Redmi K20 vs Vivo X300 Ultra
The Redmi K20 (2019) runs on the Qualcomm Snapdragon 730, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $250 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 41/100 (a 50-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 4000); the main camera is 48 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 502,844); the Redmi K20 is noticeably lighter (191g vs 230g).
Profile comparison
Category scores
Redmi K20
Vivo X300 Ultra
What makes Redmi K20 better?
- Lighter: 191g vs 230g
- Cheaper at launch: $250 vs $950
- Better portability (56/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 502844
- Better Geekbench Single: 3639 vs 724
- Better Geekbench Multi: 11047 vs 1836
- Bigger battery: 7000 vs 4000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (99/100 vs 41/100)
- Better camera (96/100 vs 41/100)
- Longer battery life (85/100 vs 27/100)
- Better display (89/100 vs 56/100)
Comparison verdict
Comparing the Redmi K20 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 50 points higher (91/100 vs 41/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 41/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 41/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 27/100). Value score: Redmi K20 — 32/100, Vivo X300 Ultra — 94/100; 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 Vivo X300 Ultra significantly outperforms the Redmi K20 (99/100 vs 41/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Redmi K20 (89/100 vs 56/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi K20 (96/100 vs 41/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi K20 (85/100 vs 27/100). In the "portability" category, the Redmi K20 notably outperforms the Vivo X300 Ultra (56/100 vs 39/100).
Specs comparison
| Specification | Redmi K20 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 730 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 502844 | 4247433 | |
| Geekbench Single | 724 | 3639 | |
| Geekbench Multi | 1836 | 11047 | |
| Display | 6.4" AMOLED | 6.8" LTPO OLED | |
| Resolution | 2340x1080 | 3168x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 4000 mAh | 7000 mAh | |
| Charging | 18W | 100W | |
| Wireless charging | — | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 8 MP | 200 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 9 | Android 16 | |
| NFC | yes | yes | |
| Protection | — | IP69 | |
| Dimensions | 156.7×74.3×8.8 mm | 163.0×76.8×8.2 mm | |
| Weight | 191 g | 230 g | |
| Launch price | $250 | $950 |
Camera comparison
Redmi K20
- Main: 48MP f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Redmi K20
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi K20
- 4000 mAh
- Wired: 18W
- Wireless charging: no data
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Redmi K20 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Redmi K20 by 88.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $700. Redmi K20 was $700 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Redmi K20 (99/100 vs 41/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Redmi K20 (89/100 vs 56/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Redmi K20 (96/100 vs 41/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Redmi K20 (85/100 vs 27/100).
portability
In the "portability" category, the Redmi K20 notably outperforms the Vivo X300 Ultra (56/100 vs 39/100).
Frequently asked questions
Which is better: the Redmi K20 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Redmi K20 by 50 points (91/100 vs 41/100).
What is the rating of the Redmi K20 and the Vivo X300 Ultra?
The Redmi K20 has a MobileRank rating of 41/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Redmi K20 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 41/100).
Which is more powerful: the Redmi K20 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 41/100).
Should you choose the Redmi K20 over the Vivo X300 Ultra?
The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.