ASUS Asus Zenfone 12 Ultra vs Redmi K90
The ASUS Asus Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 62/100 (a 6-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5500); the Redmi K90 is faster in AnTuTu (3,088,357 vs 2,760,000).
ASUS Asus Zenfone 12 Ultra
Redmi K90
- Higher refresh rate: 144Hz vs 120Hz
- Overall rating 62/100
- Higher AnTuTu: 3088357 vs 2760000
- Bigger battery: 7100 vs 5500 mAh
- Faster charging: 100W vs 65W
- Lighter: 206g vs 220g
- Higher performance (69/100 vs 65/100)
- Better camera (53/100 vs 52/100)
- Longer battery life (71/100 vs 57/100)
- Better design/ergonomics (42/100 vs 25/100)
- Better value for money (82/100 vs 55/100)
Comparing the ASUS Asus Zenfone 12 Ultra vs the Redmi K90, the Redmi K90 scores 6 points higher (68/100 vs 62/100). In the "battery" category, the Redmi K90 leads (71/100 vs 57/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 and the ASUS Asus Zenfone 12 Ultra are nearly equal (69/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Redmi K90 and the ASUS Asus Zenfone 12 Ultra are nearly equal (53/100 vs 52/100). In the "battery" category, the Redmi K90 is a bit better (71/100 vs 57/100). In the "design" category, the Redmi K90 notably outperforms the ASUS Asus Zenfone 12 Ultra (42/100 vs 25/100). In the "value for money" category, the Redmi K90 notably outperforms the ASUS Asus Zenfone 12 Ultra (82/100 vs 55/100).
| Specification | ASUS Asus Zenfone 12 Ultra | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2760000 | 3088357 | |
| Geekbench Single | 3050 | 3050 | |
| Geekbench Multi | 9300 | 9300 | |
| Display | 6.8" LTPO AMOLED | 6.6" AMOLED | |
| Resolution | 1080x2400 | 2510x1156 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 5500 mAh | 7100 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 32 MP | 50 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15, up to 2 major Android upgrades | Android 16 | |
| Brightness (peak) | 2500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.8×77.0×8.9 mm | 157.5×75.3×8.0 mm | |
| Weight | 220 g | 206 g | |
| Price | — | $401 |
ASUS Asus Zenfone 12 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
ASUS Asus Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1080x2400
- Refresh rate: 144 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
ASUS Asus Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared ASUS Asus Zenfone 12 Ultra and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads ASUS Asus Zenfone 12 Ultra by 10.6% in our overall performance rating.
ASUS Asus Zenfone 12 Ultra
Price unknownperformance
In the "performance" category, the Redmi K90 and the ASUS Asus Zenfone 12 Ultra are nearly equal (69/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Redmi K90 and the ASUS Asus Zenfone 12 Ultra are nearly equal (53/100 vs 52/100).
battery
In the "battery" category, the Redmi K90 is a bit better (71/100 vs 57/100).
design
In the "design" category, the Redmi K90 notably outperforms the ASUS Asus Zenfone 12 Ultra (42/100 vs 25/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the ASUS Asus Zenfone 12 Ultra (82/100 vs 55/100).
Which is better: the ASUS Asus Zenfone 12 Ultra or the Redmi K90?
The Redmi K90 edges out the ASUS Asus Zenfone 12 Ultra by just 6 points — the two devices are very close in overall level.
What is the rating of the ASUS Asus Zenfone 12 Ultra and the Redmi K90?
The ASUS Asus Zenfone 12 Ultra has a MobileRank rating of 62/100, the Redmi K90 — 68/100.
Should you choose the ASUS Asus Zenfone 12 Ultra over the Redmi K90?
The ASUS Asus Zenfone 12 Ultra is a better fit for active users. The Redmi K90 is a better fit for active users, budget-conscious buyers.