PhoneLifespan

Galaxy M17 5G vs T3 Ultra

vs

Winner

Samsung Galaxy M17 5G

Lifespan decides this one: the Galaxy M17 5G is supported until Oct 2031 at $3.05 per month of safe use, while the T3 Ultra runs out in Sep 2027 ($25.30/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy M17 5G 75 · T3 Ultra 40 — 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 M17 5G $195
Safe to buy$3.05/mo
2025◆ Buy-by Oct 20292031
Vivo T3 Ultra $375
Avoid buying$25.30/mo
2024◆ Buy-by Sep 20252027

Category by category

Display
Galaxy M17 5G 50T3 Ultra 80

The T3 Ultra's screen is the better one — 6.78-inch curved amoled, 1.5k, 120hz, 4500 nits peak, hdr10+.

Performance
Galaxy M17 5G 45T3 Ultra 88

The T3 Ultra's MediaTek Dimensity 9200+ is simply the faster chip.

Camera
Galaxy M17 5G 55T3 Ultra 67

The T3 Ultra has the stronger camera system (2 real rear lenses vs 1).

Battery
Galaxy M17 5G 80T3 Ultra 90

5,500mAh vs 5,000mAh — the T3 Ultra lasts longer between charges.

Software longevity
Galaxy M17 5G 76T3 Ultra 18

The Galaxy M17 5G is supported until Oct 2031 — 49 months longer than the T3 Ultra.

Value
Galaxy M17 5G 75T3 Ultra 40

Overall value goes to the Galaxy M17 5G at $3.05 per month of safe use.

Full spec table
SpecGalaxy M17 5GT3 Ultra
Price (street)$195$375
Display6.7-inch Super AMOLED, FHD+, 90Hz, Gorilla Glass Victus6.78-inch curved AMOLED, 1.5K, 120Hz, 4500 nits peak, HDR10+
ChipsetSamsung Exynos 1330 (5nm)MediaTek Dimensity 9200+
RAM4GB/6GB/8GB8GB/12GB
Storage128GB128GB/256GB
Battery5,000 mAh5,500 mAh
Charging25W wired80W wired
Rear cameras50MP main, 5MP ultra-wide, 2MP macro50MP main, 8MP ultra-wide
Dimensions164.4 × 77.9 × 7.5 mm164.2 × 74.9 × 7.6 mm
Weight192 g192 g
Water resistanceIP54IP64
Supported untilOct 2031Sep 2027
Galaxy M17 5G full verdict →T3 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.