Galaxy M55 5G vs Redmi K70 Ultra
It depends
Too close to call outright
These two are within 1 point overall, so it depends on you: keep phones for years → Galaxy M55 5G (supported until Mar 2029); want maximum speed → Redmi K70 Ultra (MediaTek Dimensity 9300+ (4nm)).
Value Score: Galaxy M55 5G 72 · Redmi K70 Ultra 73 — 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 Redmi K70 Ultra's screen is the better one — 6.67-inch amoled, 1.5k, 144hz, 4000 nits peak, dolby vision.
The Redmi K70 Ultra's MediaTek Dimensity 9300+ (4nm) is simply the faster chip.
Camera systems are comparable on paper — pick by sample photos.
5,500mAh vs 5,000mAh — the Redmi K70 Ultra lasts longer between charges.
The Galaxy M55 5G is supported until Mar 2029 — 8 months longer than the Redmi K70 Ultra.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | Galaxy M55 5G | Redmi K70 Ultra |
|---|---|---|
| Price (street) | $270 | $380 |
| Display | 6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz | 6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision |
| Chipset | Qualcomm Snapdragon 7 Gen 1 | MediaTek Dimensity 9300+ (4nm) |
| RAM | 8GB/12GB | 12GB/16GB/24GB |
| Storage | 128GB/256GB | 256GB/512GB/1TB |
| Battery | 5,000 mAh | 5,500 mAh |
| Charging | 45W wired | 120W wired |
| Rear cameras | 50MP main, 8MP ultra-wide, 2MP macro | 50MP main, 8MP ultra-wide, 2MP macro |
| Dimensions | 163.9 × 76.5 × 7.8 mm | 160.4 × 75.1 × 8.4 mm |
| Weight | 180 g | 211 g |
| Water resistance | None | IP68 |
| Supported until | Mar 2029 | Jul 2028 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.