HMD Key vs Vivo X300 Pro
The HMD Key (2025) runs on the Unisoc SC9832E, while the Vivo X300 Pro (2025) runs on the Dimensity 9500. By overall MobileRank rating, the Vivo X300 Pro leads — 88/100 vs 22/100 (a 66-point difference). Key differences: the Vivo X300 Pro has the bigger battery (6510 mAh vs 4000); the main camera is 8 MP vs 200 MP; the Vivo X300 Pro has NFC for contactless payments, the HMD Key doesn't; the HMD Key is noticeably lighter (185g vs 226g).
Profile comparison
Category scores
HMD Key
Vivo X300 Pro
What makes HMD Key better?
- Lighter: 185g vs 226g
- Better portability (57/100 vs 43/100)
What makes Vivo X300 Pro better?
- Bigger battery: 6510 vs 4000 mAh
- Faster charging: 90W vs 10W
- Better main camera: 200MP vs 8MP
- Higher refresh rate: 120Hz vs 60Hz
- Better camera (96/100 vs 10/100)
- Longer battery life (81/100 vs 22/100)
- Better display (84/100 vs 31/100)
Comparison verdict
Comparing the HMD Key vs the Vivo X300 Pro, the Vivo X300 Pro scores 66 points higher (88/100 vs 22/100). In the "camera" category, the Vivo X300 Pro leads (96/100 vs 10/100). In the "battery" category, the Vivo X300 Pro leads (81/100 vs 22/100). In the "display" category, the Vivo X300 Pro significantly outperforms the HMD Key (84/100 vs 31/100). In the "camera" category, the Vivo X300 Pro significantly outperforms the HMD Key (96/100 vs 10/100). In the "battery" category, the Vivo X300 Pro significantly outperforms the HMD Key (81/100 vs 22/100). In the "portability" category, the HMD Key is a bit better (57/100 vs 43/100).
Specs comparison
| Specification | HMD Key | Vivo X300 Pro | |
|---|---|---|---|
| Processor | Unisoc SC9832E | Dimensity 9500 | |
| AnTuTu | — | 3326259 | |
| Geekbench Single | — | 3293 | |
| Geekbench Multi | — | 10243 | |
| Display | 6.5" IPS LCD | 6.8" AMOLED | |
| Resolution | 576x1280 | 1260x2800 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 4000 mAh | 6510 mAh | |
| Charging | 10W | 90W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 171 | |
| Main camera | 8 MP | 200 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 | 4500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 166.4×76.9×9.0 mm | 161.2×75.5×8.0 mm | |
| Weight | 185 g | 226 g | |
| Launch price | — | $899 |
Camera comparison
HMD Key
- Main: 8MP
- Front: 5MP
Vivo X300 Pro
- Main: 200MP f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
HMD Key
- 6.5" IPS LCD
- Resolution: 576x1280
- Refresh rate: 60 Hz
Vivo X300 Pro
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
HMD Key
- 4000 mAh
- Wired: 10W
- No wireless charging
Vivo X300 Pro
- 6510 mAh
- NanoReview test: web browsing 13:30 hrs, total 24:37 hrs
- 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 X300 Pro significantly outperforms the HMD Key (84/100 vs 31/100).
camera
In the "camera" category, the Vivo X300 Pro significantly outperforms the HMD Key (96/100 vs 10/100).
battery
In the "battery" category, the Vivo X300 Pro significantly outperforms the HMD Key (81/100 vs 22/100).
portability
In the "portability" category, the HMD Key is a bit better (57/100 vs 43/100).
Frequently asked questions
Which is better: the HMD Key or the Vivo X300 Pro?
The Vivo X300 Pro significantly outperforms the HMD Key by 66 points (88/100 vs 22/100).
What is the rating of the HMD Key and the Vivo X300 Pro?
The HMD Key has a MobileRank rating of 22/100, the Vivo X300 Pro — 88/100.
Which has the better camera: the HMD Key or the Vivo X300 Pro?
The Vivo X300 Pro leads on camera score (96/100 vs 10/100).
Should you choose the HMD Key over the Vivo X300 Pro?
The Vivo X300 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.