K12 vs GT 6
It depends
Too close to call outright
These two are within 0 points overall — it genuinely depends on price on the day. The GT 6 edges both longevity and performance, so prefer it when prices are close.
Value Score: K12 70 · GT 6 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
The GT 6's screen is the better one — 6.78-inch ltpo amoled, 2780x1264, 120hz.
The GT 6's Qualcomm Snapdragon 8s Gen 3 is simply the faster chip.
The GT 6 has the stronger camera system (3 real rear lenses vs 2).
Battery capacities are close enough not to decide this.
Both phones' support windows end around the same time.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | K12 | GT 6 |
|---|---|---|
| Price (street) | $265 | $400 |
| Display | 6.7-inch AMOLED, FHD+, 120Hz, HDR10+, 1100 nits peak | 6.78-inch LTPO AMOLED, 2780x1264, 120Hz |
| Chipset | Qualcomm Snapdragon 7 Gen 3 (4nm) | Qualcomm Snapdragon 8s Gen 3 |
| RAM | 8GB/12GB | 8GB/12GB/16GB |
| Storage | 256GB/512GB | 256GB/512GB |
| Battery | 5,500 mAh | 5,500 mAh |
| Charging | 100W wired SuperVOOC | 120W wired |
| Rear cameras | 50MP main, 8MP ultra-wide | 50MP main, 50MP telephoto 2x, 8MP ultra-wide |
| Dimensions | 162.5 × 75.3 × 8.4 mm | 161.4 × 75.1 × 8.6 mm |
| Weight | 186 g | 199 g |
| Water resistance | IP54 | IP65 |
| Supported until | Apr 2028 | Jun 2028 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.