400 Pro vs 15T
It depends
Too close to call outright
These two are within 0 points overall — it genuinely depends on price on the day. The 400 Pro edges both longevity and performance, so prefer it when prices are close.
Value Score: 400 Pro 70 · 15T 70 — 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
Both displays are effectively the same class.
The 400 Pro's Qualcomm Snapdragon 8 Gen 3 is simply the faster chip.
The 400 Pro has the stronger camera system — same lens count, higher-grade sensors.
5,500mAh vs 5,300mAh — the 15T lasts longer between charges.
The 400 Pro is supported until May 2031 — 8 months longer than the 15T.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | 400 Pro | 15T |
|---|---|---|
| Price (street) | $700 | $500 |
| Display | 6.7-inch AMOLED, 2800x1280, 120Hz | 6.83-inch AMOLED, 2772x1280, 144Hz |
| Chipset | Qualcomm Snapdragon 8 Gen 3 | MediaTek Dimensity 8400-Ultra |
| RAM | 12GB/16GB | 12GB |
| Storage | 256GB/512GB | 256GB/512GB |
| Battery | 5,300 mAh | 5,500 mAh |
| Charging | 100W wired, 50W wireless | 67W wired |
| Rear cameras | 200MP main, 50MP telephoto 3x, 12MP ultra-wide | 50MP main, 50MP telephoto 2x, 12MP ultra-wide |
| Dimensions | 160.8 × 76.1 × 8.1 mm | 163.2 × 78.0 × 7.5 mm |
| Weight | 205 g | 194 g |
| Water resistance | IP68/IP69 | IP68 |
| Supported until | May 2031 | Sep 2030 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.