Galaxy F15 5G vs Galaxy S23 Ultra

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 Galaxy S23 Ultra runs out in Feb 2028 ($16.98/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy F15 5G 70 · 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.

Samsung Galaxy F15 5G $130

Buy with care$3.97/mo

2024◆ Buy-by Mar 20272029

Samsung Galaxy S23 Ultra $339

Buy with care$16.98/mo

2023◆ Buy-by Feb 20262028

Category by category

Display

Galaxy F15 5G 50Galaxy 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

Galaxy F15 5G 38Galaxy S23 Ultra 85

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

Camera

Galaxy F15 5G 55Galaxy S23 Ultra 96

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

Battery

Galaxy F15 5G 100Galaxy S23 Ultra 80

6,000mAh vs 5,000mAh — the Galaxy F15 5G lasts longer between charges.

Software longevity

Galaxy F15 5G 39Galaxy S23 Ultra 24

The Galaxy F15 5G is supported until Mar 2029 — 13 months longer than the Galaxy S23 Ultra.

Value

Galaxy F15 5G 70Galaxy S23 Ultra 76

Overall value goes to the Galaxy S23 Ultra at $16.98 per month of safe use.

Full spec table

Spec	Galaxy F15 5G	Galaxy S23 Ultra
Price (street)	$130	$339
Display	6.5-inch Super AMOLED, 1080x2340 (FHD+), 90Hz	6.8-inch Dynamic AMOLED 2X, QHD+, LTPO 1–120Hz, 1750 nits peak
Chipset	MediaTek Dimensity 6100+	Snapdragon 8 Gen 2 for Galaxy
RAM	4GB/6GB	8GB/12GB
Storage	128GB	256GB/512GB/1TB
Battery	6,000 mAh	5,000 mAh
Charging	25W wired	45W wired, 15W wireless, 4.5W reverse wireless
Rear cameras	50MP main, 5MP ultra-wide, 2MP macro	200MP main, 12MP ultra-wide, 10MP telephoto 3x, 10MP periscope 10x
Dimensions	160.0 × 76.8 × 8.4 mm	163.4 × 78.1 × 8.9 mm
Weight	200 g	234 g
Water resistance	None	IP68
Supported until	Mar 2029	Feb 2028

Galaxy F15 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.