PhoneLifespan

GT 30 5G vs Galaxy A55 5G

vs

Winner

Infinix GT 30 5G

The GT 30 5G wins this one, taking battery decisively. Against the Galaxy A55 5G it's also the sounder buy at $9.43 per month of safe use.

Value Score: GT 30 5G 72 · Galaxy A55 5G 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 A55 5G $300
Buy with care$9.13/mo
2024◆ Buy-by Mar 20272029

Category by category

Display
GT 30 5G 70Galaxy A55 5G 70

Both displays are effectively the same class.

Performance
GT 30 5G 62Galaxy A55 5G 60

Performance is a wash — same chip tier.

Camera
GT 30 5G 67Galaxy A55 5G 67

Camera systems are comparable on paper — pick by sample photos.

Battery
GT 30 5G 90Galaxy A55 5G 80

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

Software longevity
GT 30 5G 30Galaxy A55 5G 39

The Galaxy A55 5G is supported until Mar 2029 — 7 months longer than the GT 30 5G.

Value
GT 30 5G 72Galaxy A55 5G 67

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

Full spec table
SpecGT 30 5GGalaxy A55 5G
Price (street)$240$300
Display6.78-inch LTPS AMOLED, 1.5K, 144Hz, Gorilla Glass 7i6.6-inch Super AMOLED, 1080x2340 (FHD+), 120Hz
ChipsetMediaTek Dimensity 7400Exynos 1480
RAM8GB8GB/12GB
Storage256GB128GB/256GB
Battery5,500 mAh5,000 mAh
Charging45W wired25W wired
Rear cameras64MP main, 8MP ultra-wide50MP main, 12MP ultra-wide, 5MP macro
Dimensions163.7 x 75.8 x 8.0 mm161.1 × 77.4 × 8.2 mm
Weight187 g213 g
Water resistanceIP64IP67
Supported untilAug 2028Mar 2029

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.