Xiaomi Redmi K90 vs Xiaomi Redmi K90 Ultra
Quick Comparison
Both Xiaomi Redmi K90 and Xiaomi Redmi K90 Ultra comes with same RAM. In terms of display resolution, Xiaomi Redmi K90 Ultra has better resolution of 2772 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 | Xiaomi Redmi K90 Ultra |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.59 in | 6.83 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 7100 mAh | 8550 mAh |
| Camera | 50 MP + 50 MP + 8 MP Triple | 50 MP + 8 MP Dual |
| Price | Rs. 35990 | Rs. 59990 |
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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 June 30, 2026. The Expected cost of Xiaomi Redmi K90 Ultra is Rs. 59990.
Display comparison
Xiaomi Redmi K90 has screen size of 6.59 inches which falls short to Xiaomi Redmi K90 Ultra's 6.83 inch screen. There is AMOLED Screen Type in both the phones. Xiaomi Redmi K90 Ultra has display density of 447 PPI & Xiaomi Redmi K90 has only 419 PPI display density. In terms of screen to body ratio, Xiaomi Redmi K90 Ultra has better screen to body ratio of ~ 90.3% than Xiaomi Redmi K90's ~ 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. Both of them stand equal in terms of Front Camera Resolution as both have 20 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 16.
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Full Comparison
| Name | Xiaomi Redmi K90 | Xiaomi Redmi K90 Ultra |
| General | ||
| Model | K90 | 2604FRK1EC |
| 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 | June 30, 2026 |
| Design | ||
| Dimensions | 75.25 x 157.49 x 8 mm | 77.9 x 162.9 x 8.2 mm |
| Weight | 206 g | 227 g |
| Colors | Black, Blue, Silver | |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color AMOLED Screen (68 B) |
| Touch | Yes, 480 Hz Touch Sampling Rate | Yes |
| Size | 6.59 inches, 1156 x 2510 pixels, 120 Hz | 6.83 inches, 1280 x 2772 pixels, 165 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 419 PPI | ~ 447 PPI |
| Screen to Body Ratio | ~ 87.5% | ~ 90.3% |
| Brightness | 3500nits | 9500 nits (peak) |
| HDR Support | Yes, Dolby Vision, HDR Vivid, HDR10+ | |
| Adaptive Refresh Rate | Yes | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4 | UFS 4.1 |
| 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 | SA: n1/2/3/5/7/8/20/28/38/40/41/48/66*/77/78/79, NSA: n1/3/5/7/8/20/28/38/40/41/66*/77/78/79 |
| VoLTE | Yes | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.4, A2DP, LE, aptX HD |
| 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 | with GPS, Galileo, GLONASS, Beidou, NAVIC |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | Accelerometer, Proximity, Gyro, Compass |
| 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/1.7 (Wide Angle) 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm (ultrawide), 1/4.0", 1.12µm |
| 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 | 8K @ 30 fps UHD, 4K @ 60 fps UHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 20 MP (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v16 |
| Custom UI | HyperOS 3 | HyperOS 3 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| CPU | 4.32 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz |
| GPU | Adreno GPU | Adreno 830 (1200 MHz) |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB |
| Video | Yes | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7100 mAh | 8550 mAh, Li-Po Battery |
| Fast Charging | Yes, 100W Fast charging | Yes, 100W Fast Charging |
| Reverse Charging | Yes, 22.5W | Yes, 22.5W reverse wired |