Xiaomi
Side-by-side technical data
Xiaomi Mi Max 4 vs Xiaomi Poco F9 Ultra
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Xiaomi Mi Max 4, if you care about…
- Expandable Storage
- Yes
- against No
- Display Diagonal
- 7.2″
- against 6.9″
Xiaomi Poco F9 Ultra, if you care about…
- Battery Capacity
- 8,050 mAh
- against 5,800 mAh
- RAM Capacity
- 16 GB
- against 6 GB
- 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
- against Wi-Fi 802.11a/b/g/n/ac
- Storage Type
- UFS 4.1
- against eMMC 5.1
Specification comparison
Performance
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Processor Process Size | 14 nm | 3 nm Best value |
| Graphics GPU | Qualcomm Adreno 512 | Qualcomm Adreno 840 |
| Storage Type | eMMC 5.1 | UFS 4.1 Best value |
| Maximum CPU Clock | 2.2 GHz | 4.6 GHz Best value |
| Maximum Storage Capacity | 128 GB | 1 TB Best value |
| AnTuTu Score | — | 4,165,108 |
| Geekbench 6 Single-Core | — | 3,234 |
| Geekbench 6 Multi-Core | — | 10,059 |
| CPU Description | Octa-core: 4 × 2.2 GHz Kryo 260 Gold and 4 × 1.8 GHz Kryo 260 Silver. | Octa-core CPU with 2x4.6 GHz Oryon V3 Phoenix L cores and 6x3.62 GHz Oryon V3 Phoenix M cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 6 GB | 16 GB Best value |
| RAM Type | — | DDR5 |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | v11 |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Design
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Body Colors | Black, Gold, Blue | Black, Red, Purple |
| Body Thickness | — | 8.7 mm |
| Body Width | — | 77.9 mm |
| Body Height | — | 163.5 mm |
| Weight | — | 235 g |
| Usable Surface | — | 91.6 % |
| Body Materials | Glass, Aluminium Alloy | Glass, Plastic, Aluminium Alloy |
| Resistance Features | — | IP68, IP69 |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | C |
| Repairability Class | — | C |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | 90 |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Battery
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Battery Efficiency Rating | — | A |
| Battery Capacity | 5,800 mAh | 8,050 mAh Best value |
| Battery Type | Li-Po | Si-Carbon Li-Ion Best value |
| Fast Charge Power | 18 W | 100 W Best value |
| Battery Features | Non-Removable, Fast Charging | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Rechargeable, Battery Level Indicator, Charger Included Best value |
| Battery Endurance | — | 80 h 44 min |
| Wireless charging power | — | 50 W |
| Charge cycles | — | 1,000 |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Display Aspect Ratio | — | 19.5:9 |
| Display Technology | IPS LCD | AMOLED Best value |
| Peak Display Brightness | — | 4,500 nits |
| Display Diagonal | 7.2″ Best value | 6.9″ |
| Display Horizontal Resolution | 1,080 px | 1,200 px Best value |
| Display Vertical Resolution | 2,310 px | 2,608 px Best value |
| Display Pixel Density | 354 ppi | 416 ppi Best value |
| Display Refresh Rate | — | 185 Hz |
| Touch Sampling Rate | — | 480 Hz |
| Display Contrast Ratio | — | — |
| Display Features | Gorilla Glass 5 | Hole-Punch Notch, Gorilla Glass 7i, Mohs Level 5, HDR10+, Dolby Vision, Always-On Display, LTPO, DC Dimming, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensors
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Under Display |
Sensor
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Gyroscope, Compass, Light Sensor, RGB Sensor, Ultrasonic Proximity Sensor, Virtual Proximity Sensing, Cooling System |
Software
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Operating System | Android 9 | Android 16 |
| OS Family | Android | Android |
| OS Version | 9 | 16 Best value |
| OS Update Support | — | 5 years |
| Direct OS Updates | — | No |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | — |
Connectivity
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM, eSIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby, Dual SIM Best value |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 | 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 B18, 3G UMTS B19, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B32, 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 n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 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 |
| Cellular Technologies | GSM, CDMA, HSPA, EVDO, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | 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 Best value |
| Wi-Fi Features | Dual Band, Wi-Fi Direct, DLNA | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 6.0 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE, aptX HD, aptX Adaptive, LHDC 5.0, ASHA, MIHC, Auracast |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value |
| Connectivity Features | 3.5 mm Audio Jack, Infrared, FM Radio, USB Type-C | USB Charging, USB Mass Storage, USB OTG, USB Host 3.2, USB Type-C, NFC, Infrared, eSIM, Computer Sync, OTA Sync, Tethering, VoLTE, VoNR, DLNA |
| USB Version | USB Type-C | USB 3.2 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
| Max. download speed | — | 10,000 Mbps |
| Max. upload speed | — | 3,500 Mbps |
Audio
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Stereo Speakers | Stereo Speakers, Dolby Atmos, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5, ASHA, MIHC, Auracast |
| Alert types | — | — |
Technical
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Mi Max 4 | Poco F9 Ultra |
|---|---|---|
| Built-in functions | — | — |
