Xiaomi Redmi K90 vs Xiaomi Redmi Note 15
Quick Comparison
Xiaomi Redmi K90 has better RAM than Xiaomi Redmi Note 15. In terms of display resolution, Xiaomi Redmi K90 has better resolution of 2510 x 1156 than Xiaomi Redmi Note 15 which has resolution of 2392 x 1080. Xiaomi Redmi K90 has more internal memory than Xiaomi Redmi Note 15
| Name | Xiaomi Redmi K90 | Xiaomi Redmi Note 15 |
| RAM | 12 GB | 6 GB |
|---|---|---|
| Display | 6.59 in | 6.77 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7100 mAh | 5800 mAh |
| Camera | 50 MP + 50 MP + 8 MP Triple | 50 MP + 2 MP Dual |
| Price | Rs. 35990 | Rs. 17999 |
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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 August 21, 2025. The Expected cost of Xiaomi Redmi Note 15 is Rs. 17999.
Display comparison
Xiaomi Redmi Note 15 has larger screen size of 6.77 inches in comparison to Xiaomi Redmi K90's 6.59 inch screen. Both the phones have AMOLED Screen Type. Xiaomi Redmi K90 has display density of 419 PPI & Xiaomi Redmi Note 15 has only 388 PPI display density. In terms of screen to body ratio, Xiaomi Redmi Note 15 has better screen to body ratio of ~ 89.1% than Xiaomi Redmi K90's ~ 87.5%. Xiaomi Redmi K90 has 20:9 aspect ratio where as Xiaomi Redmi Note 15 has 20.5:9 aspect ratio.
Memory comparison
Xiaomi Redmi K90's larger 12 GB RAM is better for playing games and all with respect to Xiaomi Redmi Note 15's lower 6 GB RAM. Xiaomi Redmi K90 has more Internal Memory (256 GB) than Xiaomi Redmi Note 15 (128 GB).
Camera comparison
They both have the same 50 MP + 50 MP + 8 MP Triple Rear Camera. Xiaomi Redmi K90 will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Xiaomi Redmi Note 15's 8 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 | Xiaomi Redmi Note 15 |
| General | ||
| Model | K90 | Redmi Note 15 |
| 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 | August 21, 2025 |
| Design | ||
| Dimensions | 75.25 x 157.49 x 8 mm | 75.4 x 165 x 7.4 mm |
| Weight | 206 g | 178 g |
| Colors | Midnight Black, Star White, Sky Blue | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (68B) |
| Touch | Yes, 480 Hz Touch Sampling Rate | Yes |
| Size | 6.59 inches, 1156 x 2510 pixels, 120 Hz | 6.77 inches, 1080 x 2392 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20.5:9 |
| PPI | ~ 419 PPI | ~ 388 PPI |
| Screen to Body Ratio | ~ 87.5% | ~ 89.1% |
| Glass Type | Xiaomi Dragon Crystal Glass | |
| Brightness | 3500nits | 3200 nits (peak) |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 6 GB |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4 | |
| Card Slot | Yes, upto 1 TB | |
| 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 |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.1, A2DP, LE |
| 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 | Yes |
| Extra | ||
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | Accelerometer, Gyro, Compass, Proximity |
| 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 |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 50 MP (Telephoto) 8 MP (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) 2 MP (Depth Sensor) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 1920 fps HD | 1080p |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 8 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 | MIUI15 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 6 Gen3 |
| CPU | 4.32 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | 2xCortex-A76@2.2 GHz & 6x Cortex-A55@2.0 GHz |
| GPU | Adreno GPU | Adreno 710 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, AMR, FLAC, APE |
| Video | Yes | MP4, M4V, MKV, XVID |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7100 mAh | 5800 mAh |
| Fast Charging | Yes, 100W Fast charging | Yes, 45W Fast Charging |
| Reverse Charging | Yes, 22.5W | Yes |