Redmi 13 vs Redmi K90 Ultra
The Redmi 13 (2024) runs on the MediaTek Helio G91 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 39/100 (a 34-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 K90 Ultra is faster in AnTuTu (3,233,695 vs 354,158); the Redmi 13 is noticeably lighter (199g vs 227g).
Profile comparison
Category scores
Redmi 13
Redmi K90 Ultra
What makes Redmi 13 better?
- 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)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 354158
- Better Geekbench Single: 3013 vs 405
- Better Geekbench Multi: 9287 vs 1407
- Bigger battery: 8550 vs 5030 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 29/100)
- Longer battery life (78/100 vs 47/100)
- Better display (94/100 vs 54/100)
Comparison verdict
Comparing the Redmi 13 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 34 points higher (73/100 vs 39/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 29/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 47/100). Value score: Redmi 13 — 46/100, Redmi K90 Ultra — 72/100; 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 K90 Ultra significantly outperforms the Redmi 13 (92/100 vs 29/100). 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).
Specs comparison
| Specification | Redmi 13 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G91 Ultra | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 354158 | 3233695 | |
| Geekbench Single | 405 | 3013 | |
| Geekbench Multi | 1407 | 9287 | |
| 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 |
Camera comparison
Redmi 13
- Main: 108MP f/1.8
- Front: 13MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi 13
- 6.8" IPS LCD
- Resolution: 1080x2460
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Redmi 13
- 5030 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi 13 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi 13 by 89.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $250. Redmi 13 was $250 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi 13 (92/100 vs 29/100).
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).
Frequently asked questions
Which is better: the Redmi 13 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Redmi 13 by 34 points (73/100 vs 39/100).
What is the rating of the Redmi 13 and the Redmi K90 Ultra?
The Redmi 13 has a MobileRank rating of 39/100, 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 29/100).
Should you choose the Redmi 13 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.