Galaxy Z Fold6 vs 15 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 Z Fold6 (supported until Jul 2031); want maximum speed → 15 Ultra (Qualcomm Snapdragon 8 Elite (3nm)).
Value Score: Galaxy Z Fold6 64 · 15 Ultra 65 — 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 15 Ultra's screen is the better one — 6.73-inch 2k (1440×3200) ltpo amoled, 1–120hz, up to 3200 nits peak.
The 15 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.
The 15 Ultra has the stronger camera system (4 real rear lenses vs 3).
5,410mAh vs 4,400mAh — the 15 Ultra lasts longer between charges.
The Galaxy Z Fold6 is supported until Jul 2031 — 17 months longer than the 15 Ultra.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | Galaxy Z Fold6 | 15 Ultra |
|---|---|---|
| Price (street) | $1150 | $1350 |
| Display | 7.6-inch Dynamic AMOLED 2X inner foldable, QXGA+ (2160×1856), 1–120Hz, 2600 nits + 6.3-inch Dynamic AMOLED 2X cover (2376×968) | 6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak |
| Chipset | Snapdragon 8 Gen 3 for Galaxy | Qualcomm Snapdragon 8 Elite (3nm) |
| RAM | 12GB | 16GB |
| Storage | 256GB/512GB/1TB | 512GB/1TB |
| Battery | 4,400 mAh | 5,410 mAh |
| Charging | 25W wired, 15W wireless | 90W wired, 80W wireless |
| Rear cameras | 50MP main, 12MP ultra-wide, 10MP telephoto 3x | 50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto |
| Dimensions | Unfolded 153.5 × 132.6 × 5.6 mm; Folded 153.5 × 68.1 × 12.1 mm | 161.3 × 75.3 × 9.35 mm |
| Weight | 239 g | 226 g |
| Water resistance | IP48 | IP68 |
| Supported until | Jul 2031 | Mar 2030 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.