Side-by-side technical data
Realme GT8 vs Xiaomi Redmi K90 Ultra
Comparison between Realme GT8 and Xiaomi Redmi K90 Ultra: camera, battery, fast charging, display, performance and colors, side by side. More phones from Realme and Xiaomi.
The verdict
Your pick: Xiaomi Redmi K90 Ultra, ahead on Design & display and Battery & charging. Unless Camera decides it for you.
| Category | GT8 | Redmi K90 Ultra |
|---|---|---|
| Design & display | 8.3 | 8.6 |
| Performance & hardware | 9.2 | 9.1 |
| Camera | 8.3 | 7.4 |
| Connectivity | 8.0 | 7.9 |
| Battery & charging | 7.4 | 8.3 |
Which one is for you?
Realme GT8, if you care about…
- AnTuTu Score
- 3,322,942
- against 3,081,184
- Bluetooth Version
- Bluetooth 6.0
- against Bluetooth 5.4
- Display Pixel Density
- 508 ppi
- against 447 ppi
- Weight
- 214 g
- against 227 g
Xiaomi Redmi K90 Ultra, if you care about…
- Battery Capacity
- 8,550 mAh
- against 7,000 mAh
- Display Refresh Rate
- 165 Hz
- against 144 Hz
- Peak Display Brightness
- 9,500 nits
- against 7,000 nits
- Battery Features
- Non-Removable, Fast Charging, Reverse Charging, Reverse Wireless Charging, Rechargeable, Battery Level Indicator
- against Fast Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator, Charger Included
Specification comparison
Performance
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| Processor Process Size | 3 nm | 3 nm |
| Graphics GPU | Qualcomm Adreno 830 | Qualcomm Adreno 830 |
| Storage Type | UFS 4.0 | UFS 4.1 |
| Maximum CPU Clock | 4.32 GHz | 4.32 GHz |
| Maximum Storage Capacity | 1 TB | 1 TB |
| AnTuTu Score | 3,322,942 Best value | 3,081,184 |
| Geekbench 6 Single-Core | 3,234 | 3,234 |
| Geekbench 6 Multi-Core | 10,059 | 10,059 |
| CPU Description | Octa-core CPU with 2x4.32 GHz Oryon V2 Phoenix L and 6x3.53 GHz Oryon V2 Phoenix M. | Octa-core CPU with 2x4.32 GHz and 6x3.53 GHz cores |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 16 GB | 16 GB |
| RAM Type | LPDDR5X | LPDDR5X |
| AnTuTu version | v11 | v11 |
Design
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Body Colors | Blue, Green, White, Black, Purple | Black, Blue, Silver |
| Body Thickness | 8.2 mm | 8.2 mm |
| Body Width | 76.9 mm | 77.9 mm |
| Body Height | 161.8 mm | 162.9 mm |
| Weight | 214 g Best value | 227 g |
| Usable Surface | 90.7 % Best value | 90.3 % |
| Body Materials | Glass, Aluminium Alloy, Polycarbonate | Glass, Aluminium Alloy |
| Resistance Features | IP68, IP69 | IP68, IP69, IP66 |
| Waterproof Depth | 2 m Best value | 1.5 m |
Battery
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Battery Capacity | 7,000 mAh | 8,550 mAh Best value |
| Battery Type | Si-Carbon Li-Ion | Si-Carbon Li-Ion |
| Fast Charge Power | 100 W | 100 W |
| Battery Features | Fast Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator, Charger Included | Non-Removable, Fast Charging, Reverse Charging, Reverse Wireless Charging, Rechargeable, Battery Level Indicator Best value |
| Reverse wireless charging power | — | 22.5 W |
Display
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 |
| Display Technology | AMOLED | AMOLED |
| Peak Display Brightness | 7,000 nits | 9,500 nits Best value |
| Display Diagonal | 6.79″ | 6.83″ Best value |
| Display Horizontal Resolution | 1,440 px Best value | 1,280 px |
| Display Vertical Resolution | 3,136 px Best value | 2,772 px |
| Display Pixel Density | 508 ppi Best value | 447 ppi |
| Display Refresh Rate | 144 Hz | 165 Hz Best value |
| Touch Sampling Rate | 360 Hz | 480 Hz Best value |
| Display Contrast Ratio | — | 8,000,000 :1 |
| Display Features | Hole-Punch Notch, HDR10, Always-On Display, Variable Refresh Rate, LTPO, DC Dimming, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, One Billion Colors, DCI-P3, Crystal Guard | Hole-Punch Notch, HDR10, HDR10+, Dolby Vision, Always-On Display, Capacitive Touch, Multi-Touch, Gorilla Glass, DC Dimming, DCI-P3, TÜV Rheinland Low Blue Light, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Eye Comfort Certification, Scratch Resistant, Frameless |
Sensors
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display |
Sensor
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Ultrasonic Proximity Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Hall Sensor, Light Sensor, RGB Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Proximity Sensor, Gyroscope, Compass, Hall Sensor, Light Sensor, RGB Sensor, Cooling System |
Software
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Operating System | Android 16 | Android 16 |
| OS Family | Android | Android |
| OS Version | 16 | 16 |
| OS Update Support | 5 years | — |
Connectivity
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n18, 5G NR n20, 5G NR n26, 5G NR n28a, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n66, 5G NR n77, 5G NR n78, 5G NR n79, 5G NR n80, 5G NR n84 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B19, 4G LTE B28A, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28a, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n66, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, LTE, 5G | GSM, HSPA, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be), Wi-Fi 802.11a/b/g |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 6.0 Best value | Bluetooth 5.4 |
| Bluetooth Profiles | A2DP, LE, aptX HD | A2DP, LE, LHDC 5.0, ASHA, Auracast |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value |
| Connectivity Features | Infrared, NFC, USB Type-C, USB OTG, USB Charging, USB Mass Storage, USB Host 2.0, USB Host, Computer Sync, OTA Sync, Tethering, VoLTE | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE |
| USB Version | microUSB | USB 3.2 |
| Max. download speed | 10,000 Mbps | 10,000 Mbps |
| Max. upload speed | 3,500 Mbps | 3,500 Mbps |
Audio
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Audio Features | Stereo Speakers, Hi-Res Audio, Noise-Cancellation Microphone, A2DP, LE, aptX HD, LHDC 5 | Stereo Speakers, Dolby Atmos, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, LHDC 5, ASHA, Auracast |
Technical
| Specification | GT8 | Redmi K90 Ultra |
|---|---|---|
| Model numbers | — | 2604FRK1EC |
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