Moto G15 vs Galaxy S23 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S23 Ultra

The Galaxy S23 Ultra wins this one, taking performance and camera decisively. Against the Moto G15 it's also the sounder buy at $16.94 per month of safe use.

Value Score: Moto G15 65 · 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.

Motorola Moto G15 $175

Buy with care$8.81/mo

2025◆ Buy-by Feb 20262028

Samsung Galaxy S23 Ultra $339

Buy with care$16.94/mo

2023◆ Buy-by Feb 20262028

Category by category

Display

Moto G15 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

Moto G15 39Galaxy S23 Ultra 85

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

Camera

Moto G15 55Galaxy S23 Ultra 96

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

Battery

Moto G15 84Galaxy S23 Ultra 80

5,200mAh vs 5,000mAh — the Moto G15 lasts longer between charges.

Software longevity

Moto G15 24Galaxy S23 Ultra 24

Both phones' support windows end around the same time.

Value

Moto G15 65Galaxy S23 Ultra 76

Overall value goes to the Galaxy S23 Ultra at $16.94 per month of safe use.

Full spec table

Spec	Moto G15	Galaxy S23 Ultra
Price (street)	$175	$339
Display	6.72-inch IPS LCD, FHD+, 120Hz	6.8-inch Dynamic AMOLED 2X, QHD+, LTPO 1–120Hz, 1750 nits peak
Chipset	MediaTek Helio G81 Extreme	Snapdragon 8 Gen 2 for Galaxy
RAM	4GB/8GB	8GB/12GB
Storage	128GB/256GB/512GB	256GB/512GB/1TB
Battery	5,200 mAh	5,000 mAh
Charging	18W wired	45W wired, 15W wireless, 4.5W reverse wireless
Rear cameras	50MP main, 2MP macro	200MP main, 12MP ultra-wide, 10MP telephoto 3x, 10MP periscope 10x
Dimensions	165.7 × 76 × 8.2 mm	163.4 × 78.1 × 8.9 mm
Weight	190 g	234 g
Water resistance	IP54	IP68
Supported until	Feb 2028	Feb 2028

Moto G15 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.