12 vs 15 Pro 5G

Phone 1

Phone 2

Winner

Realme 15 Pro 5G

Lifespan decides this one: the 15 Pro 5G is supported until Jul 2029 at $8.82 per month of safe use, while the 12 runs out in Jan 2029 ($16.02/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12 72 · 15 Pro 5G 69 — 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$16.02/mo

2024◆ Buy-by Jan 20272029

Realme 15 Pro 5G $330

Safe to buy$8.82/mo

2025◆ Buy-by Jul 20272029

Category by category

Display

12 10015 Pro 5G 80

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 9215 Pro 5G 55

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

Camera

12 7915 Pro 5G 67

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

Battery

12 8815 Pro 5G 100

7,000mAh vs 5,400mAh — the 15 Pro 5G lasts longer between charges.

Software longevity

12 3715 Pro 5G 45

The 15 Pro 5G is supported until Jul 2029 — 6 months longer than the 12.

Value

12 7215 Pro 5G 69

Pound for pound, these two are equally good deals.

Full spec table

Spec	12	15 Pro 5G
Price (street)	$500	$330
Display	6.82-inch LTPO AMOLED ProXDR, QHD+ (3168×1440), 1–120Hz, up to 4500 nits peak	6.8-inch AMOLED, 1.5K, 144Hz, up to 6500 nits peak, HDR10+, curved
Chipset	Snapdragon 8 Gen 3	Qualcomm Snapdragon 7 Gen 4 (4nm)
RAM	12GB/16GB	8GB/12GB
Storage	256GB/512GB	128GB/256GB/512GB
Battery	5,400 mAh	7,000 mAh
Charging	80W SUPERVOOC wired (50W in North America), 50W wireless	80W wired SuperVOOC
Rear cameras	50MP main, 48MP ultra-wide, 64MP periscope 3x	50MP main, 50MP ultra-wide
Dimensions	164.3 × 75.8 × 9.2 mm	162.3 × 76.2 × 7.7 mm
Weight	220 g	187 g
Water resistance	IP65	IP68/IP69 (also MIL-STD-810H)
Supported until	Jan 2029	Jul 2029

12 full verdict →15 Pro 5G full verdict →Longevity master board →

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