ROG Phone 8 vs 13 Ultra
It depends
Too close to call outright
These two are within 2 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 · 13 Ultra 62 — 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 13 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.
The ROG Phone 8's Qualcomm Snapdragon 8 Gen 3 is simply the faster chip.
The 13 Ultra has the stronger camera system (4 real rear lenses vs 3).
5,500mAh vs 5,000mAh — the ROG Phone 8 lasts longer between charges.
The ROG Phone 8 is supported until Jan 2029 — 9 months longer than the 13 Ultra.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | ROG Phone 8 | 13 Ultra |
|---|---|---|
| Price (street) | $850 | $650 |
| Display | 6.78-inch LTPO AMOLED, 1080x2400, 165Hz | 6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz |
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Gen 2 |
| RAM | 12GB/16GB | 12GB/16GB |
| Storage | 256GB/512GB | 256GB/512GB/1TB |
| Battery | 5,500 mAh | 5,000 mAh |
| Charging | 65W wired, 15W wireless | 90W wired, 50W wireless |
| Rear cameras | 50MP main, 13MP ultra-wide, 32MP telephoto 3x | 50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x |
| Dimensions | 163.8 × 76.8 × 8.9 mm | 163.2 × 74.6 × 9.1 mm |
| Weight | 225 g | 227 g |
| Water resistance | IP68 | IP68 |
| Supported until | Jan 2029 | Apr 2028 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.