P3 Ultra 5G vs Poco C71 4G

Phone 1

Phone 2

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 P3 Ultra 5G runs out in Mar 2029 ($9.49/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: P3 Ultra 5G 74 · 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.

Realme P3 Ultra 5G $315

Buy with care$9.49/mo

2025◆ Buy-by Mar 20272029

Xiaomi Poco C71 4G $75

Buy with care$2.23/mo

2025◆ Buy-by Apr 20272029

Category by category

Display

P3 Ultra 5G 70Poco C71 4G 70

Both displays are effectively the same class.

Performance

P3 Ultra 5G 74Poco C71 4G 55

The P3 Ultra 5G's MediaTek Dimensity 8350 Ultra (4nm) is simply the faster chip.

Camera

P3 Ultra 5G 67Poco C71 4G 40

The P3 Ultra 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

P3 Ultra 5G 100Poco C71 4G 84

6,000mAh vs 5,200mAh — the P3 Ultra 5G lasts longer between charges.

Software longevity

P3 Ultra 5G 40Poco C71 4G 40

Both phones' support windows end around the same time.

Value

P3 Ultra 5G 74Poco C71 4G 69

Overall value goes to the P3 Ultra 5G at $9.49 per month of safe use.

Full spec table

Spec	P3 Ultra 5G	Poco C71 4G
Price (street)	$315	$75
Display	6.83-inch AMOLED, 1.5K, 120Hz, up to 1500 nits peak, Gorilla Glass 7i	6.88-inch IPS LCD, HD+, 120Hz
Chipset	MediaTek Dimensity 8350 Ultra (4nm)	Unisoc T7250 (12nm)
RAM	8GB/12GB	4GB/6GB
Storage	128GB/256GB/512GB	64GB/128GB
Battery	6,000 mAh	5,200 mAh
Charging	80W wired (100% in 47 min), 5W reverse	15W wired
Rear cameras	50MP main, 8MP ultra-wide	32MP main
Dimensions	163.1 × 76.9 × 7.4 mm	171.79 × 77.8 × 8.26 mm
Weight	183 g	193 g
Water resistance	IP68/IP69	IP52
Supported until	Mar 2029	Apr 2029

P3 Ultra 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.