Xiaomi
Side-by-side technical data
Xiaomi Mi 4s 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
Your pick: Xiaomi Poco F9 Ultra, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Mi 4s | Poco F9 Ultra |
|---|---|---|
| Design & display | 5.9 | 8.4 |
| Performance & hardware | 1.8 | 9.3 |
| Camera | 3.7 | 8.5 |
| Connectivity | 4.3 | 9.0 |
| Battery & charging | 2.8 | 9.7 |
Which one is for you?
Xiaomi Mi 4s, if you care about…
- Display Pixel Density
- 441 ppi
- against 416 ppi
- Weight
- 133 g
- against 235 g
- Body Thickness
- 7.8 mm
- against 8.7 mm
- Expandable Storage
- Yes
- against No
Xiaomi Poco F9 Ultra, if you care about…
- Battery Capacity
- 8,050 mAh
- against 3,260 mAh
- RAM Capacity
- 16 GB
- against 3 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, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- Storage Type
- UFS 4.1
- against eMMC 5.0
Specification comparison
Performance
| Specification | Mi 4s | Poco F9 Ultra |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 808 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Processor Process Size | 20 nm | 3 nm Best value |
| Graphics GPU | Qualcomm Adreno 418 | Qualcomm Adreno 840 |
| Storage Type | eMMC 5.0 | UFS 4.1 Best value |
| Maximum CPU Clock | 1.8 GHz | 4.6 GHz Best value |
| Maximum Storage Capacity | 64 GB | 1 TB Best value |
| AnTuTu Score | 61,393 | 4,165,108 |
| Geekbench 6 Single-Core | — | 3,234 |
| Geekbench 6 Multi-Core | — | 10,059 |
| CPU Description | Hexa-core processor with four 1.4 GHz Cortex-A53 cores and two 1.8 GHz Cortex-A57 cores. | Octa-core CPU with 2x4.6 GHz Oryon V3 Phoenix L cores and 6x3.62 GHz Oryon V3 Phoenix M cores. |
| Processor Type | Hexa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 3 GB | 16 GB Best value |
| RAM Type | — | DDR5 |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | v11 |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | 128 GB | — |
Design
| Specification | Mi 4s | Poco F9 Ultra |
|---|---|---|
| Body Colors | Black, White, Gold, Pink | Black, Red, Purple |
| Body Thickness | 7.8 mm Best value | 8.7 mm |
| Body Width | 70.8 mm | 77.9 mm |
| Body Height | 139.3 mm | 163.5 mm |
| Weight | 133 g Best value | 235 g |
| Usable Surface | 69.9 % | 91.6 % Best value |
| Body Materials | — | 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 4s | Poco F9 Ultra |
|---|---|---|
| Battery Efficiency Rating | — | A |
| Battery Capacity | 3,260 mAh | 8,050 mAh Best value |
| Battery Type | Li-Ion | Si-Carbon Li-Ion Best value |
| Fast Charge Power | 18 W | 100 W Best value |
| Battery Features | Non-Removable, Fast Charging, Battery Level Indicator, Rechargeable | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Rechargeable, Battery Level Indicator, Charger Included Best value |
| Battery Endurance | — | 80.7333 h |
| Wireless charging power | — | 50 W |
| Charge cycles | — | 1,000 |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | Mi 4s | Poco F9 Ultra |
|---|---|---|
| Display Aspect Ratio | 16:9 | 19.5:9 |
| Display Technology | IPS LCD | AMOLED Best value |
| Peak Display Brightness | — | 4,500 nits |
| Display Diagonal | 5″ | 6.9″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,200 px Best value |
| Display Vertical Resolution | 1,920 px | 2,608 px Best value |
| Display Pixel Density | 441 ppi Best value | 416 ppi |
| Display Refresh Rate | — | 185 Hz |
| Touch Sampling Rate | — | 480 Hz |
| Display Contrast Ratio | 975 :1 | — |
| Display Features | Touchscreen | 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 4s | Poco F9 Ultra |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Under Display |
Sensor
| Specification | Mi 4s | 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 4s | Poco F9 Ultra |
|---|---|---|
| Operating System | Android 5.1 | Android 16 |
| OS Family | Android | Android |
| OS Version | 5 | 16 Best value |
| OS Update Support | — | 5 years |
| Direct OS Updates | No | No |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | — |
Connectivity
| Specification | Mi 4s | Poco F9 Ultra |
|---|---|---|
| SIM Configurations | Nano-SIM + Micro-SIM, Dual 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 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B7, 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, LTE, 4G | 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 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, Wi-Fi Hotspot | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 6.0 Best value |
| Bluetooth Profiles | A2DP | 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, USB Type-C, FM Radio | 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 | 150 Mbps | 10,000 Mbps Best value |
| Max. upload speed | 50 Mbps | 3,500 Mbps Best value |
Audio
| Specification | Mi 4s | Poco F9 Ultra |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | Loudspeaker | Stereo Speakers, Dolby Atmos, Hi-Res Audio, Hi-Res Wireless Audio, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5, ASHA, MIHC, Auracast Best value |
| Alert types | — | — |
Technical
| Specification | Mi 4s | Poco F9 Ultra |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Mi 4s | Poco F9 Ultra |
|---|---|---|
| Built-in functions | — | — |
