Xiaomi Redmi K90 vs Oppo Find X7 Ultra
Quick Comparison
Both Xiaomi Redmi K90 and Oppo Find X7 Ultra comes with same RAM. In terms of display resolution, Oppo Find X7 Ultra has better resolution of 3168 x 1440 than Xiaomi Redmi K90 which has resolution of 2510 x 1156. Both have the same amount of internal memory.
| Name | Xiaomi Redmi K90 | Oppo Find X7 Ultra |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.59 in | 6.82 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 7100 mAh | 5000 mAh |
| Camera | 50 MP + 50 MP + 8 MP Triple | 50 MP Quad |
| Price | Rs. 35990 | Rs. 69990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 27, 2025. The Expected cost of Xiaomi Redmi K90 is Rs. 35990. The launch Date of the second phone is January 08, 2024. The Expected cost of Oppo Find X7 Ultra is Rs. 69990.
Display comparison
Oppo Find X7 Ultra has larger screen size of 6.82 inches in comparison to Xiaomi Redmi K90's 6.59 inch screen. Xiaomi Redmi K90 has AMOLED Screen type where as Oppo Find X7 Ultra has LTPO AMOLED Screen type. OPPO's phone has display density of 510 PPI & Xiaomi's phone has only 419 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 90.3% than Xiaomi's phone ~ 87.5%. Both phones have same aspect ratio of 20:9.
Memory comparison
Both phones come with 12 GB RAM and both have same Internal Memory of 256 GB.
Camera comparison
They both have the same 50 MP + 50 MP + 8 MP Triple Rear Camera. Oppo Find X7 Ultra will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Redmi K90's 20 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 14 version.
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Full Comparison
| Name | Xiaomi Redmi K90 | Oppo Find X7 Ultra |
| General | ||
| Model | K90 | Find X7 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 | January 08, 2024 |
| Design | ||
| Dimensions | 75.25 x 157.49 x 8 mm | 76.2 x 164.3 x 9.5 mm |
| Weight | 206 g | 221 g |
| Bezel less | Yes | |
| Colors | Ocean Blue, Sepia Brown, Tailored Black | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes, 480 Hz Touch Sampling Rate | Yes |
| Size | 6.59 inches, 1156 x 2510 pixels, 120 Hz | 6.82 inches, 1440 x 3168 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 419 PPI | ~ 510 PPI |
| Screen to Body Ratio | ~ 87.5% | ~ 90.3% |
| Glass Type | Corning Gorilla Glass Victus 2 | |
| Brightness | 3500nits | |
| HDR Support | Yes, HDR10+, Dolby Vision | |
| Adaptive Refresh Rate | Yes, LTPO | |
| Features | Dolby Vision, HDR10+, 1600 nits (typ), 2600 nits (HBM), 4500 nits (peak), ProXDR, TÜV Rheinland Eye Comfort | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4 | UFS 4 |
| 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 | SA: n1, n2, n3, n5, n7, n8, n20, n28A, n38, n40, n41, n66, n77, n78, n79, 5G NSA: n40, n41, n77, n78, n79 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | Wi-Fi 7 (802.11be), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), 802.11a/b/g/n/ |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.4, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Performance | ||
| Camera Score | 157 (DxOMark) | |
| Extra | ||
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | Accelerometer, Gyro, Proximity, Compass, Color Spectrum |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP68 | |
| Dust Resistant | No | Yes |
| Extra Features | Rain Water Touch, LPDDR5X RAM | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 50 MP (Telephoto) 8 MP (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) 50 MP ƒ/2.6 (Telephoto) 50 MP ƒ/4.3 (Telephoto) 50 MP ƒ/2 (Ultra Wide) |
| Camera Sensor | Sony LYT-900 (50MP Wide Camera), Sony LYT-600 (50MP Ultra-Wide), Sony IMX890 (50MP 3x Periscope Telephoto), Sony IMX858 (50MP 6x Periscope) | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Hasselblad Color Calibration, HDR, Panorama | |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 1920 fps HD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 32 MP ƒ/2.4 (Wide Angle) Sony LYT-506, 21mm Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v14 |
| Custom UI | HyperOS 3 | ColorOS 14. |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen3 |
| CPU | 4.32 GHz, Octa Core Processor | 3.3 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | 1xPrime Core@ 3.3 GHz & 5xPerformance Cores@3.2 GHz & 2xEfficiency Cores@2.3 GHz |
| GPU | Adreno GPU | Adreno 750 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| 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 | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast charging | Yes, 100W Fast Charging |
| Wireless Charging | Yes, 50W | |
| Reverse Charging | Yes, 22.5W | Yes |
| Reverse Wireless Charging | Yes, 10W | |