Realme 8i vs Redmi K90
The Realme 8i (2021) runs on the MediaTek Helio G96, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 43/100 (a 33-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 493,222); the Redmi K90 has NFC for contactless payments, the Realme 8i doesn't.
Realme 8i
Redmi K90
- Lighter: 194g vs 206g
- Better portability (57/100 vs 55/100)
- Higher AnTuTu: 3088357 vs 493222
- Better Geekbench Single: 3041 vs 678
- Better Geekbench Multi: 9494 vs 1895
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 18W
- Higher performance (92/100 vs 41/100)
- Better camera (58/100 vs 32/100)
- Longer battery life (72/100 vs 43/100)
- Better display (82/100 vs 66/100)
Comparing the Realme 8i vs the Redmi K90, the Redmi K90 scores 33 points higher (76/100 vs 43/100). In the "performance" category, the Redmi K90 leads (92/100 vs 41/100). In the "camera" category, the Redmi K90 leads (58/100 vs 32/100). In the "battery" category, the Redmi K90 leads (72/100 vs 43/100). In the "performance" category, the Redmi K90 significantly outperforms the Realme 8i (92/100 vs 41/100). In the "display" category, the Redmi K90 notably outperforms the Realme 8i (82/100 vs 66/100). In the "camera" category, the Redmi K90 notably outperforms the Realme 8i (58/100 vs 32/100). In the "battery" category, the Redmi K90 notably outperforms the Realme 8i (72/100 vs 43/100). In the "portability" category, the Realme 8i and the Redmi K90 are nearly equal (57/100 vs 55/100).
| Specification | Realme 8i | Redmi K90 | |
|---|---|---|---|
| Processor | MediaTek Helio G96 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 493222 | 3088357 | |
| Geekbench Single | 678 | 3041 | |
| Geekbench Multi | 1895 | 9494 | |
| Display | 6.6" IPS LCD | 6.6" AMOLED | |
| Resolution | 1080x2412 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 7100 mAh | |
| Charging | 18W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | Android 11, Realme UI 2.0 | Android 16 | |
| Brightness (peak) | 600 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.1×75.5×8.5 mm | 157.5×75.3×8.0 mm | |
| Weight | 194 g | 206 g | |
| Launch price | — | $401 |
Realme 8i
- Main: 50MP f/f/1.8
- Front: 16MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Realme 8i
- 6.6" IPS LCD
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Realme 8i
- 5000 mAh
- Wired: 18W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Realme 8i and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Realme 8i by 84.0% in our overall performance rating.
Realme 8i
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Realme 8i (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 notably outperforms the Realme 8i (82/100 vs 66/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Realme 8i (58/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Realme 8i (72/100 vs 43/100).
portability
In the "portability" category, the Realme 8i and the Redmi K90 are nearly equal (57/100 vs 55/100).
Which is better: the Realme 8i or the Redmi K90?
The Redmi K90 significantly outperforms the Realme 8i by 33 points (76/100 vs 43/100).
What is the rating of the Realme 8i and the Redmi K90?
The Realme 8i has a MobileRank rating of 43/100, the Redmi K90 — 76/100.
Which has the better camera: the Realme 8i or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 32/100).
Which is more powerful: the Realme 8i or the Redmi K90?
The Redmi K90 leads on performance (92/100 vs 41/100).
Should you choose the Realme 8i over the Redmi K90?
The Realme 8i is a better fit for everyday use. The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.