HMD Key vs Vivo X300s
The HMD Key (2025) runs on the Unisoc SC9832E, while the Vivo X300s (2026) runs on the Dimensity 9500. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 22/100 (a 67-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 4000); the main camera is 8 MP vs 200 MP; the HMD Key is noticeably lighter (185g vs 217g).
Profile comparison
Category scores
HMD Key
Vivo X300s
What makes HMD Key better?
- Lighter: 185g vs 217g
- Better portability (57/100 vs 42/100)
What makes Vivo X300s better?
- Bigger battery: 7100 vs 4000 mAh
- Faster charging: 90W vs 10W
- Better main camera: 200MP vs 8MP
- Higher refresh rate: 144Hz vs 60Hz
- Better camera (94/100 vs 10/100)
- Longer battery life (83/100 vs 22/100)
- Better display (94/100 vs 31/100)
Comparison verdict
Comparing the HMD Key vs the Vivo X300s, the Vivo X300s scores 67 points higher (89/100 vs 22/100). In the "camera" category, the Vivo X300s leads (94/100 vs 10/100). In the "battery" category, the Vivo X300s leads (83/100 vs 22/100). In the "display" category, the Vivo X300s significantly outperforms the HMD Key (94/100 vs 31/100). In the "camera" category, the Vivo X300s significantly outperforms the HMD Key (94/100 vs 10/100). In the "battery" category, the Vivo X300s significantly outperforms the HMD Key (83/100 vs 22/100). In the "portability" category, the HMD Key notably outperforms the Vivo X300s (57/100 vs 42/100).
Specs comparison
| Specification | HMD Key | Vivo X300s | |
|---|---|---|---|
| Processor | Unisoc SC9832E | Dimensity 9500 | |
| AnTuTu | — | 3703823 | |
| Geekbench Single | — | 3293 | |
| Geekbench Multi | — | 10243 | |
| Display | 6.5" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 576x1280 | 2800x1260 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 4000 mAh | 7100 mAh | |
| Charging | 10W | 90W | |
| Wireless charging | 0W | 40W | |
| Main camera | 8 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 50 MP | |
| RAM | 2GB | 12GB / 16GB | |
| Storage | 32GB | 256GB / 512GB / 1TB | |
| OS | Android 14 | Android 16 / OriginOS 6 | |
| Brightness (peak) | 460 nits | — | |
| NFC | no | — | |
| Dimensions | 166.4×76.9×9.0 mm | — | |
| Weight | 185 g | 217 g | |
| Launch price | — | $723 |
Camera comparison
HMD Key
- Main: 8MP
- Front: 5MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
HMD Key
- 6.5" IPS LCD
- Resolution: 576x1280
- Refresh rate: 60 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
HMD Key
- 4000 mAh
- Wired: 10W
- No wireless charging
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Benchmarks
Launch prices and where to check today's
HMD Key
Price unknownDetailed category analysis
display
In the "display" category, the Vivo X300s significantly outperforms the HMD Key (94/100 vs 31/100).
camera
In the "camera" category, the Vivo X300s significantly outperforms the HMD Key (94/100 vs 10/100).
battery
In the "battery" category, the Vivo X300s significantly outperforms the HMD Key (83/100 vs 22/100).
portability
In the "portability" category, the HMD Key notably outperforms the Vivo X300s (57/100 vs 42/100).
Frequently asked questions
Which is better: the HMD Key or the Vivo X300s?
The Vivo X300s significantly outperforms the HMD Key by 67 points (89/100 vs 22/100).
What is the rating of the HMD Key and the Vivo X300s?
The HMD Key has a MobileRank rating of 22/100, the Vivo X300s — 89/100.
Which has the better camera: the HMD Key or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 10/100).
Should you choose the HMD Key over the Vivo X300s?
The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.