ASUS Zenfone 6 ZS630KL vs Redmi K90
The ASUS Zenfone 6 ZS630KL (2019) runs on the Qualcomm Snapdragon 855, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $499 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 47/100 (a 29-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 48 MP vs 50 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 824,513); the ASUS Zenfone 6 ZS630KL is noticeably lighter (190g vs 206g).
Profile comparison
Category scores
ASUS Zenfone 6 ZS630KL
Redmi K90
What makes ASUS Zenfone 6 ZS630KL better?
- Lighter: 190g vs 206g
- Overall rating 47/100
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 824513
- Better Geekbench Single: 3013 vs 968
- Better Geekbench Multi: 9287 vs 2731
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Cheaper at launch: $401 vs $499
- Higher performance (91/100 vs 54/100)
- Better camera (58/100 vs 44/100)
- Longer battery life (72/100 vs 43/100)
- Better display (82/100 vs 43/100)
- Better portability (55/100 vs 52/100)
Comparison verdict
Comparing the ASUS Zenfone 6 ZS630KL vs the Redmi K90, the Redmi K90 scores 29 points higher (76/100 vs 47/100). In the "performance" category, the Redmi K90 leads (91/100 vs 54/100). In the "camera" category, the Redmi K90 leads (58/100 vs 44/100). In the "battery" category, the Redmi K90 leads (72/100 vs 43/100). Value score: ASUS Zenfone 6 ZS630KL — 16/100, Redmi K90 — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 significantly outperforms the ASUS Zenfone 6 ZS630KL (91/100 vs 54/100). In the "display" category, the Redmi K90 significantly outperforms the ASUS Zenfone 6 ZS630KL (82/100 vs 43/100). In the "camera" category, the Redmi K90 is a bit better (58/100 vs 44/100). In the "battery" category, the Redmi K90 notably outperforms the ASUS Zenfone 6 ZS630KL (72/100 vs 43/100). In the "portability" category, the Redmi K90 and the ASUS Zenfone 6 ZS630KL are nearly equal (55/100 vs 52/100).
Specs comparison
| Specification | ASUS Zenfone 6 ZS630KL | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 824513 | 3077585 | |
| Geekbench Single | 968 | 3013 | |
| Geekbench Multi | 2731 | 9287 | |
| Display | 6.4" IPS LCD | 6.6" AMOLED | |
| Resolution | 1080x2340 | 2510x1156 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5000 mAh | 7100 mAh | |
| Charging | 18W | 100W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 48 MP | 20 MP | |
| RAM | 6GB / 8GB / 12GB | 12GB / 16GB | |
| Storage | 64GB / 128GB / 256GB / 512GB | 256GB / 512GB | |
| OS | Android 9.0 / ZenUI | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 159.1×75.4×9.2 mm | 157.5×75.3×8.0 mm | |
| Weight | 190 g | 206 g | |
| Launch price | $499 | $401 |
Camera comparison
ASUS Zenfone 6 ZS630KL
- Main: 48MP f/1.8
- Ultrawide: 13MP
- Front: 48MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
ASUS Zenfone 6 ZS630KL
- 6.4" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 60 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
ASUS Zenfone 6 ZS630KL
- 5000 mAh
- Wired: 18W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared ASUS Zenfone 6 ZS630KL and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads ASUS Zenfone 6 ZS630KL by 73.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $98. Redmi K90 was $98 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the ASUS Zenfone 6 ZS630KL (91/100 vs 54/100).
display
In the "display" category, the Redmi K90 significantly outperforms the ASUS Zenfone 6 ZS630KL (82/100 vs 43/100).
camera
In the "camera" category, the Redmi K90 is a bit better (58/100 vs 44/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the ASUS Zenfone 6 ZS630KL (72/100 vs 43/100).
portability
In the "portability" category, the Redmi K90 and the ASUS Zenfone 6 ZS630KL are nearly equal (55/100 vs 52/100).
Frequently asked questions
Which is better: the ASUS Zenfone 6 ZS630KL or the Redmi K90?
The Redmi K90 significantly outperforms the ASUS Zenfone 6 ZS630KL by 29 points (76/100 vs 47/100).
What is the rating of the ASUS Zenfone 6 ZS630KL and the Redmi K90?
The ASUS Zenfone 6 ZS630KL has a MobileRank rating of 47/100, the Redmi K90 — 76/100.
Which has the better camera: the ASUS Zenfone 6 ZS630KL or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 44/100).
Which is more powerful: the ASUS Zenfone 6 ZS630KL or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 54/100).
Should you choose the ASUS Zenfone 6 ZS630KL over the Redmi K90?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.