Redmi K90 vs Vivo iQOO U1
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO U1 (2020) runs on the Qualcomm Snapdragon 720G. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 39/100 (a 37-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 4500); the main camera is 50 MP vs 48 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 517,460); the Redmi K90 has NFC for contactless payments, the Vivo iQOO U1 doesn't; the Vivo iQOO U1 is noticeably lighter (190g vs 206g).
Profile comparison
Category scores
Redmi K90
Vivo iQOO U1
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 517460
- Better Geekbench Single: 3013 vs 746
- Better Geekbench Multi: 9287 vs 1762
- Bigger battery: 7100 vs 4500 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher performance (91/100 vs 41/100)
- Better camera (58/100 vs 29/100)
- Longer battery life (72/100 vs 33/100)
- Better display (82/100 vs 57/100)
What makes Vivo iQOO U1 better?
- Lighter: 190g vs 206g
- Better portability (59/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Vivo iQOO U1, the Redmi K90 scores 37 points higher (76/100 vs 39/100). In the "performance" category, the Redmi K90 leads (91/100 vs 41/100). In the "camera" category, the Redmi K90 leads (58/100 vs 29/100). In the "battery" category, the Redmi K90 leads (72/100 vs 33/100). In the "performance" category, the Redmi K90 significantly outperforms the Vivo iQOO U1 (91/100 vs 41/100). In the "display" category, the Redmi K90 notably outperforms the Vivo iQOO U1 (82/100 vs 57/100). In the "camera" category, the Redmi K90 notably outperforms the Vivo iQOO U1 (58/100 vs 29/100). In the "battery" category, the Redmi K90 significantly outperforms the Vivo iQOO U1 (72/100 vs 33/100). In the "portability" category, the Vivo iQOO U1 and the Redmi K90 are nearly equal (59/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Vivo iQOO U1 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 720G | |
| AnTuTu | 3077585 | 517460 | |
| Geekbench Single | 3013 | 746 | |
| Geekbench Multi | 9287 | 1762 | |
| Display | 6.6" AMOLED | 6.5" IPS LCD | |
| Resolution | 2510x1156 | 1080x2340 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7100 mAh | 4500 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | Android 10, iQOO UI 1.0 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 162.1×76.6×8.5 mm | |
| Weight | 206 g | 190 g | |
| Launch price | $401 | — |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Vivo iQOO U1
- Main: 48MP f/1.8
- Front: 8MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Vivo iQOO U1
- 6.5" IPS LCD
- Resolution: 1080x2340
- Refresh rate: —
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO U1
- 4500 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Redmi K90 and Vivo iQOO U1, covering their specs and all relevant benchmarks.
Redmi K90 leads Vivo iQOO U1 by 494.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO U1
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Vivo iQOO U1 (91/100 vs 41/100).
display
In the "display" category, the Redmi K90 notably outperforms the Vivo iQOO U1 (82/100 vs 57/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Vivo iQOO U1 (58/100 vs 29/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Vivo iQOO U1 (72/100 vs 33/100).
portability
In the "portability" category, the Vivo iQOO U1 and the Redmi K90 are nearly equal (59/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Vivo iQOO U1?
The Redmi K90 significantly outperforms the Vivo iQOO U1 by 37 points (76/100 vs 39/100).
What is the rating of the Redmi K90 and the Vivo iQOO U1?
The Redmi K90 has a MobileRank rating of 76/100, the Vivo iQOO U1 — 39/100.
Which has the better camera: the Redmi K90 or the Vivo iQOO U1?
The Redmi K90 leads on camera score (58/100 vs 29/100).
Which is more powerful: the Redmi K90 or the Vivo iQOO U1?
The Redmi K90 leads on performance (91/100 vs 41/100).
Should you choose the Redmi K90 over the Vivo iQOO U1?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.