Redmi 15a vs Redmi K90
The Redmi 15a (2026) runs on the Unisoc T8300, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $130 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 42/100 (a 34-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6300); the main camera is 32 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 639,225); the Redmi K90 has NFC for contactless payments, the Redmi 15a doesn't.
Profile comparison
Category scores
Redmi 15a
Redmi K90
What makes Redmi 15a better?
- Cheaper at launch: $130 vs $401
- Overall rating 42/100
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 639225
- Better Geekbench Single: 3013 vs 880
- Better Geekbench Multi: 9287 vs 2073
- Bigger battery: 7100 vs 6300 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 32MP
- Lighter: 206g vs 210g
- Higher performance (91/100 vs 47/100)
- Better camera (58/100 vs 20/100)
- Longer battery life (72/100 vs 52/100)
- Better display (82/100 vs 55/100)
- Better portability (55/100 vs 51/100)
Comparison verdict
Comparing the Redmi 15a vs the Redmi K90, the Redmi K90 scores 34 points higher (76/100 vs 42/100). In the "performance" category, the Redmi K90 leads (91/100 vs 47/100). In the "camera" category, the Redmi K90 leads (58/100 vs 20/100). In the "battery" category, the Redmi K90 leads (72/100 vs 52/100). Value score: Redmi 15a — 64/100, Redmi K90 — 80/100; 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 significantly outperforms the Redmi 15a (91/100 vs 47/100). In the "display" category, the Redmi K90 notably outperforms the Redmi 15a (82/100 vs 55/100). In the "camera" category, the Redmi K90 significantly outperforms the Redmi 15a (58/100 vs 20/100). In the "battery" category, the Redmi K90 notably outperforms the Redmi 15a (72/100 vs 52/100). In the "portability" category, the Redmi K90 and the Redmi 15a are nearly equal (55/100 vs 51/100).
Specs comparison
| Specification | Redmi 15a | Redmi K90 | |
|---|---|---|---|
| Processor | Unisoc T8300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 639225 | 3077585 | |
| Geekbench Single | 880 | 3013 | |
| Geekbench Multi | 2073 | 9287 | |
| Display | 6.9" IPS LCD | 6.6" AMOLED | |
| Resolution | 720x1600 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6300 mAh | 7100 mAh | |
| Charging | 15W | 100W | |
| Main camera | 32 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 800 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 171.6×79.5×8.2 mm | 157.5×75.3×8.0 mm | |
| Weight | 210 g | 206 g | |
| Launch price | $130 | $401 |
Camera comparison
Redmi 15a
- Main: 32MP f/2.0
- Front: 8MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Redmi 15a
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Redmi 15a
- 6300 mAh
- Wired: 15W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi 15a and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Redmi 15a by 79.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $271. Redmi 15a was $271 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Redmi 15a (91/100 vs 47/100).
display
In the "display" category, the Redmi K90 notably outperforms the Redmi 15a (82/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Redmi 15a (58/100 vs 20/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Redmi 15a (72/100 vs 52/100).
portability
In the "portability" category, the Redmi K90 and the Redmi 15a are nearly equal (55/100 vs 51/100).
Frequently asked questions
Which is better: the Redmi 15a or the Redmi K90?
The Redmi K90 significantly outperforms the Redmi 15a by 34 points (76/100 vs 42/100).
What is the rating of the Redmi 15a and the Redmi K90?
The Redmi 15a has a MobileRank rating of 42/100, the Redmi K90 — 76/100.
Which has the better camera: the Redmi 15a or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 20/100).
Which is more powerful: the Redmi 15a or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 47/100).
Should you choose the Redmi 15a over the Redmi K90?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.