GT 30 5G vs Phone (3a)

Phone 1

Phone 2

Winner

Nothing Phone (3a)

Lifespan decides this one: the Phone (3a) is supported until Mar 2031 at $6.18 per month of safe use, while the GT 30 5G runs out in Aug 2028 ($9.43/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: GT 30 5G 72 · Phone (3a) 75 — 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

Nothing Phone (3a) $349

Safe to buy$6.18/mo

2025◆ Buy-by Mar 20292031

Category by category

Display

GT 30 5G 70Phone (3a) 80

The Phone (3a)'s screen is the better one — 6.77-inch amoled, 1080×2392 (fhd+), up to 120hz, 3000 nits peak.

Performance

GT 30 5G 62Phone (3a) 64

Performance is a wash — same chip tier.

Camera

GT 30 5G 67Phone (3a) 79

The Phone (3a) has the stronger camera system (3 real rear lenses vs 2).

Battery

GT 30 5G 90Phone (3a) 80

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

Software longevity

GT 30 5G 30Phone (3a) 67

The Phone (3a) is supported until Mar 2031 — 31 months longer than the GT 30 5G.

Value

GT 30 5G 72Phone (3a) 75

Pound for pound, these two are equally good deals.

Full spec table

Spec	GT 30 5G	Phone (3a)
Price (street)	$240	$349
Display	6.78-inch LTPS AMOLED, 1.5K, 144Hz, Gorilla Glass 7i	6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak
Chipset	MediaTek Dimensity 7400	Snapdragon 7s Gen 3
RAM	8GB	8GB/12GB
Storage	256GB	128GB/256GB
Battery	5,500 mAh	5,000 mAh
Charging	45W wired	50W wired, no wireless
Rear cameras	64MP main, 8MP ultra-wide	50MP main, 50MP telephoto 2x, 8MP ultra-wide
Dimensions	163.7 x 75.8 x 8.0 mm	163.52 × 77.50 × 8.35 mm
Weight	187 g	201 g
Water resistance	IP64	IP64
Supported until	Aug 2028	Mar 2031

GT 30 5G full verdict →Phone (3a) 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.