Side-by-side technical data
Xiaomi Redmi K80 Ultra vs Xiaomi Redmi 9
Comparison between Xiaomi Redmi K80 Ultra and Xiaomi Redmi 9: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.
NeoTeo's verdict
Which of the two is the better buy
The Xiaomi Redmi K80 Ultra is the pick for a sharper, brighter screen and a major performance jump; the Redmi 9 suits buyers who need Google services or expandable storage.
The K80 Ultra's 6.83″ AMOLED at 447 ppi outclasses the Redmi 9's 6.53″ IPS LCD at 269 ppi, and its peak brightness is 3,200 nits versus 400 nits. Its Dimensity 9400+ and 16 GB of RAM face the Redmi 9's Helio G35 and 6 GB, while UFS 4.1 storage is faster than eMMC 5.1. The K80 Ultra supports up to 1 TB, compared with 128 GB, but only the Redmi 9 takes expandable storage.
The K80 Ultra's 50 MP main camera records 8K at 30 fps; the Redmi 9's 13 MP camera tops out at 1080p at 30 fps. Battery and charging also favor the newer phone: 7,410 mAh and 100 W versus 5,000 mAh and 10 W. The Redmi 9 is lighter at 194 g versus 219 g, and has Google services and a 3.5 mm audio jack; the K80 Ultra adds 5G, Wi-Fi 7, and NFC.
Xiaomi Redmi K80 Ultra
The Xiaomi Redmi K80 Ultra is the better buy for anyone prioritizing a 6.83″ AMOLED display and the Dimensity 9400+.
Xiaomi Redmi 9
The Redmi 9 is the better buy for anyone who needs Google services, expandable storage, and a 3.5 mm audio jack.
The verdict
Your pick: Xiaomi Redmi K80 Ultra, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Design & display | 8.8 | 4.5 |
| Performance & hardware | 9.1 | 2.6 |
| Camera | 7.1 | 4.3 |
| Connectivity | 8.0 | 5.2 |
| Battery & charging | 6.8 | 5.1 |
Which one is for you?
Xiaomi Redmi K80 Ultra, if you care about…
- Battery Capacity
- 7,410 mAh
- against 5,000 mAh
- AnTuTu Score
- 2,876,402
- against 203,078
- RAM Capacity
- 16 GB
- against 6 GB
- 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)
- against Wi-Fi 802.11a/b/g/n, Wi-Fi 5 (802.11ac)
Xiaomi Redmi 9, if you care about…
- Weight
- 194 g
- against 219 g
- Expandable Storage
- Yes
- against No
- Google Services
- Yes
- against No
Specification comparison
Performance
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Processor Model | MediaTek Dimensity 9400+ | MediaTek Helio G35 |
| Processor Process Size | 3 nm Best value | 12 nm |
| Graphics GPU | Immortalis-G925 MC12 | PowerVR GE8320 |
| Storage Type | UFS 4.1 Best value | eMMC 5.1 |
| Maximum CPU Clock | 3.73 GHz Best value | 2.3 GHz |
| Maximum Storage Capacity | 1 TB Best value | 128 GB |
| AnTuTu Score | 2,876,402 Best value | 203,078 |
| Geekbench 6 Single-Core | 2,874 Best value | 189 |
| Geekbench 6 Multi-Core | 8,969 Best value | 810 |
| CPU Description | Octa-core CPU with 1 Cortex-X925 core at 3.63 GHz, 3 Cortex-X4 cores at 3.3 GHz, and 4 Cortex-A720 cores at 2.4 GHz. | Octa-core CPU with four Cortex-A53 cores at 2.3 GHz and four Cortex-A53 cores at 1.8 GHz |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 16 GB Best value | 6 GB |
| RAM Type | LPDDR5X Best value | LPDDR4X |
| Expandable Storage | No | Yes Best value |
| AnTuTu version | v11 | v8 |
Design
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Body Colors | Grey, White, Blue, Green, Black, Purple | Black, Blue, Orange, Green, Cyan |
| Body Thickness | 8.2 mm Best value | 9 mm |
| Body Width | 77.9 mm | 77.1 mm |
| Body Height | 163.1 mm | 164.9 mm |
| Weight | 219 g | 194 g Best value |
| Usable Surface | 90.2 % Best value | 81 % |
| Body Materials | Glass, Aluminium Alloy Best value | Plastic, Splash Resistant |
| Resistance Features | IP68, IP69 | Water Resistant |
