Category Breakdown
Camera
≈ Tie
Main sensor resolution
≈ TieBattery
Y31d
Battery capacity (7,200 mAh)
WinsCharging
Y31d
Wired charging speed (44W)
WinsPerformance
—
AnTuTu benchmark
—Display
Spark 50 4G
Screen size (6.78")
WinsWeight
Spark 50 4G
Total weight (210g)
WinsValue
Spark 50 4G
Specs-per-dollar (server score) (8/10)
WinsFull Spec Comparison
| Spec | Spark 50 4G | Y31d |
|---|---|---|
Display | ||
| 6.78" | 6.75" | |
| 720 × 1,600 | 720 × 1,570 | |
| IPS LCD, 120Hz | IPS LCD | |
| 120Hz | 120Hz | |
| — | 1,250 nits | |
Camera | ||
| 50 MP | 50 MP | |
| Single | Dual | |
| No | No | |
| Fingerprint (side-mounted), gyro | Fingerprint (side-mounted), accelerometer, compass, gyro, proximity | |
Performance | ||
| MediaTek Helio G81 | Qualcomm Snapdragon 6s 4G Gen 2 | |
| 8 GB | 8 GB | |
| 256 GB | 256 GB | |
Battery | ||
| 7,000 mAh | 7,200 mAh | |
| 18W | 44W | |
| No | No | |
Build | ||
| 210g | 219g | |
| 8.2mm | 8.4mm | |
| Glass front, plastic frame, plastic back | Glass front, plastic frame, plastic back | |
| No certified water resistance | No certified water resistance | |
| Budget | Budget | |
Who Each Phone Is Really For
If your priorities differ from the verdict above, start here.
Best overall value
vivo Y31d
Highest value score — most specs per dollar.
Budget pick
vivo Y31d
Lowest price while still competitive.
Photography
vivo Y31d
Highest resolution main camera.