Redmi K80 Ultra vs Xiaomi Redmi K90
Here you can compare Redmi K80 Ultra and Xiaomi Redmi K90. Comparing Redmi K80 Ultra vs Xiaomi Redmi K90 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Redmi K80 Ultra stands against Xiaomi Redmi K90 and which one should you buy The current lowest price found for Redmi K80 Ultra is ₹32,990 and for Xiaomi Redmi K90 is ₹35,990. The details of both of these products were last updated on Sep 04, 2026.
| Specification | Redmi K80 Ultra | Xiaomi Redmi K90 |
|---|---|---|
| RAM | 12 GB | 12 GB |
| Battery | 7410 mAh, Li-Po Battery | 7100 mAh |
| OS | Android v15 | Android v16 |
| CPU | 3.63 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Display | 6.83 inches, 1280 x 2772 pixels, 144 Hz | 6.59 inches, 1156 x 2510 pixels, 120 Hz |
| Price | ₹32,990 | ₹35,990 |
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Overview
| Specs Score | 72 / 100 | 76 / 100 Better Specs |
| Display Resolution | 1280 x 2772 pixels Better Resolution | 1156 x 2510 pixels |
| CPU Clock Speed | 3.63 GHz | 4.32 GHz Faster Clock Speed |
| Weight | 219 g | 206 g Lighter |
| Unique Features | Water Resistant No | No Reverse Charging |
General
| Model | K80 Ultra | K90 |
| 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 | June 26, 2025 | October 27, 2025 |
Design
| Dimensions | 77.9 x 163.1 x 8.2 mm | 75.25 x 157.49 x 8 mm |
| Weight | 219 g | 206 g |
| Colors | Gray, White, Blue, Green |
Display
| Type | Color OLED Screen (68.7 B) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes, 480 Hz Touch Sampling Rate |
| Size | 6.83 inches, 1280 x 2772 pixels, 144 Hz | 6.59 inches, 1156 x 2510 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 447 PPI | ~ 419 PPI |
| Screen to Body Ratio | ~ 90.2% | ~ 87.5% |
| Glass Type | Scratch/drop-resistant glass | |
| Brightness | 1800 nits (HBM), 3200 nits (peak) | 3500nits |
| HDR Support | Yes, HDR10+, Dolby Vision | |
| Features | Dolby Vision, HDR10+, HDR Vivid | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4.1 | UFS 4 |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28a/n38/n41/n77/n78 | n1/n3/n5/n7/n8/n28/n66/n38/n40/n41/n48/n77/n78 |
| VoLTE | Yes | 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 |
| USB | Yes, USB-C | 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. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyro, Proximity, Compass, Color Spectrum |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 2 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | No |
Camera
| Rear Camera | 50 MP ƒ/1.9 (Wide Angle) 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP (Ultra Wide) 119˚ (ultrawide), 1/4.0", 1.12µm | 50 MP (Wide Angle) 50 MP (Telephoto) 8 MP (Wide Angle) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Video Recording | 4K, 1080p | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD, 720p @ 1920 fps HD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 20 MP (Wide Angle) Punch Hole | 20 MP (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v15 | Android v16 |
| Custom UI | MIUI 15 | HyperOS 3 |
| Chipset | Mediatek Dimensity 9400 Plus | Qualcomm Snapdragon 8 Elite |
| CPU | 3.63 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Core Details | 1xCortex-X925@3.63 GHz & 3xCortex-X4@3.3 GHz & 4xCortex-A720@2.4 GHz | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz |
| GPU | Immortalis-G925 | 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 | 7410 mAh, Li-Po Battery | 7100 mAh |
| Fast Charging | Yes, 100W Fast charging | Yes, 100W Fast charging |
| Reverse Charging | Yes, 22.5W |
Discuss
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