PhoneLifespan

P3x 5G vs Galaxy M16 5G

vs

Winner

Samsung Galaxy M16 5G

Lifespan decides this one: the Galaxy M16 5G is supported until Feb 2031 at $2.66 per month of safe use, while the P3x 5G runs out in Feb 2029 ($4.64/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: P3x 5G 73 · Galaxy M16 5G 75 — methodology

The lifespan decider

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

Realme P3x 5G $150
Buy with care$4.64/mo
2025◆ Buy-by Feb 20272029
Samsung Galaxy M16 5G $150
Safe to buy$2.66/mo
2025◆ Buy-by Feb 20292031

Category by category

Display
P3x 5G 70Galaxy M16 5G 50

The P3x 5G's screen is the better one — 6.72-inch ips lcd, fhd+, 120hz.

Performance
P3x 5G 55Galaxy M16 5G 42

The P3x 5G's MediaTek Dimensity 6400 (6nm) is simply the faster chip.

Camera
P3x 5G 55Galaxy M16 5G 55

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

Battery
P3x 5G 100Galaxy M16 5G 80

6,000mAh vs 5,000mAh — the P3x 5G lasts longer between charges.

Software longevity
P3x 5G 38Galaxy M16 5G 67

The Galaxy M16 5G is supported until Feb 2031 — 24 months longer than the P3x 5G.

Value
P3x 5G 73Galaxy M16 5G 75

Pound for pound, these two are equally good deals.

Full spec table
SpecP3x 5GGalaxy M16 5G
Price (street)$150$150
Display6.72-inch IPS LCD, FHD+, 120Hz6.7-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz
ChipsetMediaTek Dimensity 6400 (6nm)MediaTek Dimensity 6300
RAM6GB/8GB4GB/6GB/8GB
Storage128GB128GB/256GB
Battery6,000 mAh5,000 mAh
Charging45W wired SuperVOOC25W wired
Rear cameras50MP main, 2MP depth50MP main, 5MP ultra-wide, 2MP macro
Dimensions165.7 × 76.2 × 7.99 mm164.6 × 77.9 × 7.9 mm
Weight197 g191 g
Water resistanceIP68/IP69None
Supported untilFeb 2029Feb 2031
P3x 5G full verdict →Galaxy M16 5G 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.