Xiaomi Redmi K90 vs OnePlus Ace 6 Ultra
Here you can compare Xiaomi Redmi K90 and OnePlus Ace 6 Ultra. Comparing Xiaomi Redmi K90 vs OnePlus Ace 6 Ultra on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi Redmi K90 stands against OnePlus Ace 6 Ultra and which one should you buy The current lowest price found for Xiaomi Redmi K90 is ₹35,990 and for OnePlus Ace 6 Ultra is ₹39,990. The details of both of these products were last updated on Dec 10, 2025.
| Specification | Xiaomi Redmi K90 | OnePlus Ace 6 Ultra |
|---|---|---|
| CPU | 4.32 GHz, Octa Core Processor | Octa Core Processor |
| RAM | 12 GB | 12 GB |
| Battery | 7100 mAh | 7000 mAh, Si/C |
| Display | 6.59 inches, 1156 x 2510 pixels, 120 Hz | 6.78 inches, 144 Hz |
| OS | Android v16 | Android v15 |
| Price | ₹35,990 | ₹39,990 |
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Overview
| Specs Score | 85 / 100 Better Specs | 73 / 100 |
| Display Resolution | 1156 x 2510 pixels Better Resolution | |
| CPU Clock Speed | 4.32 GHz Faster Clock Speed | |
| Front Camera | 20 MP | 32 MP Better Front Camera Resolution |
| Weight | 206 g Lighter | |
| Thickness | 8 mm Slimmer | |
| Unique Features | No | Water Resistant |
General
| Model | K90 | Ace 6 Ultra |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | October 27, 2025 |
Design
| Dimensions | 75.25 x 157.49 x 8 mm | |
| Weight | 206 g | |
| Bezel less | No |
Display
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (1B Colors) |
| Touch | Yes, 480 Hz Touch Sampling Rate | Yes |
| Size | 6.59 inches, 1156 x 2510 pixels, 120 Hz | 6.78 inches, 144 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 419 PPI | |
| Screen to Body Ratio | ~ 87.5% | ~ 90.8% |
| Brightness | 3500nits | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4 | UFS |
| Card Slot | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n7/n8/n28/n66/n38/n40/n41/n48/n77/n78 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes |
| USB | Yes, USB-C v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
Extra
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | Yes with A-GPS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| Dust Resistant | No | Yes |
Camera
| Rear Camera | 50 MP (Wide Angle) 50 MP (Telephoto) 8 MP (Wide Angle) | 50 MP (Wide Angle) 50 MP (Ultra Wide) |
| Camera Sensor | Sony IMX906 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Color spectrum sensor, HDR, panorama | |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 1920 fps HD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 32 MP (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v16 | Android v15 |
| Custom UI | HyperOS 3 | |
| Chipset | Qualcomm Snapdragon 8 Elite | |
| CPU | 4.32 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | |
| GPU | Adreno GPU | |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7100 mAh | 7000 mAh, Si/C |
| Fast Charging | Yes, 100W Fast charging | Yes, 100W SUPERVOOC Charging |
| Reverse Charging | Yes, 22.5W | Yes, 7.5W |
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