ASUS Zenfone 8 vs Redmi K90 Max
The ASUS Zenfone 8 (2021) runs on the Qualcomm Snapdragon 888, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $599 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 74/100 vs 55/100 (a 19-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4000); the main camera is 64 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 1,119,714); the ASUS Zenfone 8 is noticeably lighter (169g vs 227g).
ASUS Zenfone 8
Redmi K90 Max
- Better main camera: 64MP vs 50MP
- Lighter: 169g vs 227g
- Better camera (43/100 vs 37/100)
- Better portability (68/100 vs 41/100)
- Higher AnTuTu: 3803420 vs 1119714
- Better Geekbench Single: 3228 vs 1488
- Better Geekbench Multi: 9553 vs 3373
- Bigger battery: 8550 vs 4000 mAh
- Faster charging: 100W vs 30W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $504 vs $599
- Higher performance (95/100 vs 63/100)
- Longer battery life (78/100 vs 29/100)
- Better display (94/100 vs 84/100)
Comparing the ASUS Zenfone 8 vs the Redmi K90 Max, the Redmi K90 Max scores 19 points higher (74/100 vs 55/100). In the "performance" category, the Redmi K90 Max leads (95/100 vs 63/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 29/100). Value score: ASUS Zenfone 8 — 22/100, Redmi K90 Max — 74/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Max significantly outperforms the ASUS Zenfone 8 (95/100 vs 63/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 84/100). In the "camera" category, the ASUS Zenfone 8 is a bit better (43/100 vs 37/100). In the "battery" category, the Redmi K90 Max significantly outperforms the ASUS Zenfone 8 (78/100 vs 29/100). In the "portability" category, the ASUS Zenfone 8 notably outperforms the Redmi K90 Max (68/100 vs 41/100).
| Specification | ASUS Zenfone 8 | Redmi K90 Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | MediaTek Dimensity 9500 | |
| AnTuTu | 1119714 | 3803420 | |
| Geekbench Single | 1488 | 3228 | |
| Geekbench Multi | 3373 | 9553 | |
| Display | 5.9" Super AMOLED | 6.8" AMOLED | |
| Resolution | 2400x1080 | 2772x1280 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 4000 mAh | 8550 mAh | |
| Charging | 30W | 100W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 12 MP | 8 MP | |
| Front camera | 12 MP | 20 MP | |
| RAM | 6GB / 8GB / 12GB / 16GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 / ZenUI | Android 16 | |
| Brightness (peak) | 1100 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP66 | |
| Dimensions | 148.0×68.5×8.9 mm | 162.9×77.9×8.1 mm | |
| Weight | 169 g | 227 g | |
| Launch price | $599 | $504 |
ASUS Zenfone 8
- Main: 64MP f/f/1.8
- Ultrawide: 12MP
- Front: 12MP
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
ASUS Zenfone 8
- 5.9" Super AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
ASUS Zenfone 8
- 4000 mAh
- Wired: 30W
- Wireless charging: no data
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared ASUS Zenfone 8 and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads ASUS Zenfone 8 by 70.6% in our overall performance rating.
Launch price difference: $95. Redmi K90 Max was $95 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Max significantly outperforms the ASUS Zenfone 8 (95/100 vs 63/100).
display
In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the ASUS Zenfone 8 is a bit better (43/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the ASUS Zenfone 8 (78/100 vs 29/100).
portability
In the "portability" category, the ASUS Zenfone 8 notably outperforms the Redmi K90 Max (68/100 vs 41/100).
Which is better: the ASUS Zenfone 8 or the Redmi K90 Max?
The Redmi K90 Max is noticeably better than the ASUS Zenfone 8 — the overall rating gap is 19 points.
What is the rating of the ASUS Zenfone 8 and the Redmi K90 Max?
The ASUS Zenfone 8 has a MobileRank rating of 55/100, the Redmi K90 Max — 74/100.
Which has the better camera: the ASUS Zenfone 8 or the Redmi K90 Max?
The ASUS Zenfone 8 leads on camera score (43/100 vs 37/100).
Which is more powerful: the ASUS Zenfone 8 or the Redmi K90 Max?
The Redmi K90 Max leads on performance (95/100 vs 63/100).
Should you choose the ASUS Zenfone 8 over the Redmi K90 Max?
The ASUS Zenfone 8 is a better fit for active users. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.