PhoneLifespan

Pixel 9 Pro vs 15 Pro

vs

Winner

Xiaomi 15 Pro

The 15 Pro wins this one, taking battery and performance decisively. Against the Pixel 9 Pro it's also the sounder buy at $12.42 per month of safe use.

Value Score: Pixel 9 Pro 69 · 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.

Google Pixel 9 Pro $649
Safe to buy$10.45/mo
2024◆ Buy-by Aug 20292031
Xiaomi 15 Pro $650
Safe to buy$12.42/mo
2024◆ Buy-by Oct 20282030

Category by category

Display
Pixel 9 Pro 9015 Pro 90

Both displays are effectively the same class.

Performance
Pixel 9 Pro 7615 Pro 98

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

Camera
Pixel 9 Pro 7915 Pro 79

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

Battery
Pixel 9 Pro 7415 Pro 100

6,100mAh vs 4,700mAh — the 15 Pro lasts longer between charges.

Software longevity
Pixel 9 Pro 7415 Pro 62

The Pixel 9 Pro is supported until Aug 2031 — 10 months longer than the 15 Pro.

Value
Pixel 9 Pro 6915 Pro 74

Overall value goes to the 15 Pro at $12.42 per month of safe use.

Full spec table
SpecPixel 9 Pro15 Pro
Price (street)$649$650
Display6.3-inch Super Actua LTPO OLED, 1–120Hz, up to 3000 nits peak6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetGoogle Tensor G4Qualcomm Snapdragon 8 Elite
RAM16GB12GB/16GB
Storage128GB/256GB/512GB/1TB256GB/512GB/1TB
Battery4,700 mAh6,100 mAh
Charging27W wired, 21W wireless (Pixel Stand)90W wired, 50W wireless
Rear cameras50MP main, 48MP ultra-wide, 48MP 5x telephoto50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions152.8 × 72 × 8.5 mm161.3 × 74.6 × 8.4 mm
Weight199 g213 g
Water resistanceIP68IP68
Supported untilAug 2031Oct 2030
Pixel 9 Pro 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.