Redmi K40 vs Vivo X300 Pro
The Redmi K40 (2021) runs on the Qualcomm Snapdragon 870, while the Vivo X300 Pro (2025) runs on the Dimensity 9500; launch prices were $309 and $899. By overall MobileRank rating, the Vivo X300 Pro leads — 88/100 vs 54/100 (a 34-point difference). Key differences: the Vivo X300 Pro has the bigger battery (6510 mAh vs 4520); the main camera is 48 MP vs 200 MP; the Vivo X300 Pro is faster in AnTuTu (3,326,259 vs 1,010,069); the Redmi K40 is noticeably lighter (196g vs 226g).
Profile comparison
Category scores
Redmi K40
Vivo X300 Pro
What makes Redmi K40 better?
- Lighter: 196g vs 226g
- Cheaper at launch: $309 vs $899
- Better portability (64/100 vs 43/100)
What makes Vivo X300 Pro better?
- Higher AnTuTu: 3326259 vs 1010069
- Better Geekbench Single: 3293 vs 1298
- Better Geekbench Multi: 10243 vs 3520
- Bigger battery: 6510 vs 4520 mAh
- Faster charging: 90W vs 33W
- Better main camera: 200MP vs 48MP
- Higher performance (94/100 vs 61/100)
- Better camera (96/100 vs 36/100)
- Longer battery life (81/100 vs 42/100)
- Better display (84/100 vs 79/100)
Comparison verdict
Comparing the Redmi K40 vs the Vivo X300 Pro, the Vivo X300 Pro scores 34 points higher (88/100 vs 54/100). In the "performance" category, the Vivo X300 Pro leads (94/100 vs 61/100). In the "camera" category, the Vivo X300 Pro leads (96/100 vs 36/100). In the "battery" category, the Vivo X300 Pro leads (81/100 vs 42/100). Value score: Redmi K40 — 46/100, Vivo X300 Pro — 88/100; 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 Pro significantly outperforms the Redmi K40 (94/100 vs 61/100). In the "display" category, the Vivo X300 Pro is a bit better (84/100 vs 79/100). In the "camera" category, the Vivo X300 Pro significantly outperforms the Redmi K40 (96/100 vs 36/100). In the "battery" category, the Vivo X300 Pro significantly outperforms the Redmi K40 (81/100 vs 42/100). In the "portability" category, the Redmi K40 notably outperforms the Vivo X300 Pro (64/100 vs 43/100).
Specs comparison
| Specification | Redmi K40 | Vivo X300 Pro | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 870 | Dimensity 9500 | |
| AnTuTu | 1010069 | 3326259 | |
| Geekbench Single | 1298 | 3293 | |
| Geekbench Multi | 3520 | 10243 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1260x2800 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4520 mAh | 6510 mAh | |
| Charging | 33W | 90W | |
| Wireless charging | — | 40W | |
| DXOMark (camera) | — | 171 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 1300 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.7×76.4×7.8 mm | 161.2×75.5×8.0 mm | |
| Weight | 196 g | 226 g | |
| Launch price | $309 | $899 |
Camera comparison
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Vivo X300 Pro
- Main: 200MP f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo X300 Pro
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Battery and charging
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
Vivo X300 Pro
- 6510 mAh
- NanoReview test: web browsing 13:30 hrs, total 24:37 hrs
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Redmi K40 and Vivo X300 Pro, covering their specs and all relevant benchmarks.
Vivo X300 Pro leads Redmi K40 by 69.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $590. Redmi K40 was $590 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300 Pro significantly outperforms the Redmi K40 (94/100 vs 61/100).
display
In the "display" category, the Vivo X300 Pro is a bit better (84/100 vs 79/100).
camera
In the "camera" category, the Vivo X300 Pro significantly outperforms the Redmi K40 (96/100 vs 36/100).
battery
In the "battery" category, the Vivo X300 Pro significantly outperforms the Redmi K40 (81/100 vs 42/100).
portability
In the "portability" category, the Redmi K40 notably outperforms the Vivo X300 Pro (64/100 vs 43/100).
Frequently asked questions
Which is better: the Redmi K40 or the Vivo X300 Pro?
The Vivo X300 Pro significantly outperforms the Redmi K40 by 34 points (88/100 vs 54/100).
What is the rating of the Redmi K40 and the Vivo X300 Pro?
The Redmi K40 has a MobileRank rating of 54/100, the Vivo X300 Pro — 88/100.
Which has the better camera: the Redmi K40 or the Vivo X300 Pro?
The Vivo X300 Pro leads on camera score (96/100 vs 36/100).
Which is more powerful: the Redmi K40 or the Vivo X300 Pro?
The Vivo X300 Pro leads on performance (94/100 vs 61/100).
Should you choose the Redmi K40 over the Vivo X300 Pro?
The Redmi K40 is a better fit for active users. 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.