6 vs 15 Pro

Phone 1

Phone 2

Winner

Xiaomi 15 Pro

The 15 Pro wins this one, taking performance and battery decisively. Against the 6 it's also the sounder buy at $12.41 per month of safe use.

Value Score: 6 66 · 15 Pro 74 — methodology

The lifespan decider

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

Fairphone 6 $899

Safe to buy$10.67/mo

2025◆ Buy-by Jun 20312033

Xiaomi 15 Pro $650

Safe to buy$12.41/mo

2024◆ Buy-by Oct 20282030

Category by category

Display

6 8015 Pro 90

The 15 Pro's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance

6 6415 Pro 98

The 15 Pro's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera

6 6715 Pro 79

The 15 Pro has the stronger camera system (3 real rear lenses vs 2).

Battery

6 6815 Pro 100

6,100mAh vs 4,415mAh — the 15 Pro lasts longer between charges.

Software longevity

6 10015 Pro 62

The 6 is supported until Jun 2033 — 32 months longer than the 15 Pro.

Value

6 6615 Pro 74

Overall value goes to the 15 Pro at $12.41 per month of safe use.

Full spec table

Spec	6	15 Pro
Price (street)	$899	$650
Display	6.31-inch LTPO OLED, FHD+, 10-120Hz adaptive	6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
Chipset	Qualcomm Snapdragon 7s Gen 3 (4nm)	Qualcomm Snapdragon 8 Elite
RAM	8GB	12GB/16GB
Storage	256GB	256GB/512GB/1TB
Battery	4,415 mAh	6,100 mAh
Charging	30W wired; user-removable battery	90W wired, 50W wireless
Rear cameras	50MP main, 13MP ultra-wide	50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions	156.5 × 73.3 × 9.6 mm	161.3 × 74.6 × 8.4 mm
Weight	193 g	213 g
Water resistance	IP55 (also MIL-STD-810H, 1.5m drop)	IP68
Supported until	Jun 2033	Oct 2030

6 full verdict →15 Pro 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.