Realme X3 SuperZoom vs Redmi K90
The Realme X3 SuperZoom (2020) runs on the Qualcomm Snapdragon 855+, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. 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 4200); the main camera is 64 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,088,357 vs 859,084); the Redmi K90 has NFC for contactless payments, the Realme X3 SuperZoom doesn't.
Realme X3 SuperZoom
Redmi K90
- Better main camera: 64MP vs 50MP
- Lighter: 202g vs 206g
- Overall rating 51/100
- Higher AnTuTu: 3088357 vs 859084
- Better Geekbench Single: 3041 vs 1031
- Better Geekbench Multi: 9494 vs 2864
- Bigger battery: 7100 vs 4200 mAh
- Faster charging: 100W vs 30W
- Higher performance (92/100 vs 55/100)
- Better camera (58/100 vs 51/100)
- Longer battery life (72/100 vs 28/100)
- Better display (82/100 vs 70/100)
- Better portability (55/100 vs 48/100)
Comparing the Realme X3 SuperZoom vs the Redmi K90, the Redmi K90 scores 25 points higher (76/100 vs 51/100). In the "performance" category, the Redmi K90 leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 leads (72/100 vs 28/100). In the "performance" category, the Redmi K90 significantly outperforms the Realme X3 SuperZoom (92/100 vs 55/100). In the "display" category, the Redmi K90 is a bit better (82/100 vs 70/100). In the "camera" category, the Redmi K90 is a bit better (58/100 vs 51/100). In the "battery" category, the Redmi K90 significantly outperforms the Realme X3 SuperZoom (72/100 vs 28/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 48/100).
| Specification | Realme X3 SuperZoom | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 859084 | 3088357 | |
| Geekbench Single | 1031 | 3041 | |
| Geekbench Multi | 2864 | 9494 | |
| Display | 6.0" IPS LCD | 6.6" AMOLED | |
| Resolution | 1080x2400 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4200 mAh | 7100 mAh | |
| Charging | 30W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 8 MP | 50 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 10, Realme UI | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 163.8×75.8×8.9 mm | 157.5×75.3×8.0 mm | |
| Weight | 202 g | 206 g | |
| Launch price | — | $401 |
Realme X3 SuperZoom
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Telephoto: 8MP
- Front: 32MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Realme X3 SuperZoom
- 6.0" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Realme X3 SuperZoom
- 4200 mAh
- Wired: 30W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Realme X3 SuperZoom and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Realme X3 SuperZoom by 72.2% in our overall performance rating.
Realme X3 SuperZoom
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Realme X3 SuperZoom (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 is a bit better (82/100 vs 70/100).
camera
In the "camera" category, the Redmi K90 is a bit better (58/100 vs 51/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Realme X3 SuperZoom (72/100 vs 28/100).
portability
In the "portability" category, the Redmi K90 is a bit better (55/100 vs 48/100).
Which is better: the Realme X3 SuperZoom or the Redmi K90?
The Redmi K90 significantly outperforms the Realme X3 SuperZoom by 25 points (76/100 vs 51/100).
What is the rating of the Realme X3 SuperZoom and the Redmi K90?
The Realme X3 SuperZoom has a MobileRank rating of 51/100, the Redmi K90 — 76/100.
Which has the better camera: the Realme X3 SuperZoom or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 51/100).
Which is more powerful: the Realme X3 SuperZoom or the Redmi K90?
The Redmi K90 leads on performance (92/100 vs 55/100).
Should you choose the Realme X3 SuperZoom over the Redmi K90?
The Realme X3 SuperZoom is a better fit for everyday use. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.