Side-by-side technical data
Xiaomi Poco C51 vs Xiaomi Poco M8x
Comparison between Xiaomi Poco C51 and Xiaomi Poco M8x: 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 Poco M8x is the more complete pick for performance, camera and battery priorities: it adds 5G and leads the Poco C51 in battery capacity, charging and storage. The C51 remains an option for anyone who values a lighter phone and a slightly sharper screen.
The M8x uses a Snapdragon 4 Gen 5 and UFS 2.2 storage; the C51 has a MediaTek Helio G36 and eMMC 5.1. Their batteries are 7900 mAh and 5000 mAh, respectively, and charging tops out at 45W versus 10W. The M8x screen measures 6.9″ against 6.52″ on the C51, though the C51 is denser at 269 ppi versus 254 ppi. It is also lighter: 192 g against 232 g.
The M8x has a 50 MP main camera against 8 MP on the C51; their front cameras are 8 MP and 5 MP. The M8x adds Android 16, Wi-Fi 5, Bluetooth 5.1 and NFC, while the C51 has Android 13, Wi-Fi 802.11 b/g/n and Bluetooth 5.0. Both have 6 GB of RAM and support up to 128 GB of storage.
Xiaomi Poco C51
The Xiaomi Poco C51 is the better buy for anyone prioritizing lower weight: 192 g versus 232 g for the M8x, with 269 ppi versus 254 ppi.
Xiaomi Poco M8x
The Xiaomi Poco M8x is the better buy for anyone seeking 5G, a 50 MP main camera and a 7900 mAh battery with 45W charging.
The verdict
Your pick: Xiaomi Poco M8x, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Poco C51 | Poco M8x |
|---|---|---|
| Design & display | 4.5 | 5.0 |
| Performance & hardware | 2.8 | 5.9 |
| Camera | 2.8 | 3.8 |
| Connectivity | 4.1 | 5.8 |
| Battery & charging | 5.1 | 7.1 |
Which one is for you?
Xiaomi Poco C51, if you care about…
- Display Pixel Density
- 269 ppi
- against 254 ppi
- Weight
- 192 g
- against 232 g
Xiaomi Poco M8x, if you care about…
- Battery Capacity
- 7,900 mAh
- against 5,000 mAh
- Wi-Fi Standards
- Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n
- Storage Type
- UFS 2.2
- against eMMC 5.1
- Bluetooth Version
- Bluetooth 5.1
- against Bluetooth 5.0
Specification comparison
Performance
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Processor Model | MediaTek Helio G36 | Qualcomm Snapdragon 4 Gen 5 |
| Processor Process Size | 12 nm | 4 nm Best value |
| Graphics GPU | PowerVR GE8320 | Qualcomm Adreno 613 |
| Storage Type | eMMC 5.1 | UFS 2.2 Best value |
| Maximum CPU Clock | 2.2 GHz | 2.4 GHz Best value |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 127,000 | — |
| Geekbench 6 Single-Core | 229 | — |
| Geekbench 6 Multi-Core | 842 | — |
| CPU Description | Octa-core CPU with four 2.2 GHz Cortex-A53 cores and four 1.7 GHz Cortex-A53 cores | Octa-core CPU with 2×2.4 GHz Cortex-A78 cores and 6×2.0 GHz Cortex-A55 cores |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 6 GB | 6 GB |
| RAM Type | LPDDR4X | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v9 | — |
Design
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Body Colors | Black, Blue, Green, Cyan | Green, Black, Blue |
| Body Thickness | 9.1 mm | 8.8 mm Best value |
| Body Width | 76.8 mm | 78.4 mm |
| Body Height | 164.9 mm | 170.1 mm |
| Weight | 192 g Best value | 232 g |
| Usable Surface | 81 % | 86.2 % Best value |
| Body Materials | Plastic | Glass, Plastic, Leather Best value |
| Resistance Features | — | IP64 |
Battery
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Battery Capacity | 5,000 mAh | 7,900 mAh Best value |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 10 W | 45 W Best value |
| Battery Features | Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable | Fast Charging, Reverse Charging, Battery Level Indicator, Charger Included, Rechargeable Best value |
Display
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 400 nits | — |
| Display Diagonal | 6.52″ | 6.9″ Best value |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px | 1,600 px |
| Display Pixel Density | 269 ppi Best value | 254 ppi |
| Display Refresh Rate | — | 120 Hz |
| Display Features | IPS LCD, Water Drop Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless | Gorilla Glass 7i, Capacitive Touch |
Sensors
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Side |
Sensor
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gravity Sensor, Light Sensor, Virtual Proximity Sensing | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Operating System | Android 13 | Android 16 |
| OS Family | Android | Android |
| OS Version | 13 | 16 Best value |
| Google Services | Yes | — |
Connectivity
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, LTE B28, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28, 5G NR n40, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 5 (802.11ac) Best value |
| Wi-Fi Features | Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi 802.11 b/g/n | — |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB Charging, USB Mass Storage, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, NFC, USB Type-C, USB 2.0 |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | 0.97 W/kg | 0.82 W/kg Best value |
| SAR American Body | 0.87 W/kg | 0.67 W/kg Best value |
| Max. download speed | 300 Mbps | 2,800 Mbps Best value |
| Max. upload speed | 150 Mbps | — |
Audio
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | Loudspeaker, A2DP, LE | Stereo Speakers, Hi-Res Audio Best value |
Technical
| Specification | Poco C51 | Poco M8x |
|---|---|---|
| Model numbers | MZB0E6DIN, MZB0DXKIN, 2302EPCC4I, 2305EPCC4G, 2302EPCC4H | MZB0PXPIN |
