Side-by-side technical data
Xiaomi Redmi K90 Ultra vs vivo X300 E
Comparison between Xiaomi Redmi K90 Ultra and vivo X300 E: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi and vivo.
The verdict
Neither runs away with it: each wins something.
| Category | Redmi K90 Ultra | X300 E |
|---|---|---|
| Design & display | 8.6 | 8.5 |
| Performance & hardware | 9.1 | 9.0 |
| Camera | 7.4 | 8.5 |
| Connectivity | 7.9 | 7.9 |
| Battery & charging | 8.3 | 7.4 |
Which one is for you?
Xiaomi Redmi K90 Ultra, if you care about…
- Battery Capacity
- 8,550 mAh
- against 7,200 mAh
- RAM Capacity
- 16 GB
- against 12 GB
- Display Refresh Rate
- 165 Hz
- against 144 Hz
- Maximum Storage Capacity
- 1 TB
- against 512 GB
vivo X300 E, if you care about…
- Weight
- 203 g
- against 227 g
- Body Thickness
- 7.8 mm
- against 8.2 mm
- Geekbench 6 Single-Core
- 3,600
- against 3,234
- Geekbench 6 Multi-Core
- 10,800
- against 10,059
Specification comparison
Performance
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 5 |
| Processor Process Size | 3 nm | 3 nm |
| Graphics GPU | Qualcomm Adreno 830 | Qualcomm Adreno 829 |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Maximum CPU Clock | 4.32 GHz Best value | 3.8 GHz |
| Maximum Storage Capacity | 1 TB Best value | 512 GB |
| AnTuTu Score | 3,081,184 Best value | 3,080,247 |
| Geekbench 6 Single-Core | 3,234 | 3,600 Best value |
| Geekbench 6 Multi-Core | 10,059 | 10,800 Best value |
| CPU Description | Octa-core CPU with 2x4.32 GHz and 6x3.53 GHz cores | Octa-core CPU with 2 cores at 3.8 GHz and 6 cores at 3.32 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 16 GB Best value | 12 GB |
| RAM Type | LPDDR5X Best value | DDR5 |
| AnTuTu version | v11 | v11 |
Design
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Body Colors | Black, Blue, Silver | White, Grey, Orange, Black |
| Body Thickness | 8.2 mm | 7.8 mm Best value |
| Body Width | 77.9 mm | 74.3 mm |
| Body Height | 162.9 mm | 157.5 mm |
| Weight | 227 g | 203 g Best value |
| Usable Surface | 90.3 % | 90.7 % Best value |
| Body Materials | Glass, Aluminium Alloy | Glass, Aluminium Alloy |
| Resistance Features | IP68, IP69, IP66 | IP68, IP69 |
| Waterproof Depth | 1.5 m | 1.5 m |
Battery
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Battery Capacity | 8,550 mAh Best value | 7,200 mAh |
| Battery Type | Si-Carbon Li-Ion | Si-Carbon Li-Ion |
| Fast Charge Power | 100 W Best value | 90 W |
| Battery Features | Non-Removable, Fast Charging, Reverse Charging, Reverse Wireless Charging, Rechargeable, Battery Level Indicator Best value | Fast Charging, Wireless Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator |
| Reverse wireless charging power | 22.5 W | — |
Display
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 |
| Display Technology | AMOLED | AMOLED |
| Peak Display Brightness | 9,500 nits Best value | 5,000 nits |
| Display Diagonal | 6.83″ Best value | 6.59″ |
| Display Horizontal Resolution | 1,280 px Best value | 1,260 px |
| Display Vertical Resolution | 2,772 px Best value | 2,750 px |
| Display Pixel Density | 447 ppi | 459 ppi Best value |
| Display Refresh Rate | 165 Hz Best value | 144 Hz |
| Touch Sampling Rate | 480 Hz Best value | 360 Hz |
| Display Contrast Ratio | 8,000,000 :1 | 8,000,000 :1 |
| Display Features | 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 | Hole-Punch Notch, Always-On Display, Variable Refresh Rate, LTPO, DC Dimming, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, One Billion Colors, DCI-P3, SGS Certified, 4320Hz PWM |
Sensors
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display |
Sensor
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Gyroscope, Compass, Hall Sensor, Light Sensor, RGB Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Gravity Sensor, Ultrasonic Proximity Sensor, Cooling System, Hall Sensor, Light Sensor |
Software
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Operating System | Android 16 | Android 16 |
| OS Family | Android | Android |
| OS Version | 16 | 16 |
Connectivity
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 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 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B18, 3G UMTS B19, 3G UMTS 1700 AWS, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 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 B43, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n18, 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 |
| Cellular Technologies | GSM, HSPA, LTE, 5G | GSM, HSPA, LTE, 5G |
| Wi-Fi Standards | 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 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 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 5.4 | Bluetooth 5.4 |
| Bluetooth Profiles | A2DP, LE, LHDC 5.0, ASHA, Auracast | A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE | USB Charging, USB Mass Storage, USB OTG, USB Host 2.0, USB Type-C, NFC, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE |
| USB Version | USB 3.2 Best value | USB 2.0 |
| Max. download speed | 10,000 Mbps | 10,000 Mbps |
| Max. upload speed | 3,500 Mbps | 3,500 Mbps |
Audio
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Audio Features | Stereo Speakers, Dolby Atmos, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, LHDC 5, ASHA, Auracast | Stereo Speakers, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5 |
Technical
| Specification | Redmi K90 Ultra | X300 E |
|---|---|---|
| Model numbers | 2604FRK1EC | V2612A |
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