Motorola Moto G100S vs Vivo Y21d
The Motorola Moto G100S (2025) runs on the Qualcomm Snapdragon 6s Gen 4, while the Vivo Y21d (2025) runs on the Unisoc T7225; launch prices were $130 and $110. By overall MobileRank rating, the Motorola Moto G100S leads — 51/100 vs 38/100 (a 13-point difference). Key differences: the Motorola Moto G100S has the bigger battery (7000 mAh vs 6500); the Motorola Moto G100S has NFC for contactless payments, the Vivo Y21d doesn't.
Profile comparison
Category scores
Motorola Moto G100S
Vivo Y21d
What makes Motorola Moto G100S better?
- Better Geekbench Single: 1009 vs 580
- Better Geekbench Multi: 2892 vs 1750
- Bigger battery: 7000 vs 6500 mAh
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (55/100 vs 31/100)
- Better camera (33/100 vs 30/100)
- Better display (66/100 vs 43/100)
What makes Vivo Y21d better?
- Faster charging: 44W vs 30W
- Lighter: 209g vs 210g
- Cheaper at launch: $110 vs $130
- Longer battery life (58/100 vs 57/100)
- Better portability (49/100 vs 47/100)
Comparison verdict
Comparing the Motorola Moto G100S vs the Vivo Y21d, the Motorola Moto G100S scores 13 points higher (51/100 vs 38/100). In the "performance" category, the Motorola Moto G100S leads (55/100 vs 31/100). Value score: Motorola Moto G100S — 82/100, Vivo Y21d — 60/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Motorola Moto G100S notably outperforms the Vivo Y21d (55/100 vs 31/100). In the "display" category, the Motorola Moto G100S notably outperforms the Vivo Y21d (66/100 vs 43/100). In the "camera" category, the Motorola Moto G100S and the Vivo Y21d are nearly equal (33/100 vs 30/100). In the "battery" category, the Vivo Y21d and the Motorola Moto G100S are nearly equal (58/100 vs 57/100). In the "portability" category, the Vivo Y21d and the Motorola Moto G100S are nearly equal (49/100 vs 47/100).
Specs comparison
| Specification | Motorola Moto G100S | Vivo Y21d | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 4 | Unisoc T7225 | |
| AnTuTu | 829894 | — | |
| Geekbench Single | 1009 | 580 | |
| Geekbench Multi | 2892 | 1750 | |
| Display | 6.7" IPS LCD | 6.7" IPS LCD | |
| Resolution | 1080x2400 | 720x1608 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 7000 mAh | 6500 mAh | |
| Charging | 30W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 8 MP | 5 MP | |
| RAM | 8GB | 4GB / 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15 | Android 15 | |
| Brightness (peak) | 1050 nits | 1000 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP68/IP69 | |
| Dimensions | 166.2×76.5×8.6 mm | 166.1×77.0×8.4 mm | |
| Weight | 210 g | 209 g | |
| Launch price | $130 | $110 |
Camera comparison
Motorola Moto G100S
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 8MP
Vivo Y21d
- Main: 50MP f/1.8
- Front: 5MP
Display comparison
Motorola Moto G100S
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo Y21d
- 6.7" IPS LCD
- Resolution: 720x1608
- Refresh rate: 90 Hz
Battery and charging
Motorola Moto G100S
- 7000 mAh
- Wired: 30W
- No wireless charging
Vivo Y21d
- 6500 mAh
- Wired: 44W
- No wireless charging
Benchmarks
Launch prices and where to check today's
Launch price difference: $20. Vivo Y21d was $20 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Motorola Moto G100S notably outperforms the Vivo Y21d (55/100 vs 31/100).
display
In the "display" category, the Motorola Moto G100S notably outperforms the Vivo Y21d (66/100 vs 43/100).
camera
In the "camera" category, the Motorola Moto G100S and the Vivo Y21d are nearly equal (33/100 vs 30/100).
battery
In the "battery" category, the Vivo Y21d and the Motorola Moto G100S are nearly equal (58/100 vs 57/100).
portability
In the "portability" category, the Vivo Y21d and the Motorola Moto G100S are nearly equal (49/100 vs 47/100).
Frequently asked questions
Which is better: the Motorola Moto G100S or the Vivo Y21d?
The Motorola Moto G100S is noticeably better than the Vivo Y21d — the overall rating gap is 13 points.
What is the rating of the Motorola Moto G100S and the Vivo Y21d?
The Motorola Moto G100S has a MobileRank rating of 51/100, the Vivo Y21d — 38/100.
Which is more powerful: the Motorola Moto G100S or the Vivo Y21d?
The Motorola Moto G100S leads on performance (55/100 vs 31/100).
Should you choose the Motorola Moto G100S over the Vivo Y21d?
The Motorola Moto G100S is a better fit for budget-conscious buyers.