Redmi 13 vs Redmi K90 Ultra
The Redmi 13 (2024) runs on the MediaTek Helio G99 Ultra, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $170 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 43/100 (a 30-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5030); the main camera is 108 MP vs 50 MP; the Redmi 13 is noticeably lighter (199g vs 227g).
Redmi 13
Redmi K90 Ultra
- Better main camera: 108MP vs 50MP
- Lighter: 199g vs 227g
- Cheaper at launch: $170 vs $420
- Better camera (40/100 vs 37/100)
- Better portability (56/100 vs 40/100)
- Better Geekbench Single: 3041 vs 760
- Better Geekbench Multi: 9494 vs 1890
- Bigger battery: 8550 vs 5030 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 38/100)
- Longer battery life (78/100 vs 47/100)
- Better display (94/100 vs 54/100)
Comparing the Redmi 13 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 30 points higher (73/100 vs 43/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 38/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 47/100). Value score: Redmi 13 — 56/100, Redmi K90 Ultra — 82/100; 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 significantly outperforms the Redmi 13 (92/100 vs 38/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 13 (94/100 vs 54/100). In the "camera" category, the Redmi 13 and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi 13 (78/100 vs 47/100). In the "portability" category, the Redmi 13 notably outperforms the Redmi K90 Ultra (56/100 vs 40/100).
| Specification | Redmi 13 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G99 Ultra | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 3119308 | |
| Geekbench Single | 760 | 3041 | |
| Geekbench Multi | 1890 | 9494 | |
| Display | 6.8" IPS LCD | 6.8" AMOLED | |
| Resolution | 1080x2460 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5030 mAh | 8550 mAh | |
| Charging | 33W | 100W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 13 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 14, HyperOS | Android 16 | |
| Brightness (peak) | 550 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP53 | IP68/IP69 | |
| Dimensions | 168.6×76.3×8.3 mm | 162.9×77.9×8.2 mm | |
| Weight | 199 g | 227 g | |
| Launch price | $170 | $420 |
Redmi 13
- Main: 108MP
- Front: 13MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Redmi 13
- 6.8" IPS LCD
- Resolution: 1080x2460
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Redmi 13
- 5030 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Launch price difference: $250. Redmi 13 was $250 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi 13 (92/100 vs 38/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi 13 (94/100 vs 54/100).
camera
In the "camera" category, the Redmi 13 and the Redmi K90 Ultra are nearly equal (40/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Redmi 13 (78/100 vs 47/100).
portability
In the "portability" category, the Redmi 13 notably outperforms the Redmi K90 Ultra (56/100 vs 40/100).
Which is better: the Redmi 13 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Redmi 13 by 30 points (73/100 vs 43/100).
What is the rating of the Redmi 13 and the Redmi K90 Ultra?
The Redmi 13 has a MobileRank rating of 43/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Redmi 13 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 38/100).
Should you choose the Redmi 13 over the Redmi K90 Ultra?
The Redmi 13 is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.