Tecno Spark 40 4G vs Vivo iQOO 15 Ultra
The Tecno Spark 40 4G (2025) runs on the MediaTek Helio G81, 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 — 84/100 vs 30/100 (a 54-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5200); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 358,383).
Tecno Spark 40 4G
Vivo iQOO 15 Ultra
- Better design/ergonomics (50/100 vs 16/100)
- Higher AnTuTu: 4602290 vs 358383
- Better Geekbench Single: 3640 vs 432
- Better Geekbench Multi: 11033 vs 1416
- Bigger battery: 7400 vs 5200 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 24/100)
- Longer battery life (86/100 vs 48/100)
Comparing the Tecno Spark 40 4G vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 54 points higher (84/100 vs 30/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 48/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40 4G (97/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40 4G (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40 4G (86/100 vs 48/100). In the "design" category, the Tecno Spark 40 4G significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Tecno Spark 40 4G | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G81 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 358383 | 4602290 | |
| Geekbench Single | 432 | 3640 | |
| Geekbench Multi | 1416 | 11033 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5200 mAh | 7400 mAh | |
| Charging | 45W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 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, HIOS 15 | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 165.6×77.0×7.7 mm | 163.7×76.8×8.7 mm | |
| Weight | — | 227 g | |
| Price | — | $799 |
Tecno Spark 40 4G
- Main: 50MP
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Tecno Spark 40 4G
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Tecno Spark 40 4G
- 5200 mAh
- Wired: 45W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Tecno Spark 40 4G and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Tecno Spark 40 4G by 92.2% in our overall performance rating.
Tecno Spark 40 4G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40 4G (97/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40 4G (74/100 vs 24/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40 4G (86/100 vs 48/100).
design
In the "design" category, the Tecno Spark 40 4G significantly outperforms the Vivo iQOO 15 Ultra (50/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Tecno Spark 40 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Tecno Spark 40 4G by 54 points (84/100 vs 30/100).
What is the rating of the Tecno Spark 40 4G and the Vivo iQOO 15 Ultra?
The Tecno Spark 40 4G has a MobileRank rating of 30/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Tecno Spark 40 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 24/100).
Which is more powerful: the Tecno Spark 40 4G or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Tecno Spark 40 4G over the Vivo iQOO 15 Ultra?
The Tecno Spark 40 4G is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.