Redmi K90 vs Redmi Note 15 4G
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi Note 15 4G (2025) runs on the MediaTek Helio G100 Ultra. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 51/100 (a 25-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6000); the main camera is 50 MP vs 108 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 575,630); the Redmi Note 15 4G is noticeably lighter (183g vs 206g).
Profile comparison
Category scores
Redmi K90
Redmi Note 15 4G
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 575630
- Better Geekbench Single: 3013 vs 727
- Better Geekbench Multi: 9287 vs 2014
- Bigger battery: 7100 vs 6000 mAh
- Faster charging: 100W vs 33W
- Higher performance (91/100 vs 44/100)
- Better camera (58/100 vs 42/100)
- Longer battery life (72/100 vs 53/100)
- Better display (82/100 vs 79/100)
What makes Redmi Note 15 4G better?
- Better main camera: 108MP vs 50MP
- Lighter: 183g vs 206g
- Better portability (70/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Redmi Note 15 4G, the Redmi K90 scores 25 points higher (76/100 vs 51/100). In the "performance" category, the Redmi K90 leads (91/100 vs 44/100). In the "camera" category, the Redmi K90 leads (58/100 vs 42/100). In the "battery" category, the Redmi K90 leads (72/100 vs 53/100). In the "performance" category, the Redmi K90 significantly outperforms the Redmi Note 15 4G (91/100 vs 44/100). In the "display" category, the Redmi K90 and the Redmi Note 15 4G are nearly equal (82/100 vs 79/100). In the "camera" category, the Redmi K90 notably outperforms the Redmi Note 15 4G (58/100 vs 42/100). In the "battery" category, the Redmi K90 notably outperforms the Redmi Note 15 4G (72/100 vs 53/100). In the "portability" category, the Redmi Note 15 4G notably outperforms the Redmi K90 (70/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Redmi Note 15 4G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio G100 Ultra | |
| AnTuTu | 3077585 | 575630 | |
| Geekbench Single | 3013 | 727 | |
| Geekbench Multi | 9287 | 2014 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 2510x1156 | 1080x2392 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 6000 mAh | |
| Charging | 100W | 33W | |
| Main camera | 50 MP | 108 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 15, up to 4 major Android upgrades, HyperOS 2 | |
| Brightness (peak) | 3500 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | 157.5×75.3×8.0 mm | 164.0×75.4×7.9 mm | |
| Weight | 206 g | 183 g | |
| Launch price | $401 | — |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Redmi Note 15 4G
- Main: 108MP f/1.7
- Front: 20MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Redmi Note 15 4G
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Redmi Note 15 4G
- 6000 mAh
- Wired: 33W
- No wireless charging
Overall performance score
We compared Redmi K90 and Redmi Note 15 4G, covering their specs and all relevant benchmarks.
Redmi K90 leads Redmi Note 15 4G by 434.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi Note 15 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Redmi Note 15 4G (91/100 vs 44/100).
display
In the "display" category, the Redmi K90 and the Redmi Note 15 4G are nearly equal (82/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Redmi Note 15 4G (58/100 vs 42/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Redmi Note 15 4G (72/100 vs 53/100).
portability
In the "portability" category, the Redmi Note 15 4G notably outperforms the Redmi K90 (70/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Redmi Note 15 4G?
The Redmi K90 significantly outperforms the Redmi Note 15 4G by 25 points (76/100 vs 51/100).
What is the rating of the Redmi K90 and the Redmi Note 15 4G?
The Redmi K90 has a MobileRank rating of 76/100, the Redmi Note 15 4G — 51/100.
Which has the better camera: the Redmi K90 or the Redmi Note 15 4G?
The Redmi K90 leads on camera score (58/100 vs 42/100).
Which is more powerful: the Redmi K90 or the Redmi Note 15 4G?
The Redmi K90 leads on performance (91/100 vs 44/100).
Should you choose the Redmi K90 over the Redmi Note 15 4G?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.