PhoneLifespan

GT 30 5G vs Spark 40 5G

vs

Winner

Tecno Spark 40 5G

Lifespan decides this one: the Spark 40 5G is supported until Aug 2028 at $4.40 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 · Spark 40 5G 72 — 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
Tecno Spark 40 5G $115
Buy with care$4.40/mo
2025◆ Buy-by Aug 20262028

Category by category

Display
GT 30 5G 70Spark 40 5G 70

Both displays are effectively the same class.

Performance
GT 30 5G 62Spark 40 5G 55

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

Camera
GT 30 5G 67Spark 40 5G 55

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

Battery
GT 30 5G 90Spark 40 5G 100

6,000mAh vs 5,500mAh — the Spark 40 5G lasts longer between charges.

Software longevity
GT 30 5G 30Spark 40 5G 31

Both phones' support windows end around the same time.

Value
GT 30 5G 72Spark 40 5G 72

Pound for pound, these two are equally good deals.

Full spec table
SpecGT 30 5GSpark 40 5G
Price (street)$240$115
Display6.78-inch LTPS AMOLED, 1.5K, 144Hz, Gorilla Glass 7i6.75-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 7400MediaTek Dimensity 6400
RAM8GB4GB/8GB
Storage256GB128GB/256GB
Battery5,500 mAh6,000 mAh
Charging45W wired18W wired
Rear cameras64MP main, 8MP ultra-wide50MP main
Dimensions163.7 x 75.8 x 8.0 mm167.7 × 77.9 × 8 mm
Weight187 g194 g
Water resistanceIP64Not rated
Supported untilAug 2028Aug 2028
GT 30 5G full verdict →Spark 40 5G 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.