Nubia Z20 vs Redmi K90
The Nubia Z20 (2019) 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 — 68/100 vs 16/100 (a 52-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4000); the main camera is 48 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 Nubia Z20 doesn't; the Nubia Z20 is noticeably lighter (186g vs 206g).
Nubia Z20
Redmi K90
- Lighter: 186g vs 206g
- Better design/ergonomics (67/100 vs 42/100)
- Higher AnTuTu: 3088357 vs 859084
- Better Geekbench Single: 3050 vs 1031
- Better Geekbench Multi: 9300 vs 2864
- Bigger battery: 7100 vs 4000 mAh
- Faster charging: 100W vs 27W
- Better main camera: 50MP vs 48MP
- Higher performance (69/100 vs 2/100)
- Better camera (53/100 vs 32/100)
- Longer battery life (71/100 vs 13/100)
- Better display (100/100 vs 0/100)
- Better value for money (82/100 vs 55/100)
Comparing the Nubia Z20 vs the Redmi K90, the Redmi K90 scores 52 points higher (68/100 vs 16/100). In the "performance" category, the Redmi K90 leads (69/100 vs 2/100). In the "camera" category, the Redmi K90 leads (53/100 vs 32/100). In the "battery" category, the Redmi K90 leads (71/100 vs 13/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 significantly outperforms the Nubia Z20 (69/100 vs 2/100). In the "display" category, the Redmi K90 significantly outperforms the Nubia Z20 (100/100 vs 0/100). In the "camera" category, the Redmi K90 notably outperforms the Nubia Z20 (53/100 vs 32/100). In the "battery" category, the Redmi K90 significantly outperforms the Nubia Z20 (71/100 vs 13/100). In the "design" category, the Nubia Z20 notably outperforms the Redmi K90 (67/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Nubia Z20 (82/100 vs 55/100).
| Specification | Nubia Z20 | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855+ | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 859084 | 3088357 | |
| Geekbench Single | 1031 | 3050 | |
| Geekbench Multi | 2864 | 9300 | |
| Display | 6.4" AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2340 | 2510x1156 | |
| Refresh rate | — | 120 Hz | |
| Battery | 4000 mAh | 7100 mAh | |
| Charging | 27W | 100W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 16 MP | 8 MP | |
| Telephoto | 8 MP | 50 MP | |
| Front camera | — | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 512GB | 256GB / 512GB | |
| OS | Android 9.0 (Pie); Nubia UI 7 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 158.6×75.2×9.2 mm | 157.5×75.3×8.0 mm | |
| Weight | 186 g | 206 g | |
| Price | — | $401 |
Nubia Z20
- Main: 48MP f/f/1.7
- Ultrawide: 16MP
- Telephoto: 8MP
- Front: —
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Nubia Z20
- 6.4" AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Nubia Z20
- 4000 mAh
- Wired: 27W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Nubia Z20 and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Nubia Z20 by 72.2% in our overall performance rating.
Nubia Z20
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Nubia Z20 (69/100 vs 2/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Nubia Z20 (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Nubia Z20 (53/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Nubia Z20 (71/100 vs 13/100).
design
In the "design" category, the Nubia Z20 notably outperforms the Redmi K90 (67/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Nubia Z20 (82/100 vs 55/100).
Which is better: the Nubia Z20 or the Redmi K90?
The Redmi K90 significantly outperforms the Nubia Z20 by 52 points (68/100 vs 16/100).
What is the rating of the Nubia Z20 and the Redmi K90?
The Nubia Z20 has a MobileRank rating of 16/100, the Redmi K90 — 68/100.
Which has the better camera: the Nubia Z20 or the Redmi K90?
The Redmi K90 leads on camera score (53/100 vs 32/100).
Which is more powerful: the Nubia Z20 or the Redmi K90?
The Redmi K90 leads on performance (69/100 vs 2/100).
Should you choose the Nubia Z20 over the Redmi K90?
The Nubia Z20 is a better fit for everyday use. The Redmi K90 is a better fit for active users, budget-conscious buyers.