PhoneLifespan

Narzo 80x 5G vs Spark 40 5G

vs

It depends

Too close to call outright

These two are within 2 points overall, so it depends on you: keep phones for years → Spark 40 5G (supported until Aug 2028); want maximum speed → Narzo 80x 5G (MediaTek Dimensity 6400 (6nm)).

Value Score: Narzo 80x 5G 70 · 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.

Realme Narzo 80x 5G $150
Buy with care$6.88/mo
2025◆ Buy-by Apr 20262028
Tecno Spark 40 5G $115
Buy with care$4.40/mo
2025◆ Buy-by Aug 20262028

Category by category

Display
Narzo 80x 5G 70Spark 40 5G 70

Both displays are effectively the same class.

Performance
Narzo 80x 5G 55Spark 40 5G 55

Performance is a wash — same chip tier.

Camera
Narzo 80x 5G 55Spark 40 5G 55

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

Battery
Narzo 80x 5G 100Spark 40 5G 100

Battery capacities are close enough not to decide this.

Software longevity
Narzo 80x 5G 26Spark 40 5G 31

The Spark 40 5G is supported until Aug 2028 — 4 months longer than the Narzo 80x 5G.

Value
Narzo 80x 5G 70Spark 40 5G 72

Pound for pound, these two are equally good deals.

Full spec table
SpecNarzo 80x 5GSpark 40 5G
Price (street)$150$115
Display6.72-inch IPS LCD, FHD+, 120Hz, 950 nits peak6.75-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 6400 (6nm)MediaTek Dimensity 6400
RAM4GB/6GB/8GB4GB/8GB
Storage128GB128GB/256GB
Battery6,000 mAh6,000 mAh
Charging45W wired SuperVOOC18W wired
Rear cameras50MP main, 2MP depth50MP main
Dimensions165.7 × 76.2 × 7.94 mm167.7 × 77.9 × 8 mm
Weight197 g194 g
Water resistanceIP69Not rated
Supported untilApr 2028Aug 2028

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