Galaxy M15 5G vs Spark 40 5G
It depends
Too close to call outright
These two are within 1 point overall, so it depends on you: keep phones for years → Galaxy M15 5G (supported until Apr 2029); want maximum speed → Spark 40 5G (MediaTek Dimensity 6400).
Value Score: Galaxy M15 5G 71 · 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.
Category by category
The Spark 40 5G's screen is the better one — 6.75-inch ips lcd, hd+, 120hz.
The Spark 40 5G's MediaTek Dimensity 6400 is simply the faster chip.
Camera systems are comparable on paper — pick by sample photos.
Battery capacities are close enough not to decide this.
The Galaxy M15 5G is supported until Apr 2029 — 7 months longer than the Spark 40 5G.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | Galaxy M15 5G | Spark 40 5G |
|---|---|---|
| Price (street) | $150 | $115 |
| Display | 6.5-inch Super AMOLED, 1080 x 2340 (FHD+), 90Hz | 6.75-inch IPS LCD, HD+, 120Hz |
| Chipset | MediaTek Dimensity 6100+ | MediaTek Dimensity 6400 |
| RAM | 4GB/6GB/8GB | 4GB/8GB |
| Storage | 128GB/256GB | 128GB/256GB |
| Battery | 6,000 mAh | 6,000 mAh |
| Charging | 25W wired | 18W wired |
| Rear cameras | 50MP main, 5MP ultra-wide, 2MP macro | 50MP main |
| Dimensions | 160.1 × 76.8 × 9.3 mm | 167.7 × 77.9 × 8 mm |
| Weight | 217 g | 194 g |
| Water resistance | None | Not rated |
| Supported until | Apr 2029 | Aug 2028 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.