| Design | Transparent Glyph lighting; standout aesthetic WIRED+15Moneycontrol+15Reddit+15 | Sleek, minimalist, durable (Gorilla Glass Victus, Mat aluminum frame) |
| Display | 120 Hz AMOLED (FHD+ to 1.5K), very bright (~3000–4500 nits) | Nord 4: 144 Hz FHD+; OnePlus 13: QHD+ LTPO 120 Hz (Up to 4500 nits) |
| Performance | Snapdragon 7s Gen 3 in 3a; 8s Gen 4 in Phone 3 – solid, but mid-flagship | Snapdragon 8 Elite in 13/13s; top-tier CPU/GPU with better benchmarks |
| Cameras | Phone 3a Pro: periscope 6×; Phone 3: triple 50 MP; excellent quality | OnePlus 13s: 50 MP main + tele + uw; strong low-light capabilities |
| Battery & Charging | 3a: 5000 mAh + 50 W; 3: 5500 mAh + 65 W wired, 15 W wireless, reverse charging | Nord 4: ~5500 mAh + 100 W; 13: 6000 mAh + 100 W; good wireless on flagship |
| Software & Updates | Nothing OS: 3 years OS updates (5 for Phone 3), 6–7 yrs security | OxygenOS: 4 years OS, 5–6 years security; more mature ecosystem |
| Price / Value | Premium aesthetic, good value for design & camera, but not raw power leader | OnePlus offers more performance and faster charging at similar or lower price |