PhoneLifespan

P3x 5G vs Galaxy M54 5G

vs

Winner

Realme P3x 5G

Lifespan decides this one: the P3x 5G is supported until Feb 2029 at $4.64 per month of safe use, while the Galaxy M54 5G runs out in Mar 2028 ($10.41/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: P3x 5G 73 · Galaxy M54 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.

Realme P3x 5G $150
Buy with care$4.64/mo
2025◆ Buy-by Feb 20272029
Samsung Galaxy M54 5G $220
Buy with care$10.41/mo
2023◆ Buy-by Mar 20262028

Category by category

Display
P3x 5G 70Galaxy M54 5G 70

Both displays are effectively the same class.

Performance
P3x 5G 55Galaxy M54 5G 58

Performance is a wash — same chip tier.

Camera
P3x 5G 55Galaxy M54 5G 67

The Galaxy M54 5G has the stronger camera system (2 real rear lenses vs 1).

Battery
P3x 5G 100Galaxy M54 5G 100

Battery capacities are close enough not to decide this.

Software longevity
P3x 5G 38Galaxy M54 5G 25

The P3x 5G is supported until Feb 2029 — 11 months longer than the Galaxy M54 5G.

Value
P3x 5G 73Galaxy M54 5G 72

Pound for pound, these two are equally good deals.

Full spec table
SpecP3x 5GGalaxy M54 5G
Price (street)$150$220
Display6.72-inch IPS LCD, FHD+, 120Hz6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
ChipsetMediaTek Dimensity 6400 (6nm)Samsung Exynos 1380
RAM6GB/8GB8GB
Storage128GB128GB/256GB
Battery6,000 mAh6,000 mAh
Charging45W wired SuperVOOC25W wired
Rear cameras50MP main, 2MP depth108MP main, 8MP ultra-wide, 2MP macro
Dimensions165.7 × 76.2 × 7.99 mm164.9 × 77.3 × 8.4 mm
Weight197 g199 g
Water resistanceIP68/IP69None
Supported untilFeb 2029Mar 2028
P3x 5G full verdict →Galaxy M54 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.