peak, under-display fingerprint
ChipsetUnisoc T7250 (12nm)MediaTek Helio G200
RAM4GB/6GB/8GB8GB
Storage64GB/128GB/256GB128GB/256GB
Battery6,300 mAh5,200 mAh
Charging45W wired (50% in 36 min), 6W reverse wired45W wired, 30W wireless, 5W reverse wireless
Rear cameras50MP main50MP main, 2MP depth
Dimensions165.8 × 75.9 × 7.8 mm163.9 × 75.8 × 6.5 mm
Weight196 g160 g
Water resistanceSplash/dust resistant, MIL-STD-810H, 1.5m drop resistanceIP64
Supported untilJun 2028Jul 2028
C71 full verdict →Spark 40 Pro+ 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.