P3x 5G vs Galaxy A15 5G

Phone 1

Phone 2

Winner

Realme P3x 5G

The P3x 5G wins this one, taking display and battery decisively. Against the Galaxy A15 5G it's also the sounder buy at $4.64 per month of safe use.

Value Score: P3x 5G 73 · Galaxy A15 5G 67 — 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 A15 5G $120

Buy with care$4.00/mo

2023◆ Buy-by Dec 20262028

Category by category

Display

P3x 5G 70Galaxy A15 5G 50

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

Performance

P3x 5G 55Galaxy A15 5G 38

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

Camera

P3x 5G 55Galaxy A15 5G 55

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

Battery

P3x 5G 100Galaxy A15 5G 80

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

Software longevity

P3x 5G 38Galaxy A15 5G 36

Both phones' support windows end around the same time.

Value

P3x 5G 73Galaxy A15 5G 67

Overall value goes to the P3x 5G at $4.64 per month of safe use.

Full spec table

Spec	P3x 5G	Galaxy A15 5G
Price (street)	$150	$120
Display	6.72-inch IPS LCD, FHD+, 120Hz	6.5-inch Super AMOLED, 1080x2340 (FHD+), 90Hz
Chipset	MediaTek Dimensity 6400 (6nm)	Dimensity 6100+
RAM	6GB/8GB	4GB/6GB/8GB
Storage	128GB	128GB/256GB
Battery	6,000 mAh	5,000 mAh
Charging	45W wired SuperVOOC	25W wired
Rear cameras	50MP main, 2MP depth	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	165.7 × 76.2 × 7.99 mm	160.1 × 76.8 × 8.4 mm
Weight	197 g	200 g
Water resistance	IP68/IP69	None
Supported until	Feb 2029	Dec 2028

P3x 5G full verdict →Galaxy A15 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.