| Waterproof Depth | 2 m | — |
Battery
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Battery Capacity | 7,410 mAh Best value | 5,000 mAh |
| Battery Type | Si-Carbon Li-Ion Best value | Li-Polymer |
| Fast Charge Power | 100 W Best value | 10 W |
| Battery Features | Fast Charging, Bypass Charging, Non-Removable, Rechargeable, Battery Level Indicator | Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator |
Display
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 20:9 |
| Display Technology | AMOLED Best value | IPS LCD |
| Peak Display Brightness | 3,200 nits Best value | 400 nits |
| Display Diagonal | 6.83″ Best value | 6.53″ |
| Display Horizontal Resolution | 1,280 px Best value | 720 px |
| Display Vertical Resolution | 2,772 px Best value | 1,600 px |
| Display Pixel Density | 447 ppi Best value | 269 ppi |
| Display Refresh Rate | 144 Hz | — |
| Touch Sampling Rate | 480 Hz | — |
| Display Contrast Ratio | 5,000,000 :1 Best value | 1,500 :1 |
| Display Features | HDR10, HDR10+, Dolby Vision, Always-On Display, Variable Refresh Rate, LTPO, DC Dimming, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, One Billion Colors, HDR Vivid, DCI-P3, TÜV Rheinland Eye Comfort Certification | Water Drop Notch, TÜV Rheinland Eye Comfort Certification, Scratch Resistant, Gorilla Glass 3, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Touchscreen |
Sensors
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Rear |
Sensor
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Ultrasonic Proximity Sensor, Accelerometer, Gyroscope, Compass, Light Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor, Virtual Proximity Sensing |
Software
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Operating System | Android 15 | Android 10 |
| OS Family | Android | Android |
| OS Version | 15 Best value | 10 |
| Google Services | No | Yes Best value |
Connectivity
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| 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 B4, 3G UMTS B5, 3G UMTS B8, 3G UMTS B18, 3G UMTS B19, 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 B28B, 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 n26, 5G NR n28a, 5G NR n28b, 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 B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, CDMA, HSPA, LTE, 5G Best value | GSM, HSPA, UMTS, LTE, 4G |
| 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) Best value | Wi-Fi 802.11a/b/g/n, Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.4 Best value | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value | GPS, A-GPS, GLONASS, BeiDou |
| Connectivity Features | Infrared, NFC, USB Type-C, Computer Sync, DLNA, OTA Sync, Tethering, VoLTE, VoWiFi, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG | 3.5 mm Audio Jack, FM Radio, Computer Sync, Infrared, NFC, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage |
| USB Version | USB Type-C | microUSB |
| SAR American Head | — | 0.51 W/kg |
| SAR American Body | — | 0.83 W/kg |
| SAR (EU) head | — | 0.789 W/kg |
| SAR (EU) body | — | 1.065 W/kg |
| Max. download speed | 7,300 Mbps Best value | 300 Mbps |
| Max. upload speed | — | 150 Mbps |
Audio
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | Stereo Speakers, A2DP, LE, LHDC 5, Hi-Res Audio, Hi-Res Wireless Audio, Dolby Atmos Best value | A2DP, LE, Loudspeaker, Noise-Cancellation Microphone |
Technical
| Specification | Redmi K80 Ultra | Redmi 9 |
|---|---|---|
| Model numbers | — | M2004C3MI |
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