PhoneLifespan

12 vs P3 Ultra 5G

vs

It depends

Too close to call outright

These two are within 2 points overall, so it depends on you: keep phones for years → P3 Ultra 5G (supported until Mar 2029); want maximum speed → 12 (Snapdragon 8 Gen 3).

Value Score: 12 72 · P3 Ultra 5G 74 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

OnePlus 12 $500
Buy with care$16.01/mo
2024◆ Buy-by Jan 20272029
Realme P3 Ultra 5G $315
Buy with care$9.49/mo
2025◆ Buy-by Mar 20272029

Category by category

Display
12 100P3 Ultra 5G 70

The 12's screen is the better one — 6.82-inch ltpo amoled proxdr, qhd+ (3168×1440), 1–120hz, up to 4500 nits peak.

Performance
12 92P3 Ultra 5G 74

The 12's Snapdragon 8 Gen 3 is simply the faster chip.

Camera
12 79P3 Ultra 5G 67

The 12 has the stronger camera system (3 real rear lenses vs 2).

Battery
12 88P3 Ultra 5G 100

6,000mAh vs 5,400mAh — the P3 Ultra 5G lasts longer between charges.

Software longevity
12 37P3 Ultra 5G 40

Both phones' support windows end around the same time.

Value
12 72P3 Ultra 5G 74

Pound for pound, these two are equally good deals.

Full spec table
Spec12P3 Ultra 5G
Price (street)$500$315
Display6.82-inch LTPO AMOLED ProXDR, QHD+ (3168×1440), 1–120Hz, up to 4500 nits peak6.83-inch AMOLED, 1.5K, 120Hz, up to 1500 nits peak, Gorilla Glass 7i
ChipsetSnapdragon 8 Gen 3MediaTek Dimensity 8350 Ultra (4nm)
RAM12GB/16GB8GB/12GB
Storage256GB/512GB128GB/256GB/512GB
Battery5,400 mAh6,000 mAh
Charging80W SUPERVOOC wired (50W in North America), 50W wireless80W wired (100% in 47 min), 5W reverse
Rear cameras50MP main, 48MP ultra-wide, 64MP periscope 3x50MP main, 8MP ultra-wide
Dimensions164.3 × 75.8 × 9.2 mm163.1 × 76.9 × 7.4 mm
Weight220 g183 g
Water resistanceIP65IP68/IP69
Supported untilJan 2029Mar 2029

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.