Nubia Z80 Ultra vs Redmi K40S
The Nubia Z80 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K40S (2022) runs on the Qualcomm Snapdragon 870 5G. By overall MobileRank rating, the Nubia Z80 Ultra leads — 85/100 vs 54/100 (a 31-point difference). Key differences: the Nubia Z80 Ultra has the bigger battery (6500 mAh vs 4500); the main camera is 50 MP vs 48 MP; the Nubia Z80 Ultra is faster in AnTuTu (3,942,923 vs 1,010,069); the Redmi K40S is noticeably lighter (195g vs 225g).
Profile comparison
Category scores
Nubia Z80 Ultra
Redmi K40S
What makes Nubia Z80 Ultra better?
- Higher AnTuTu: 3942923 vs 1010069
- Better Geekbench Single: 3639 vs 1298
- Better Geekbench Multi: 11047 vs 3520
- Bigger battery: 6500 vs 4500 mAh
- Faster charging: 80W vs 67W
- Better main camera: 50MP vs 48MP
- Higher performance (98/100 vs 61/100)
- Better camera (79/100 vs 36/100)
- Longer battery life (81/100 vs 42/100)
- Better display (83/100 vs 79/100)
What makes Redmi K40S better?
- Lighter: 195g vs 225g
- Better portability (65/100 vs 38/100)
Comparison verdict
Comparing the Nubia Z80 Ultra vs the Redmi K40S, the Nubia Z80 Ultra scores 31 points higher (85/100 vs 54/100). In the "performance" category, the Nubia Z80 Ultra leads (98/100 vs 61/100). In the "camera" category, the Nubia Z80 Ultra leads (79/100 vs 36/100). In the "battery" category, the Nubia Z80 Ultra leads (81/100 vs 42/100). In the "performance" category, the Nubia Z80 Ultra significantly outperforms the Redmi K40S (98/100 vs 61/100). In the "display" category, the Nubia Z80 Ultra and the Redmi K40S are nearly equal (83/100 vs 79/100). In the "camera" category, the Nubia Z80 Ultra significantly outperforms the Redmi K40S (79/100 vs 36/100). In the "battery" category, the Nubia Z80 Ultra significantly outperforms the Redmi K40S (81/100 vs 42/100). In the "portability" category, the Redmi K40S notably outperforms the Nubia Z80 Ultra (65/100 vs 38/100).
Specs comparison
| Specification | Nubia Z80 Ultra | Redmi K40S | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 870 5G | |
| AnTuTu | 3942923 | 1010069 | |
| Geekbench Single | 3639 | 1298 | |
| Geekbench Multi | 11047 | 3520 | |
| Display | 6.8" LTPO AMOLED | 6.7" AMOLED | |
| Resolution | 2688x1216 | 1080x2400 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 4500 mAh | |
| Charging | 80W | 67W | |
| Wireless charging | 80W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 64 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 2000 nits | 1300 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 164.5×77.2×8.6 mm | 163.2×76.0×7.7 mm | |
| Weight | 225 g | 195 g | |
| Launch price | $749 | — |
Camera comparison
Nubia Z80 Ultra
- Main: 50MP f/1.59
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 16MP
Redmi K40S
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Nubia Z80 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2688x1216
- Refresh rate: 120 Hz
Redmi K40S
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Nubia Z80 Ultra
- 6500 mAh
- NanoReview test: web browsing 14:17 hrs, total 34:15 hrs
- Wired: 80W
- Wireless: 80W
Redmi K40S
- 4500 mAh
- Wired: 67W
- No wireless charging
Overall performance score
We compared Nubia Z80 Ultra and Redmi K40S, covering their specs and all relevant benchmarks.
Nubia Z80 Ultra leads Redmi K40S by 290.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K40S
Price unknownDetailed category analysis
performance
In the "performance" category, the Nubia Z80 Ultra significantly outperforms the Redmi K40S (98/100 vs 61/100).
display
In the "display" category, the Nubia Z80 Ultra and the Redmi K40S are nearly equal (83/100 vs 79/100).
camera
In the "camera" category, the Nubia Z80 Ultra significantly outperforms the Redmi K40S (79/100 vs 36/100).
battery
In the "battery" category, the Nubia Z80 Ultra significantly outperforms the Redmi K40S (81/100 vs 42/100).
portability
In the "portability" category, the Redmi K40S notably outperforms the Nubia Z80 Ultra (65/100 vs 38/100).
Frequently asked questions
Which is better: the Nubia Z80 Ultra or the Redmi K40S?
The Nubia Z80 Ultra significantly outperforms the Redmi K40S by 31 points (85/100 vs 54/100).
What is the rating of the Nubia Z80 Ultra and the Redmi K40S?
The Nubia Z80 Ultra has a MobileRank rating of 85/100, the Redmi K40S — 54/100.
Which has the better camera: the Nubia Z80 Ultra or the Redmi K40S?
The Nubia Z80 Ultra leads on camera score (79/100 vs 36/100).
Which is more powerful: the Nubia Z80 Ultra or the Redmi K40S?
The Nubia Z80 Ultra leads on performance (98/100 vs 61/100).
Should you choose the Nubia Z80 Ultra over the Redmi K40S?
The Nubia Z80 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi K40S is a better fit for active users.