Realme 12 vs Redmi K90 Ultra
The Realme 12 (2024) runs on the MediaTek Dimensity 6100+, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $200 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 47/100 (a 26-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 108 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 513,809); the Realme 12 is noticeably lighter (188g vs 227g).
Profile comparison
Category scores
Realme 12
Redmi K90 Ultra
What makes Realme 12 better?
- Better main camera: 108MP vs 50MP
- Lighter: 188g vs 227g
- Cheaper at launch: $200 vs $420
- Better camera (41/100 vs 37/100)
- Better portability (68/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 513809
- Better Geekbench Single: 3013 vs 688
- Better Geekbench Multi: 9287 vs 1900
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 41/100)
- Longer battery life (78/100 vs 48/100)
- Better display (94/100 vs 66/100)
Comparison verdict
Comparing the Realme 12 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 26 points higher (73/100 vs 47/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 41/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 48/100). Value score: Realme 12 — 54/100, 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 Realme 12 (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Realme 12 (94/100 vs 66/100). In the "camera" category, the Realme 12 and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme 12 (78/100 vs 48/100). In the "portability" category, the Realme 12 notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Specs comparison
| Specification | Realme 12 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6100+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 513809 | 3233695 | |
| Geekbench Single | 688 | 3013 | |
| Geekbench Multi | 1900 | 9287 | |
| Display | 6.7" IPS LCD | 6.8" AMOLED | |
| Resolution | 2400x1080 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 14 | Android 16 | |
| Brightness (peak) | 2000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | 163.0×75.5×7.9 mm | 162.9×77.9×8.2 mm | |
| Weight | 188 g | 227 g | |
| Launch price | $200 | $420 |
Camera comparison
Realme 12
- Main: 108MP f/1.75
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Realme 12
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Realme 12
- 5000 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme 12 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Realme 12 by 84.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $220. Realme 12 was $220 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme 12 (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Realme 12 (94/100 vs 66/100).
camera
In the "camera" category, the Realme 12 and the Redmi K90 Ultra are nearly equal (41/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme 12 (78/100 vs 48/100).
portability
In the "portability" category, the Realme 12 notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Frequently asked questions
Which is better: the Realme 12 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Realme 12 by 26 points (73/100 vs 47/100).
What is the rating of the Realme 12 and the Redmi K90 Ultra?
The Realme 12 has a MobileRank rating of 47/100, the Redmi K90 Ultra — 73/100.
Which is more powerful: the Realme 12 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Realme 12 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.