PhoneLifespan

P3 Pro 5G vs Galaxy A15

vs

Winner

Realme P3 Pro 5G

The P3 Pro 5G wins this one, taking display and performance decisively. Against the Galaxy A15 it's also the sounder buy at $6.19 per month of safe use.

Value Score: P3 Pro 5G 73 · Galaxy A15 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 P3 Pro 5G $200
Buy with care$6.19/mo
2025◆ Buy-by Feb 20272029
Samsung Galaxy A15 $150
Buy with care$5.00/mo
2023◆ Buy-by Dec 20262028

Category by category

Display
P3 Pro 5G 70Galaxy A15 50

The P3 Pro 5G's screen is the better one — 6.83-inch amoled, 120hz, 1500 nits peak.

Performance
P3 Pro 5G 64Galaxy A15 44

The P3 Pro 5G's Qualcomm Snapdragon 7s Gen 3 (4nm) is simply the faster chip.

Camera
P3 Pro 5G 55Galaxy A15 55

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

Battery
P3 Pro 5G 100Galaxy A15 80

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

Software longevity
P3 Pro 5G 38Galaxy A15 36

Both phones' support windows end around the same time.

Value
P3 Pro 5G 73Galaxy A15 67

Overall value goes to the P3 Pro 5G at $6.19 per month of safe use.

Full spec table
SpecP3 Pro 5GGalaxy A15
Price (street)$200$150
Display6.83-inch AMOLED, 120Hz, 1500 nits peak6.5-inch Super AMOLED, FHD+, 90Hz, 800 nits
ChipsetQualcomm Snapdragon 7s Gen 3 (4nm)MediaTek Helio G99 (6nm)
RAM8GB/12GB4GB/6GB/8GB
Storage128GB/256GB128GB/256GB
Battery6,000 mAh5,000 mAh
Charging80W wired25W wired
Rear cameras50MP main50MP main, 5MP ultra-wide, 2MP macro
Dimensions163.5 × 77.3 × 8 mm160.1 × 76.8 × 8.4 mm
Weight190 g200 g
Water resistanceIP69 (also IP68/IP66)Not rated
Supported untilFeb 2029Dec 2028
P3 Pro 5G full verdict →Galaxy A15 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.