ROG Phone 8 vs Open
It depends
Too close to call outright
These two are within 3 points overall — it genuinely depends on price on the day. The ROG Phone 8 edges both longevity and performance, so prefer it when prices are close.
Value Score: ROG Phone 8 60 · Open 57 — 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 Open's screen is the better one — 7.82-inch 2k ltpo3 fluid amoled inner foldable (2440×2268, 426 ppi) + 6.31-inch 2k amoled cover (2484×1116, 431 ppi), both 120hz, up to 2800 nits peak.
The ROG Phone 8's Qualcomm Snapdragon 8 Gen 3 is simply the faster chip.
Camera systems are comparable on paper — pick by sample photos.
5,500mAh vs 4,805mAh — the ROG Phone 8 lasts longer between charges.
The ROG Phone 8 is supported until Jan 2029 — 3 months longer than the Open.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | ROG Phone 8 | Open |
|---|---|---|
| Price (street) | $850 | $900 |
| Display | 6.78-inch LTPO AMOLED, 1080x2400, 165Hz | 7.82-inch 2K LTPO3 Fluid AMOLED inner foldable (2440×2268, 426 ppi) + 6.31-inch 2K AMOLED cover (2484×1116, 431 ppi), both 120Hz, up to 2800 nits peak |
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Snapdragon 8 Gen 2 |
| RAM | 12GB/16GB | 16GB |
| Storage | 256GB/512GB | 512GB |
| Battery | 5,500 mAh | 4,805 mAh |
| Charging | 65W wired, 15W wireless | 67W SUPERVOOC wired, no wireless |
| Rear cameras | 50MP main, 13MP ultra-wide, 32MP telephoto 3x | 48MP main, 48MP ultra-wide, 64MP periscope telephoto 3x |
| Dimensions | 163.8 × 76.8 × 8.9 mm | Unfolded 153.4 × 143.1 × 5.8 mm; Folded 153.4 × 73.3 × 11.7 mm |
| Weight | 225 g | 239 g |
| Water resistance | IP68 | IPX4 |
| Supported until | Jan 2029 | Oct 2028 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.