Tecno Spark Go 1S vs Vivo iQOO 15 Ultra
The Tecno Spark Go 1S (2025) runs on the MediaTek Helio G50, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 23/100 (a 66-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 184,328); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Tecno Spark Go 1S doesn't.
Profile comparison
Category scores
Tecno Spark Go 1S
Vivo iQOO 15 Ultra
What makes Tecno Spark Go 1S better?
- Better portability (48/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 184328
- Better Geekbench Single: 3639 vs 200
- Better Geekbench Multi: 11047 vs 889
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 15W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (99/100 vs 12/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 43/100)
- Better display (99/100 vs 43/100)
Comparison verdict
Comparing the Tecno Spark Go 1S vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 66 points higher (89/100 vs 23/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 12/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 43/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (99/100 vs 12/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (99/100 vs 43/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (92/100 vs 43/100). In the "portability" category, the Tecno Spark Go 1S is a bit better (48/100 vs 35/100).
Specs comparison
| Specification | Tecno Spark Go 1S | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G50 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 184328 | 4602290 | |
| Geekbench Single | 200 | 3639 | |
| Geekbench Multi | 889 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | 15W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 3GB | 12GB / 16GB / 24GB | |
| Storage | 64GB | 256GB / 512GB / 1TB | |
| OS | Android 14 (Go edition), HIOS 14 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | no | yes | |
| Protection | IP54 | IP68 | |
| Dimensions | 165.6×77.0×8.4 mm | 163.7×76.8×8.7 mm | |
| Weight | — | 227 g | |
| Launch price | — | $799 |
Camera comparison
Tecno Spark Go 1S
- Main: 13MP f/1.8
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Tecno Spark Go 1S
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 90 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Tecno Spark Go 1S
- 5000 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Tecno Spark Go 1S and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Tecno Spark Go 1S by 96.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Tecno Spark Go 1S
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (99/100 vs 12/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (99/100 vs 43/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S (92/100 vs 43/100).
portability
In the "portability" category, the Tecno Spark Go 1S is a bit better (48/100 vs 35/100).
Frequently asked questions
Which is better: the Tecno Spark Go 1S or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark Go 1S by 66 points (89/100 vs 23/100).
What is the rating of the Tecno Spark Go 1S and the Vivo iQOO 15 Ultra?
The Tecno Spark Go 1S has a MobileRank rating of 23/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Tecno Spark Go 1S or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Tecno Spark Go 1S or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 12/100).
Should you choose the Tecno Spark Go 1S over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.