Redmi K90 Ultra vs Xiaomi 13
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 13 (2023) runs on the Qualcomm Snapdragon 8 Gen 2; launch prices were $420 and $640. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 69/100 (a 4-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,738,631); the Xiaomi 13 is noticeably lighter (189g vs 227g).
Redmi K90 Ultra
Xiaomi 13
- Higher AnTuTu: 3233695 vs 1738631
- Better Geekbench Single: 3041 vs 2004
- Better Geekbench Multi: 9494 vs 5311
- Bigger battery: 8550 vs 4500 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $640
- Higher performance (92/100 vs 75/100)
- Longer battery life (78/100 vs 57/100)
- Better display (94/100 vs 81/100)
- Lighter: 189g vs 227g
- Better camera (65/100 vs 37/100)
- Better portability (66/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Xiaomi 13, the Redmi K90 Ultra scores 4 points higher (73/100 vs 69/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 75/100). In the "camera" category, the Xiaomi 13 leads (65/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 57/100). Value score: Redmi K90 Ultra — 82/100, Xiaomi 13 — 50/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 13 (92/100 vs 75/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Xiaomi 13 notably outperforms the Redmi K90 Ultra (65/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi 13 (78/100 vs 57/100). In the "portability" category, the Xiaomi 13 notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
| Specification | Redmi K90 Ultra | Xiaomi 13 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 2 | |
| AnTuTu | 3233695 | 1738631 | |
| Geekbench Single | 3041 | 2004 | |
| Geekbench Multi | 9494 | 5311 | |
| Display | 6.8" AMOLED | 6.4" AMOLED | |
| Resolution | 1280x2772 | 2400x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 130 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 13 | |
| Brightness (peak) | 3500 nits | 1900 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 152.8×71.5×8.0 mm | |
| Weight | 227 g | 189 g | |
| Launch price | $420 | $640 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 13
- Main: 50MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 32MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Xiaomi 13
- 6.4" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi 13
- 4500 mAh
- Wired: 67W
- Wireless: 50W
We compared Redmi K90 Ultra and Xiaomi 13, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Xiaomi 13 by 86.0% in our overall performance rating.
Launch price difference: $220. Redmi K90 Ultra was $220 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 13 (92/100 vs 75/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 13 notably outperforms the Redmi K90 Ultra (65/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi 13 (78/100 vs 57/100).
portability
In the "portability" category, the Xiaomi 13 notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Xiaomi 13?
The Redmi K90 Ultra edges out the Xiaomi 13 by just 4 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Xiaomi 13?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Xiaomi 13 — 69/100.
Which has the better camera: the Redmi K90 Ultra or the Xiaomi 13?
The Xiaomi 13 leads on camera score (65/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Xiaomi 13?
The Redmi K90 Ultra leads on performance (92/100 vs 75/100).
Should you choose the Redmi K90 Ultra over the Xiaomi 13?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 13 is a better fit for active users.