PhoneLifespan

A78 5G vs Poco C71 4G

vs

Winner

Xiaomi Poco C71 4G

Lifespan decides this one: the Poco C71 4G is supported until Apr 2029 at $2.23 per month of safe use, while the A78 5G is already past its support window. On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: A78 5G 40 · Poco C71 4G 69 — methodology

The lifespan decider

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

Oppo A78 5G $165
Avoid buyingsupport ended
2023◆ Buy-by Jan 20242026
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
A78 5G 50Poco C71 4G 70

The Poco C71 4G's screen is the better one — 6.88-inch ips lcd, hd+, 120hz.

Performance
A78 5G 36Poco C71 4G 55

The Poco C71 4G's Unisoc T7250 (12nm) is simply the faster chip.

Camera
A78 5G 55Poco C71 4G 40

The A78 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery
A78 5G 80Poco C71 4G 84

5,200mAh vs 5,000mAh — the Poco C71 4G lasts longer between charges.

Software longevity
A78 5G 0Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 39 months longer than the A78 5G.

Value
A78 5G 40Poco C71 4G 69

Overall value goes to the Poco C71 4G at $2.23 per month of safe use.

Full spec table
SpecA78 5GPoco C71 4G
Price (street)$165$75
Display6.56-inch IPS LCD, HD+, 90Hz, Panda Glass6.88-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 700 (7nm)Unisoc T7250 (12nm)
RAM4GB/8GB4GB/6GB
Storage128GB64GB/128GB
Battery5,000 mAh5,200 mAh
Charging33W SUPERVOOC wired15W wired
Rear cameras50MP main, 2MP depth32MP main
Dimensions163.8 × 75.1 × 8 mm171.79 × 77.8 × 8.26 mm
Weight188 g193 g
Water resistanceIP54IP52
Supported untilJan 2026Apr 2029
A78 5G full verdict →Poco C71 4G 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.