HMD Key vs Vivo iQOO 15
The HMD Key (2025) runs on the Unisoc SC9832E, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 22/100 (a 64-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4000); the main camera is 8 MP vs 50 MP; the Vivo iQOO 15 has NFC for contactless payments, the HMD Key doesn't; the HMD Key is noticeably lighter (185g vs 215g).
Profile comparison
Category scores
HMD Key
Vivo iQOO 15
What makes HMD Key better?
- Lighter: 185g vs 215g
- Better portability (57/100 vs 48/100)
What makes Vivo iQOO 15 better?
- Bigger battery: 7000 vs 4000 mAh
- Faster charging: 100W vs 10W
- Better main camera: 50MP vs 8MP
- Higher refresh rate: 144Hz vs 60Hz
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 22/100)
- Better display (99/100 vs 31/100)
Comparison verdict
Comparing the HMD Key vs the Vivo iQOO 15, the Vivo iQOO 15 scores 64 points higher (86/100 vs 22/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 22/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the HMD Key (99/100 vs 31/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the HMD Key (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the HMD Key (85/100 vs 22/100). In the "portability" category, the HMD Key is a bit better (57/100 vs 48/100).
Specs comparison
| Specification | HMD Key | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Unisoc SC9832E | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 3758268 | |
| Geekbench Single | — | 3013 | |
| Geekbench Multi | — | 9287 | |
| Display | 6.5" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 576x1280 | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | 10W | 100W | |
| Wireless charging | 0W | 40W | |
| 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 | |
| Storage | 32GB | 256GB / 512GB / 1TB | |
| OS | Android 14 | Android 16 | |
| Brightness (peak) | 460 nits | 6000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 166.4×76.9×9.0 mm | 163.7×76.8×8.1 mm | |
| Weight | 185 g | 215 g | |
| Launch price | — | $599 |
Camera comparison
HMD Key
- Main: 8MP
- Front: 5MP
Vivo iQOO 15
- 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
- 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
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Benchmarks
Launch prices and where to check today's
HMD Key
Price unknownDetailed category analysis
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the HMD Key (99/100 vs 31/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the HMD Key (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the HMD Key (85/100 vs 22/100).
portability
In the "portability" category, the HMD Key is a bit better (57/100 vs 48/100).
Frequently asked questions
Which is better: the HMD Key or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the HMD Key by 64 points (86/100 vs 22/100).
What is the rating of the HMD Key and the Vivo iQOO 15?
The HMD Key has a MobileRank rating of 22/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the HMD Key or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Should you choose the HMD Key over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.