K12 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 K12 runs out in Apr 2028 ($11.84/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: K12 70 · 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.

Oppo K12 $265

Buy with care$11.84/mo

2024◆ Buy-by Apr 20262028

Realme 15 Pro 5G $330

Safe to buy$8.82/mo

2025◆ Buy-by Jul 20272029

Category by category

Display

K12 7015 Pro 5G 80

The 15 Pro 5G's screen is the better one — 6.8-inch amoled, 1.5k, 144hz, up to 6500 nits peak, hdr10+, curved.

Performance

K12 6415 Pro 5G 55

The K12's Qualcomm Snapdragon 7 Gen 3 (4nm) is simply the faster chip.

Camera

K12 6715 Pro 5G 67

Camera systems are comparable on paper — pick by sample photos.

Battery

K12 9015 Pro 5G 100

7,000mAh vs 5,500mAh — the 15 Pro 5G lasts longer between charges.

Software longevity

K12 2715 Pro 5G 45

The 15 Pro 5G is supported until Jul 2029 — 15 months longer than the K12.

Value

K12 7015 Pro 5G 69

Pound for pound, these two are equally good deals.

Full spec table

Spec	K12	15 Pro 5G
Price (street)	$265	$330
Display	6.7-inch AMOLED, FHD+, 120Hz, HDR10+, 1100 nits peak	6.8-inch AMOLED, 1.5K, 144Hz, up to 6500 nits peak, HDR10+, curved
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	Qualcomm Snapdragon 7 Gen 4 (4nm)
RAM	8GB/12GB	8GB/12GB
Storage	256GB/512GB	128GB/256GB/512GB
Battery	5,500 mAh	7,000 mAh
Charging	100W wired SuperVOOC	80W wired SuperVOOC
Rear cameras	50MP main, 8MP ultra-wide	50MP main, 50MP ultra-wide
Dimensions	162.5 × 75.3 × 8.4 mm	162.3 × 76.2 × 7.7 mm
Weight	186 g	187 g
Water resistance	IP54	IP68/IP69 (also MIL-STD-810H)
Supported until	Apr 2028	Jul 2029

K12 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.