Xiaomi Redmi K90 vs Oppo F31 Pro Plus 5G
Quick Comparison
Xiaomi Redmi K90 has better RAM than Oppo F31 Pro Plus 5G. In terms of display resolution, Oppo F31 Pro Plus 5G has better resolution of 2800 x 1280 than Xiaomi Redmi K90 which has resolution of 2510 x 1156. Both have the same amount of internal memory.
| Name | Xiaomi Redmi K90 | Oppo F31 Pro Plus 5G |
| RAM | 12 GB | 8 GB |
|---|---|---|
| Display | 6.59 in | 6.8 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 7100 mAh | 7000 mAh |
| Camera | 50 MP + 50 MP + 8 MP Triple | 50 MP + 2 MP Dual |
| Price | Rs. 35990 | Rs. 32999 |
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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 September 15, 2025. The cost of Oppo F31 Pro Plus 5G is Rs. 32999.
Display comparison
Oppo F31 Pro Plus 5G has larger screen size of 6.8 inches in comparison to Xiaomi Redmi K90's 6.59 inch screen. Both the phones have AMOLED Screen Type. OPPO's phone has display density of 453 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 ~ 93.5% than Xiaomi's phone ~ 87.5%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
Xiaomi Redmi K90's larger 12 GB RAM is better for playing games and all with respect to Oppo F31 Pro Plus 5G's lower 8 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 F31 Pro Plus 5G 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 15 version.
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Full Comparison
| Name | Xiaomi Redmi K90 | Oppo F31 Pro Plus 5G |
| General | ||
| Model | K90 | CPH2757 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.16 W/kg (Head) 0.99 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | October 27, 2025 | September 15, 2025 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Protective Case x 1 | |
| Design | ||
| Dimensions | 75.25 x 157.49 x 8 mm | 77.6 x 163.1 x 7.7 mm |
| Weight | 206 g | 195 g |
| Colors | Festival Pink | Himalayan White | Gemstone Blue | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (1.07 B) |
| Touch | Yes, 480 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.59 inches, 1156 x 2510 pixels, 120 Hz | 6.8 inches, 1280 x 2800 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 419 PPI | ~ 453 PPI |
| Screen to Body Ratio | ~ 87.5% | ~ 93.5% |
| Glass Type | Corning Gorilla Glass Victus 2 | |
| Brightness | 3500nits | Normal brightness: 600nits (Typical), HBM: 1600nits (Typical) |
| Features | Vivid mode: 100% DCI-P3, Natural mode: 100% sRGB | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4 | UFS 3.1 |
| 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 | 5G NR: n1/n3/n5/n8/n28B/n38/n40/n41/n77/n78 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | WLAN 2.4G Supported, WLAN 5G Supported, Wi-Fi 5 (802.11ac) Supported, Wi-Fi 6 (802.11ax) Supported, 802.11a/b/g/n Supported, Wi-Fi Display Supported, WLAN Tethering Supported |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.2, SBC, AAC, LDAC, aptX, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | Dual band: GPS (L1+L5), GLONASS (G1), BDS (B1I+B1C+B2a), Galileo (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | Proximity, Ambient light, Color temperature, E-compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | |
| AI Features | AI Eraser 2.0, AI Perfect Shot, AI Group Photo Composer, AI Recompose, AI VoiceScribe, AI Call Assistant, AI Assistant for Notes, Google Gemini | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP69 + IP68 + IP66 | |
| Dust Resistant | No | Yes |
| Extra Features | Network Boost Chip S1, Beacon Link 2.0, Glove Touch, Anti-Spam Call Blocker OPPO Dialer | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 50 MP (Telephoto) 8 MP (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) FOV 76°; 5P lens; AF Supported; Supports 2-axis OIS 2 MP ƒ/2.4 (Ultra Wide) FOV 89°; 3P lens |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, SLO-MO, DUAL-VIEW VIDEO, TIME-LAPSE, STICKER, HI-RES, Google Lens, Underwater, PRO, DOC SCANNER | |
| 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 @ 60 fps FHD, 720p @ 60 fps HD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 32 MP ƒ/2.4 (Wide Angle) FOV 82°; 5P lens Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | HyperOS 3 | ColorOS 15 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7 Gen3 |
| CPU | 4.32 GHz, Octa Core Processor | 2.63 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | 1xPrime Core@2.63 GHz & 3xPerformance Cores@2.4 GHz& 4xEfficiency cores@1.8 GHz |
| GPU | Adreno GPU | Adreno 720 |
| 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 |
| Fast Charging | Yes, 100W Fast charging | Yes, 80W SuperVOOC Charging |
| Reverse Charging | Yes, 22.5W | Yes |