Redmi K80 Ultra vs Vivo S50
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Vivo S50 (2025) runs on the Qualcomm Snapdragon 8s Gen 3; launch prices were $350 and $390. By overall MobileRank rating, the Redmi K80 Ultra leads — 73/100 vs 72/100 (a 1-point difference). Key differences: the Redmi K80 Ultra has the bigger battery (7410 mAh vs 6500); the Redmi K80 Ultra is faster in AnTuTu (2,874,956 vs 1,794,400); the Vivo S50 is noticeably lighter (196g vs 219g).
Profile comparison
Category scores
Redmi K80 Ultra
Vivo S50
What makes Redmi K80 Ultra better?
- Higher AnTuTu: 2874956 vs 1794400
- Better Geekbench Single: 2729 vs 1923
- Better Geekbench Multi: 8430 vs 5179
- Bigger battery: 7410 vs 6500 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $350 vs $390
- Higher performance (89/100 vs 75/100)
- Longer battery life (86/100 vs 68/100)
- Better display (94/100 vs 85/100)
What makes Vivo S50 better?
- Lighter: 196g vs 219g
- Better camera (64/100 vs 37/100)
- Better portability (66/100 vs 40/100)
Comparison verdict
Comparing the Redmi K80 Ultra vs the Vivo S50, the Redmi K80 Ultra scores 1 points higher (73/100 vs 72/100). In the "performance" category, the Redmi K80 Ultra leads (89/100 vs 75/100). In the "camera" category, the Vivo S50 leads (64/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra leads (86/100 vs 68/100). Value score: Redmi K80 Ultra — 80/100, Vivo S50 — 74/100; 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 is a bit better (89/100 vs 75/100). In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo S50 notably outperforms the Redmi K80 Ultra (64/100 vs 37/100). In the "battery" category, the Redmi K80 Ultra notably outperforms the Vivo S50 (86/100 vs 68/100). In the "portability" category, the Vivo S50 notably outperforms the Redmi K80 Ultra (66/100 vs 40/100).
Specs comparison
| Specification | Redmi K80 Ultra | Vivo S50 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8s Gen 3 | |
| AnTuTu | 2874956 | 1794400 | |
| Geekbench Single | 2729 | 1923 | |
| Geekbench Multi | 8430 | 5179 | |
| Display | 6.8" OLED | 6.6" AMOLED | |
| Resolution | 1280x2772 | 1260x2750 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7410 mAh | 6500 mAh | |
| Charging | 100W | 90W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | — | 157.5×74.3×7.6 mm | |
| Weight | 219 g | 196 g | |
| Launch price | $350 | $390 |
Camera comparison
Redmi K80 Ultra
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Vivo S50
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Vivo S50
- 6.6" AMOLED
- Resolution: 1260x2750
- Refresh rate: 120 Hz
Battery and charging
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- Wireless charging: no data
Vivo S50
- 6500 mAh
- Wired: 90W
- No wireless charging
Overall performance score
We compared Redmi K80 Ultra and Vivo S50, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Vivo S50 by 60.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $40. Redmi K80 Ultra was $40 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K80 Ultra is a bit better (89/100 vs 75/100).
display
In the "display" category, the Redmi K80 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Vivo S50 notably outperforms the Redmi K80 Ultra (64/100 vs 37/100).
battery
In the "battery" category, the Redmi K80 Ultra notably outperforms the Vivo S50 (86/100 vs 68/100).
portability
In the "portability" category, the Vivo S50 notably outperforms the Redmi K80 Ultra (66/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K80 Ultra or the Vivo S50?
The Redmi K80 Ultra edges out the Vivo S50 by just 1 points — the two devices are very close in overall level.
What is the rating of the Redmi K80 Ultra and the Vivo S50?
The Redmi K80 Ultra has a MobileRank rating of 73/100, the Vivo S50 — 72/100.
Which has the better camera: the Redmi K80 Ultra or the Vivo S50?
The Vivo S50 leads on camera score (64/100 vs 37/100).
Which is more powerful: the Redmi K80 Ultra or the Vivo S50?
The Redmi K80 Ultra leads on performance (89/100 vs 75/100).
Should you choose the Redmi K80 Ultra over the Vivo S50?
The Redmi K80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo S50 is a better fit for active users.