PhoneLifespan

GT 30 5G vs Galaxy A15

vs

Winner

Infinix GT 30 5G

The GT 30 5G wins this one, taking display and performance decisively. Against the Galaxy A15 it's also the sounder buy at $9.43 per month of safe use.

Value Score: GT 30 5G 72 · Galaxy A15 67 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Infinix GT 30 5G $240
Buy with care$9.43/mo
2025◆ Buy-by Aug 20262028
Samsung Galaxy A15 $150
Buy with care$5.01/mo
2023◆ Buy-by Dec 20262028

Category by category

Display
GT 30 5G 70Galaxy A15 50

The GT 30 5G's screen is the better one — 6.78-inch ltps amoled, 1.5k, 144hz, gorilla glass 7i.

Performance
GT 30 5G 62Galaxy A15 44

The GT 30 5G's MediaTek Dimensity 7400 is simply the faster chip.

Camera
GT 30 5G 67Galaxy A15 55

The GT 30 5G has the stronger camera system (2 real rear lenses vs 1).

Battery
GT 30 5G 90Galaxy A15 80

5,500mAh vs 5,000mAh — the GT 30 5G lasts longer between charges.

Software longevity
GT 30 5G 30Galaxy A15 36

The Galaxy A15 is supported until Dec 2028 — 5 months longer than the GT 30 5G.

Value
GT 30 5G 72Galaxy A15 67

Overall value goes to the GT 30 5G at $9.43 per month of safe use.

Full spec table
SpecGT 30 5GGalaxy A15
Price (street)$240$150
Display6.78-inch LTPS AMOLED, 1.5K, 144Hz, Gorilla Glass 7i6.5-inch Super AMOLED, FHD+, 90Hz, 800 nits
ChipsetMediaTek Dimensity 7400MediaTek Helio G99 (6nm)
RAM8GB4GB/6GB/8GB
Storage256GB128GB/256GB
Battery5,500 mAh5,000 mAh
Charging45W wired25W wired
Rear cameras64MP main, 8MP ultra-wide50MP main, 5MP ultra-wide, 2MP macro
Dimensions163.7 x 75.8 x 8.0 mm160.1 × 76.8 × 8.4 mm
Weight187 g200 g
Water resistanceIP64Not rated
Supported untilAug 2028Dec 2028
GT 30 5G full verdict →Galaxy A15 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.