P3x 5G vs Galaxy S23 Ultra

Phone 1

Phone 2

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 S23 Ultra runs out in Feb 2028 ($16.94/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: P3x 5G 73 · Galaxy S23 Ultra 76 — 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 S23 Ultra $339

Buy with care$16.94/mo

2023◆ Buy-by Feb 20262028

Category by category

Display

P3x 5G 70Galaxy S23 Ultra 90

The Galaxy S23 Ultra's screen is the better one — 6.8-inch dynamic amoled 2x, qhd+, ltpo 1–120hz, 1750 nits peak.

Performance

P3x 5G 55Galaxy S23 Ultra 85

The Galaxy S23 Ultra's Snapdragon 8 Gen 2 for Galaxy is simply the faster chip.

Camera

P3x 5G 55Galaxy S23 Ultra 96

The Galaxy S23 Ultra has the stronger camera system (4 real rear lenses vs 1).

Battery

P3x 5G 100Galaxy S23 Ultra 80

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

Software longevity

P3x 5G 38Galaxy S23 Ultra 24

The P3x 5G is supported until Feb 2029 — 12 months longer than the Galaxy S23 Ultra.

Value

P3x 5G 73Galaxy S23 Ultra 76

Pound for pound, these two are equally good deals.

Full spec table

Spec	P3x 5G	Galaxy S23 Ultra
Price (street)	$150	$339
Display	6.72-inch IPS LCD, FHD+, 120Hz	6.8-inch Dynamic AMOLED 2X, QHD+, LTPO 1–120Hz, 1750 nits peak
Chipset	MediaTek Dimensity 6400 (6nm)	Snapdragon 8 Gen 2 for Galaxy
RAM	6GB/8GB	8GB/12GB
Storage	128GB	256GB/512GB/1TB
Battery	6,000 mAh	5,000 mAh
Charging	45W wired SuperVOOC	45W wired, 15W wireless, 4.5W reverse wireless
Rear cameras	50MP main, 2MP depth	200MP main, 12MP ultra-wide, 10MP telephoto 3x, 10MP periscope 10x
Dimensions	165.7 × 76.2 × 7.99 mm	163.4 × 78.1 × 8.9 mm
Weight	197 g	234 g
Water resistance	IP68/IP69	IP68
Supported until	Feb 2029	Feb 2028

P3x 5G full verdict →Galaxy S23 Ultra 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.