PhoneLifespan

Pixel 8a vs 15T

vs

Winner

Google Pixel 8a

The Pixel 8a wins this one, taking software longevity decisively. Against the 15T it's also the sounder buy at $5.09 per month of safe use.

Value Score: Pixel 8a 77 · 15T 70 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 8a $300
Safe to buy$5.09/mo
2024◆ Buy-by May 20292031
Xiaomi 15T $500
Safe to buy$9.73/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
Pixel 8a 7015T 70

Both displays are effectively the same class.

Performance
Pixel 8a 7015T 78

The 15T's MediaTek Dimensity 8400-Ultra is simply the faster chip.

Camera
Pixel 8a 6715T 79

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

Battery
Pixel 8a 7015T 90

5,500mAh vs 4,492mAh — the 15T lasts longer between charges.

Software longevity
Pixel 8a 7015T 61

The Pixel 8a is supported until May 2031 — 8 months longer than the 15T.

Value
Pixel 8a 7715T 70

Overall value goes to the Pixel 8a at $5.09 per month of safe use.

Full spec table
SpecPixel 8a15T
Price (street)$300$500
Display6.1-inch Actua OLED, FHD+, 60–120Hz, up to 2000 nits peak6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetGoogle Tensor G3MediaTek Dimensity 8400-Ultra
RAM8GB12GB
Storage128GB/256GB256GB/512GB
Battery4,492 mAh5,500 mAh
Charging18W wired, 7.5W wireless67W wired
Rear cameras64MP main, 13MP ultra-wide50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions152.1 × 72.7 × 8.9 mm163.2 × 78.0 × 7.5 mm
Weight188 g194 g
Water resistanceIP67IP68
Supported untilMay 2031Sep 2030

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