Motorola Moto G100S vs Vivo iQOO 15 Ultra
The Motorola Moto G100S (2025) runs on the Qualcomm Snapdragon 6s Gen 4, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $130 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 51/100 (a 38-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 7000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 829,894); the Motorola Moto G100S is noticeably lighter (210g vs 227g).
Profile comparison
Category scores
Motorola Moto G100S
Vivo iQOO 15 Ultra
What makes Motorola Moto G100S better?
- Lighter: 210g vs 227g
- Cheaper at launch: $130 vs $799
- Better portability (47/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 829894
- Better Geekbench Single: 3639 vs 1009
- Better Geekbench Multi: 11047 vs 2892
- Bigger battery: 7400 vs 7000 mAh
- Faster charging: 120W vs 30W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 55/100)
- Better camera (78/100 vs 33/100)
- Longer battery life (92/100 vs 57/100)
- Better display (99/100 vs 66/100)
Comparison verdict
Comparing the Motorola Moto G100S vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 38 points higher (89/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 33/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 57/100). Value score: Motorola Moto G100S — 82/100, Vivo iQOO 15 Ultra — 92/100; 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 Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (99/100 vs 55/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (99/100 vs 66/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (78/100 vs 33/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (92/100 vs 57/100). In the "portability" category, the Motorola Moto G100S is a bit better (47/100 vs 35/100).
Specs comparison
| Specification | Motorola Moto G100S | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 4 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 829894 | 4602290 | |
| Geekbench Single | 1009 | 3639 | |
| Geekbench Multi | 2892 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 7000 mAh | 7400 mAh | |
| Charging | 30W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 1050 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 166.2×76.5×8.6 mm | 163.7×76.8×8.7 mm | |
| Weight | 210 g | 227 g | |
| Launch price | $130 | $799 |
Camera comparison
Motorola Moto G100S
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Motorola Moto G100S
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Motorola Moto G100S
- 7000 mAh
- Wired: 30W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Motorola Moto G100S and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Motorola Moto G100S by 82.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $669. Motorola Moto G100S was $669 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (99/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (99/100 vs 66/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (78/100 vs 33/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S (92/100 vs 57/100).
portability
In the "portability" category, the Motorola Moto G100S is a bit better (47/100 vs 35/100).
Frequently asked questions
Which is better: the Motorola Moto G100S or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Motorola Moto G100S by 38 points (89/100 vs 51/100).
What is the rating of the Motorola Moto G100S and the Vivo iQOO 15 Ultra?
The Motorola Moto G100S has a MobileRank rating of 51/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Motorola Moto G100S or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 33/100).
Which is more powerful: the Motorola Moto G100S or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 55/100).
Should you choose the Motorola Moto G100S over the Vivo iQOO 15 Ultra?
The Motorola Moto G100S is a better fit for budget-conscious buyers. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.