Redmi K90 vs Vivo X100s
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X100s (2024) runs on the MediaTek Dimensity 9300+; estimated prices are $401 and $699. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 63/100 (a 5-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5100); the Redmi K90 is faster in AnTuTu (3,088,357 vs 2,351,914).
Redmi K90
Vivo X100s
- Higher AnTuTu: 3088357 vs 2351914
- Better Geekbench Single: 3050 vs 2250
- Better Geekbench Multi: 9300 vs 7315
- Bigger battery: 7100 vs 5100 mAh
- Cheaper: $401 vs $699
- Higher performance (69/100 vs 46/100)
- Longer battery life (71/100 vs 59/100)
- Better value for money (82/100 vs 62/100)
- Lighter: 203g vs 206g
- Better camera (80/100 vs 53/100)
- Better design/ergonomics (46/100 vs 42/100)
Comparing the Redmi K90 vs the Vivo X100s, the Redmi K90 scores 5 points higher (68/100 vs 63/100). In the "performance" category, the Redmi K90 leads (69/100 vs 46/100). In the "camera" category, the Vivo X100s leads (80/100 vs 53/100). In the "battery" category, the Redmi K90 leads (71/100 vs 59/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 62/100). In the "performance" category, the Redmi K90 notably outperforms the Vivo X100s (69/100 vs 46/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo X100s notably outperforms the Redmi K90 (80/100 vs 53/100). In the "battery" category, the Redmi K90 is a bit better (71/100 vs 59/100). In the "design" category, the Vivo X100s and the Redmi K90 are nearly equal (46/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Vivo X100s (82/100 vs 62/100).
| Specification | Redmi K90 | Vivo X100s | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 9300+ | |
| AnTuTu | 3088357 | 2351914 | |
| Geekbench Single | 3050 | 2250 | |
| Geekbench Multi | 9300 | 7315 | |
| Display | 6.6" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2510x1156 | 1260x2800 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 5100 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 50 MP | 64 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14, OriginOS 4 | |
| Brightness (peak) | 3500 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 157.5×75.3×8.0 mm | 163.1×75.8×7.8 mm | |
| Weight | 206 g | 203 g | |
| Price | $401 | $699 |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Vivo X100s
- Main: 50MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 64MP
- Front: 32MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Vivo X100s
- 6.8" LTPO AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Vivo X100s
- 5100 mAh
- Wired: 100W
- No wireless charging
We compared Redmi K90 and Vivo X100s, covering their specs and all relevant benchmarks.
Redmi K90 leads Vivo X100s by 31.3% in our overall performance rating.
Price difference: $298. Redmi K90 is cheaper by $298.
performance
In the "performance" category, the Redmi K90 notably outperforms the Vivo X100s (69/100 vs 46/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo X100s notably outperforms the Redmi K90 (80/100 vs 53/100).
battery
In the "battery" category, the Redmi K90 is a bit better (71/100 vs 59/100).
design
In the "design" category, the Vivo X100s and the Redmi K90 are nearly equal (46/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Vivo X100s (82/100 vs 62/100).
Which is better: the Redmi K90 or the Vivo X100s?
The Redmi K90 edges out the Vivo X100s by just 5 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 and the Vivo X100s?
The Redmi K90 has a MobileRank rating of 68/100, the Vivo X100s — 63/100.
Which has the better camera: the Redmi K90 or the Vivo X100s?
The Vivo X100s leads on camera score (80/100 vs 53/100).
Which is more powerful: the Redmi K90 or the Vivo X100s?
The Redmi K90 leads on performance (69/100 vs 46/100).
Should you choose the Redmi K90 over the Vivo X100s?
The Redmi K90 is a better fit for active users, budget-conscious buyers. The Vivo X100s is a better fit for mobile photography enthusiasts.