Redmi K80 Ultra vs Vivo X300
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo X300 (2024) runs on the MediaTek Dimensity 9300; launch prices were $350 and $499. By overall MobileRank rating, the Vivo X300 leads — 79/100 vs 73/100 (a 6-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 5000); the Vivo X300 is faster in AnTuTu (3,037,992 vs 2,874,956).
Profile comparison
Category scores
Redmi K80 Ultra
Vivo X300
What makes Redmi K80 Ultra better?
- Better Geekbench Single: 2729 vs 2186
- Better Geekbench Multi: 8430 vs 7422
- Bigger battery: 7410 vs 5000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $350 vs $499
- Higher performance (89/100 vs 86/100)
- Longer battery life (86/100 vs 69/100)
- Better display (94/100 vs 84/100)
What makes Vivo X300 better?
- Higher AnTuTu: 3037992 vs 2874956
- Lighter: 206g vs 219g
- Better camera (78/100 vs 37/100)
- Better portability (55/100 vs 40/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Vivo X300, the Vivo X300 scores 6 points higher (79/100 vs 73/100). In the "camera" category, the Vivo X300 leads (78/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 69/100). Value score: Redmi K80 Ultra — 80/100, Vivo X300 — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K80 Ultra and the Vivo X300 are nearly equal (89/100 vs 86/100). In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the Vivo X300 significantly outperforms the Redmi K80 Ultra (78/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Vivo X300 (86/100 vs 69/100). In the "portability" category, the Vivo X300 notably outperforms the Redmi K80 Ultra (55/100 vs 40/100).
Specs comparison
| Specification | Redmi K80 Ultra | Vivo X300 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | MediaTek Dimensity 9300 | |
| AnTuTu | 2874956 | 3037992 | |
| Geekbench Single | 2729 | 2186 | |
| Geekbench Multi | 8430 | 7422 | |
| Display | 6.8" OLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 2800x1260 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 5000 mAh | |
| Charging | 100W | 80W | |
| Wireless charging | — | 40W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 | Android 14 | |
| Brightness (peak) | 3200 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | — | 150.6×71.9×8.0 mm | |
| Weight | 219 g | 206 g | |
| Launch price | $350 | $499 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Vivo X300
- Main: 50MP f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Vivo X300
- 6.8" AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Vivo X300
- 5000 mAh
- Wired: 80W
- Wireless: 40W
Overall performance score
We compared Redmi K80 Ultra and Vivo X300, covering their specs and all relevant benchmarks.
Vivo X300 leads Redmi K80 Ultra by 5.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $149. Redmi K80 Ultra was $149 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra and the Vivo X300 are nearly equal (89/100 vs 86/100).
display
In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Vivo X300 significantly outperforms the Redmi K80 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Vivo X300 (86/100 vs 69/100).
portability
In the "portability" category, the Vivo X300 notably outperforms the Redmi K80 Ultra (55/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Vivo X300?
The Vivo X300 edges out the Redmi K80 Ultra by just 6 points — the two devices are very close in overall level.
What is the rating of the Redmi K80 Ultra and the Vivo X300?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Vivo X300 — 79/100.
Which has the better camera: the Redmi K80 Ultra or the Vivo X300?
The Vivo X300 leads on camera score (78/100 vs 37/100).
Should you choose the Redmi K80 Ultra over the Vivo X300?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X300 is a better fit for gamers and power users, budget-conscious buyers.