P3 Ultra 5G vs Galaxy F15 5G

Phone 1

Phone 2

Winner

Samsung Galaxy F15 5G

Lifespan decides this one: the Galaxy F15 5G is supported until Mar 2029 at $3.97 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 · Galaxy F15 5G 71 — 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

Samsung Galaxy F15 5G $130

Buy with care$3.97/mo

2024◆ Buy-by Mar 20272029

Category by category

Display

P3 Ultra 5G 70Galaxy F15 5G 50

The P3 Ultra 5G's screen is the better one — 6.83-inch amoled, 1.5k, 120hz, up to 1500 nits peak, gorilla glass 7i.

Performance

P3 Ultra 5G 74Galaxy F15 5G 38

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

Camera

P3 Ultra 5G 67Galaxy F15 5G 55

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

Battery

P3 Ultra 5G 100Galaxy F15 5G 100

Battery capacities are close enough not to decide this.

Software longevity

P3 Ultra 5G 40Galaxy F15 5G 39

Both phones' support windows end around the same time.

Value

P3 Ultra 5G 74Galaxy F15 5G 71

Pound for pound, these two are equally good deals.

Full spec table

Spec	P3 Ultra 5G	Galaxy F15 5G
Price (street)	$315	$130
Display	6.83-inch AMOLED, 1.5K, 120Hz, up to 1500 nits peak, Gorilla Glass 7i	6.5-inch Super AMOLED, 1080x2340 (FHD+), 90Hz
Chipset	MediaTek Dimensity 8350 Ultra (4nm)	MediaTek Dimensity 6100+
RAM	8GB/12GB	4GB/6GB
Storage	128GB/256GB/512GB	128GB
Battery	6,000 mAh	6,000 mAh
Charging	80W wired (100% in 47 min), 5W reverse	25W wired
Rear cameras	50MP main, 8MP ultra-wide	50MP main, 5MP ultra-wide, 2MP macro
Dimensions	163.1 × 76.9 × 7.4 mm	160.0 × 76.8 × 8.4 mm
Weight	183 g	200 g
Water resistance	IP68/IP69	None
Supported until	Mar 2029	Mar 2029

P3 Ultra 5G full verdict →Galaxy F15 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.