Tecno Spark 40c vs Vivo iQOO 15 Ultra
The Tecno Spark 40c (2025) runs on the Helio G81, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $102 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 33/100 (a 56-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 358,608); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Tecno Spark 40c doesn't.
Profile comparison
Category scores
Tecno Spark 40c
Vivo iQOO 15 Ultra
What makes Tecno Spark 40c better?
- Cheaper at launch: $102 vs $799
- Better portability (48/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 358608
- Better Geekbench Single: 3639 vs 432
- Better Geekbench Multi: 11047 vs 1416
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 18W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 30/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 51/100)
- Better display (99/100 vs 55/100)
Comparison verdict
Comparing the Tecno Spark 40c vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 56 points higher (89/100 vs 33/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 30/100). 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 51/100). Value score: Tecno Spark 40c — 54/100, 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 Tecno Spark 40c (99/100 vs 30/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c (92/100 vs 51/100). In the "portability" category, the Tecno Spark 40c is a bit better (48/100 vs 35/100).
Specs comparison
| Specification | Tecno Spark 40c | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Helio G81 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 358608 | 4602290 | |
| Geekbench Single | 432 | 3639 | |
| Geekbench Multi | 1416 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 18W | 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 | 4GB / 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 165.6×77.0×8.4 mm | 163.7×76.8×8.7 mm | |
| Weight | — | 227 g | |
| Launch price | $102 | $799 |
Camera comparison
Tecno Spark 40c
- 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 40c
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Tecno Spark 40c
- 6000 mAh
- Wired: 18W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Tecno Spark 40c and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Tecno Spark 40c by 92.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $697. Tecno Spark 40c was $697 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c (99/100 vs 30/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c (92/100 vs 51/100).
portability
In the "portability" category, the Tecno Spark 40c is a bit better (48/100 vs 35/100).
Frequently asked questions
Which is better: the Tecno Spark 40c or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40c by 56 points (89/100 vs 33/100).
What is the rating of the Tecno Spark 40c and the Vivo iQOO 15 Ultra?
The Tecno Spark 40c has a MobileRank rating of 33/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Tecno Spark 40c 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 40c or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 30/100).
Should you choose the Tecno Spark 40c 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.