400 vs GT 7T
It depends
Too close to call outright
These two are within 4 points overall — it genuinely depends on price on the day. The GT 7T edges both longevity and performance, so prefer it when prices are close.
Value Score: 400 76 · GT 7T 80 — 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 GT 7T's MediaTek Dimensity 8400 Max is simply the faster chip.
The 400 has the stronger camera system — same lens count, higher-grade sensors.
7,000mAh vs 5,300mAh — the GT 7T lasts longer between charges.
Both phones' support windows end around the same time.
Overall value goes to the GT 7T at $6.33 per month of safe use.
Full spec table
| Spec | 400 | GT 7T |
|---|---|---|
| Price (street) | $350 | $375 |
| Display | 6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak | 6.8-inch AMOLED, 1.5K, 144Hz, 6000 nits peak |
| Chipset | Qualcomm Snapdragon 7 Gen 3 (4nm) | MediaTek Dimensity 8400 Max |
| RAM | 8GB/12GB | 8GB/12GB |
| Storage | 256GB/512GB | 128GB/256GB/512GB |
| Battery | 5,300 mAh | 7,000 mAh |
| Charging | 66W wired (5300mAh EU model), 5W reverse wired | 120W wired SuperVOOC |
| Rear cameras | 200MP main, 12MP ultra-wide | 50MP main, 8MP ultra-wide |
| Dimensions | 156.5 × 74.6 × 7.3 mm | 162.4 × 76.0 × 8.25 mm |
| Weight | 184 g | 202 g |
| Water resistance | IP65/IP66 (market dependent) | IP68/IP69 |
| Supported until | May 2031 | May 2031 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.