HMD Key vs Vivo iQOO 15 Ultra
The HMD Key (2025) runs on the Unisoc SC9832E, 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 22/100 (a 67-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4000); the main camera is 8 MP vs 50 MP; the Vivo iQOO 15 Ultra has NFC for contactless payments, the HMD Key doesn't; the HMD Key is noticeably lighter (185g vs 227g).
Profile comparison
Category scores
HMD Key
Vivo iQOO 15 Ultra
What makes HMD Key better?
- Lighter: 185g vs 227g
- Better portability (57/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Bigger battery: 7400 vs 4000 mAh
- Faster charging: 120W vs 10W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 60Hz
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 22/100)
- Better display (99/100 vs 31/100)
Comparison verdict
Comparing the HMD Key vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 67 points higher (89/100 vs 22/100). 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 22/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the HMD Key (99/100 vs 31/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the HMD Key (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the HMD Key (92/100 vs 22/100). In the "portability" category, the HMD Key notably outperforms the Vivo iQOO 15 Ultra (57/100 vs 35/100).
Specs comparison
| Specification | HMD Key | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Unisoc SC9832E | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4602290 | |
| Geekbench Single | — | 3639 | |
| Geekbench Multi | — | 11047 | |
| Display | 6.5" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 576x1280 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 4000 mAh | 7400 mAh | |
| Charging | 10W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 8 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 2GB | 12GB / 16GB / 24GB | |
| Storage | 32GB | 256GB / 512GB / 1TB | |
| OS | Android 14 | Android 16 | |
| Brightness (peak) | 460 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 166.4×76.9×9.0 mm | 163.7×76.8×8.7 mm | |
| Weight | 185 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
HMD Key
- Main: 8MP
- Front: 5MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
HMD Key
- 6.5" IPS LCD
- Resolution: 576x1280
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
HMD Key
- 4000 mAh
- Wired: 10W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Benchmarks
Launch prices and where to check today's
HMD Key
Price unknownDetailed category analysis
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the HMD Key (99/100 vs 31/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the HMD Key (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the HMD Key (92/100 vs 22/100).
portability
In the "portability" category, the HMD Key notably outperforms the Vivo iQOO 15 Ultra (57/100 vs 35/100).
Frequently asked questions
Which is better: the HMD Key or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the HMD Key by 67 points (89/100 vs 22/100).
What is the rating of the HMD Key and the Vivo iQOO 15 Ultra?
The HMD Key has a MobileRank rating of 22/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the HMD Key or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Should you choose the HMD Key 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.