C71 vs Spark 40 5G
It depends
Too close to call outright
These two are within 1 point overall, so it depends on you: keep phones for years → Spark 40 5G (supported until Aug 2028); want maximum speed → C71 (Unisoc T7250 (12nm)).
Value Score: C71 71 · Spark 40 5G 72 — methodology
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
Both displays are effectively the same class.
Performance is a wash — same chip tier.
Camera systems are comparable on paper — pick by sample photos.
Battery capacities are close enough not to decide this.
The Spark 40 5G is supported until Aug 2028 — 3 months longer than the C71.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | C71 | Spark 40 5G |
|---|---|---|
| Price (street) | $150 | $115 |
| Display | 6.67-inch IPS LCD, HD+, 120Hz, 725 nits | 6.75-inch IPS LCD, HD+, 120Hz |
| Chipset | Unisoc T7250 (12nm) | MediaTek Dimensity 6400 |
| RAM | 4GB/6GB/8GB | 4GB/8GB |
| Storage | 64GB/128GB/256GB | 128GB/256GB |
| Battery | 6,300 mAh | 6,000 mAh |
| Charging | 45W wired (50% in 36 min), 6W reverse wired | 18W wired |
| Rear cameras | 50MP main | 50MP main |
| Dimensions | 165.8 × 75.9 × 7.8 mm | 167.7 × 77.9 × 8 mm |
| Weight | 196 g | 194 g |
| Water resistance | Splash/dust resistant, MIL-STD-810H, 1.5m drop resistance | Not rated |
| Supported until | Jun 2028 | Aug 2028 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.