Redmi K90 Ultra vs Tecno Phantom X
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Tecno Phantom X (2021) runs on the MediaTek Helio G95. By overall MobileRank rating, the Redmi K90 Ultra leads — 75/100 vs 46/100 (a 29-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4700); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 534,895); the Redmi K90 Ultra has NFC for contactless payments, the Tecno Phantom X doesn't.
Redmi K90 Ultra
Tecno Phantom X
- Higher AnTuTu: 3119308 vs 534895
- Better Geekbench Single: 3041 vs 673
- Better Geekbench Multi: 9494 vs 1881
- Bigger battery: 8550 vs 4700 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 41/100)
- Longer battery life (92/100 vs 40/100)
- Better display (94/100 vs 67/100)
- Better camera (49/100 vs 37/100)
Comparing the Redmi K90 Ultra vs the Tecno Phantom X, the Redmi K90 Ultra scores 29 points higher (75/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 41/100). In the "camera" category, the Tecno Phantom X leads (49/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 40/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Tecno Phantom X (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Tecno Phantom X (94/100 vs 67/100). In the "camera" category, the Tecno Phantom X is a bit better (49/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Tecno Phantom X (92/100 vs 40/100). In the "portability" category, both devices are on the same level — 40/100.
| Specification | Redmi K90 Ultra | Tecno Phantom X | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio G95 | |
| AnTuTu | 3119308 | 534895 | |
| Geekbench Single | 3041 | 673 | |
| Geekbench Multi | 9494 | 1881 | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1280x2772 | 1080x2340 | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8550 mAh | 4700 mAh | |
| Charging | 100W | 33W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 13 MP | |
| Front camera | 20 MP | 48 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 256GB | |
| OS | Android 16 | Android 11, HIOS 7.6 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 163.5×73.8×8.7 mm | |
| Weight | 227 g | — | |
| Price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Tecno Phantom X
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 13MP
- Front: 48MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Tecno Phantom X
- 6.7" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
Tecno Phantom X
- 4700 mAh
- Wired: 33W
- No wireless charging
We compared Redmi K90 Ultra and Tecno Phantom X, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Tecno Phantom X by 483.2% in our overall performance rating.
Tecno Phantom X
Price unknownperformance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Tecno Phantom X (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Tecno Phantom X (94/100 vs 67/100).
camera
In the "camera" category, the Tecno Phantom X is a bit better (49/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Tecno Phantom X (92/100 vs 40/100).
portability
In the "portability" category, both devices are on the same level — 40/100.
Which is better: the Redmi K90 Ultra or the Tecno Phantom X?
The Redmi K90 Ultra significantly outperforms the Tecno Phantom X by 29 points (75/100 vs 46/100).
What is the rating of the Redmi K90 Ultra and the Tecno Phantom X?
The Redmi K90 Ultra has a MobileRank rating of 75/100, the Tecno Phantom X — 46/100.
Which has the better camera: the Redmi K90 Ultra or the Tecno Phantom X?
The Tecno Phantom X leads on camera score (49/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Tecno Phantom X?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Redmi K90 Ultra over the Tecno Phantom X?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Tecno Phantom X is a better fit for everyday use.