PhoneLifespan

Pixel 9a vs X100

vs

Winner

Google Pixel 9a

Lifespan decides this one: the Pixel 9a is supported until Apr 2032 at $7.16 per month of safe use, while the X100 runs out in Nov 2028 ($21.31/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Pixel 9a 73 · X100 64 — 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 9a $499
Safe to buy$7.16/mo
2025◆ Buy-by Apr 20302032
Vivo X100 $620
Buy with care$21.31/mo
2023◆ Buy-by Nov 20262028

Category by category

Display
Pixel 9a 80X100 90

The X100's screen is the better one — 6.78-inch ltpo amoled, 2800x1260, 120hz, up to 3000 nits peak.

Performance
Pixel 9a 76X100 93

The X100's MediaTek Dimensity 9300 is simply the faster chip.

Camera
Pixel 9a 62X100 79

The X100 has the stronger camera system (3 real rear lenses vs 2).

Battery
Pixel 9a 82X100 80

Battery capacities are close enough not to decide this.

Software longevity
Pixel 9a 83X100 35

The Pixel 9a is supported until Apr 2032 — 41 months longer than the X100.

Value
Pixel 9a 73X100 64

Overall value goes to the Pixel 9a at $7.16 per month of safe use.

Full spec table
SpecPixel 9aX100
Price (street)$499$620
Display6.3-inch Actua pOLED, 60–120Hz, up to 2700 nits peak6.78-inch LTPO AMOLED, 2800x1260, 120Hz, up to 3000 nits peak
ChipsetGoogle Tensor G4MediaTek Dimensity 9300
RAM8GB12GB/16GB
Storage128GB/256GB256GB/512GB
Battery5,100 mAh5,000 mAh
Charging23W wired, 7.5W wireless120W wired
Rear cameras48MP main, 13MP ultra-wide50MP main, 50MP ultra-wide, 64MP telephoto 3x periscope
Dimensions154.7 × 73.2 × 8.9 mm164.1 × 75.3 × 8.2 mm
Weight186 g202 g
Water resistanceIP68IP68
Supported untilApr 2032Nov 2028
Pixel 9a full verdict →X100 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.