K12 vs Redmi Turbo 4

Phone 1

Phone 2

Winner

Xiaomi Redmi Turbo 4

The Redmi Turbo 4 wins this one, taking performance and display decisively. Against the K12 it's also the sounder buy at $7.04 per month of safe use.

Value Score: K12 70 · Redmi Turbo 4 76 — 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

Xiaomi Redmi Turbo 4 $215

Buy with care$7.04/mo

2025◆ Buy-by Jan 20272029

Category by category

Display

K12 70Redmi Turbo 4 80

The Redmi Turbo 4's screen is the better one — 6.67-inch ltps oled, 1.5k, 120hz, 3200 nits peak.

Performance

K12 64Redmi Turbo 4 78

The Redmi Turbo 4's MediaTek Dimensity 8400-Ultra (4nm) is simply the faster chip.

Camera

K12 67Redmi Turbo 4 67

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

Battery

K12 90Redmi Turbo 4 100

6,550mAh vs 5,500mAh — the Redmi Turbo 4 lasts longer between charges.

Software longevity

K12 27Redmi Turbo 4 36

The Redmi Turbo 4 is supported until Jan 2029 — 8 months longer than the K12.

Value

K12 70Redmi Turbo 4 76

Overall value goes to the Redmi Turbo 4 at $7.04 per month of safe use.

Full spec table

Spec	K12	Redmi Turbo 4
Price (street)	$265	$215
Display	6.7-inch AMOLED, FHD+, 120Hz, HDR10+, 1100 nits peak	6.67-inch LTPS OLED, 1.5K, 120Hz, 3200 nits peak
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	MediaTek Dimensity 8400-Ultra (4nm)
RAM	8GB/12GB	12GB/16GB
Storage	256GB/512GB	256GB/512GB
Battery	5,500 mAh	6,550 mAh
Charging	100W wired SuperVOOC	90W wired
Rear cameras	50MP main, 8MP ultra-wide	50MP main, 8MP ultra-wide
Dimensions	162.5 × 75.3 × 8.4 mm	161 × 75.2 × 8.1 mm
Weight	186 g	204 g
Water resistance	IP54	IP68
Supported until	Apr 2028	Jan 2029

K12 full verdict →Redmi Turbo 4 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.