Redmi K80 Ultra vs Redmi K90 Ultra
The Redmi K80 Ultra (2025) runs on the MediaTek Dimensity 9400+, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $350 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 61/100 vs 60/100 (a 1-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7410); the Redmi K80 Ultra is faster in AnTuTu (2,876,004 vs 2,760,000).
Redmi K80 Ultra
Redmi K90 Ultra
- Higher AnTuTu: 2876004 vs 2760000
- Lighter: 219g vs 227g
- Cheaper: $350 vs $420
- Better design/ergonomics (26/100 vs 16/100)
- Better value for money (86/100 vs 81/100)
- Better Geekbench Single: 3050 vs 2729
- Better Geekbench Multi: 9300 vs 8430
- Bigger battery: 8550 vs 7410 mAh
- Higher refresh rate: 165Hz vs 144Hz
- Higher performance (65/100 vs 61/100)
- Longer battery life (77/100 vs 72/100)
Comparing the Redmi K80 Ultra vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 1 points higher (61/100 vs 60/100). In the "performance" category, the Redmi K90 Ultra and the Redmi K80 Ultra are nearly equal (65/100 vs 61/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 32/100. In the "battery" category, the Redmi K90 Ultra is a bit better (77/100 vs 72/100). In the "design" category, the Redmi K80 Ultra is a bit better (26/100 vs 16/100). In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 81/100).
| Specification | Redmi K80 Ultra | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2876004 | 2760000 | |
| Geekbench Single | 2729 | 3050 | |
| Geekbench Multi | 8430 | 9300 | |
| Display | 6.8" OLED | 6.8" AMOLED | |
| Resolution | 1280x2772 | 1280x2772 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 7410 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 3200 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | 219 g | 227 g | |
| Price | $350 | $420 |
Redmi K80 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 20MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi K80 Ultra
- 6.8" OLED
- Resolution: 1280x2772
- Refresh rate: 144 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi K80 Ultra
- 7410 mAh
- Wired: 100W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K80 Ultra and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K80 Ultra leads Redmi K90 Ultra by 4.2% in our overall performance rating.
Price difference: $70. Redmi K80 Ultra is cheaper by $70.
performance
In the "performance" category, the Redmi K90 Ultra and the Redmi K80 Ultra are nearly equal (65/100 vs 61/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 32/100.
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (77/100 vs 72/100).
design
In the "design" category, the Redmi K80 Ultra is a bit better (26/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K80 Ultra is a bit better (86/100 vs 81/100).
Which is better: the Redmi K80 Ultra or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the Redmi K80 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the Redmi K80 Ultra and the Redmi K90 Ultra?
The Redmi K80 Ultra has a MobileRank rating of 60/100, the Redmi K90 Ultra — 61/100.
Should you choose the Redmi K80 Ultra over the Redmi K90 Ultra?
The Redmi K80 Ultra is a better fit for active users, budget-conscious buyers. The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.