Side-by-side technical data
Xiaomi Poco C85 4G vs Xiaomi Poco M8x
Comparison between Xiaomi Poco C85 4G 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 better fit for 5G, a larger battery and faster storage; the Poco C85 4G suits buyers who want more RAM and maximum storage. The M8x’s overall edge is slight, 5.4 to 5.2, so the choice comes down to those differences.
The M8x pairs a Qualcomm Snapdragon 4 Gen 5 with UFS 2.2 storage; the C85 4G has a MediaTek Helio G81 Ultra and eMMC 5.1. The C85 offers 8 GB of RAM and up to 256 GB, versus 6 GB and 128 GB on the M8x. It is also lighter at 205 g against 232 g.
The M8x adds 5G, a 7,900 mAh battery and 45 W charging; the C85 4G has LTE, 6,000 mAh and 33 W charging. Both share a 6.9″ 120 Hz IPS LCD display and IP64 resistance. The M8x uses Gorilla Glass 7i, while the C85 4G lists hardness 6 on the Mohs scale.
Xiaomi Poco C85 4G
The Xiaomi Poco C85 4G is the better buy for buyers who want 8 GB of RAM and up to 256 GB of storage.
Xiaomi Poco M8x
The Xiaomi Poco M8x is the better buy for buyers who want 5G and a 7,900 mAh battery with 45 W charging.
The verdict
Neither runs away with it: each wins something.
| Category | Poco C85 4G | Poco M8x |
|---|---|---|
| Design & display | 5.4 | 5.0 |
| Performance & hardware | 4.8 | 5.9 |
| Camera | 3.7 | 3.8 |
| Connectivity | 5.9 | 5.8 |
| Battery & charging | 6.9 | 7.1 |
Which one is for you?
Xiaomi Poco C85 4G, if you care about…
- RAM Capacity
- 8 GB
- against 6 GB
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 5.1
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- Weight
- 205 g
- against 232 g
Xiaomi Poco M8x, if you care about…
- Battery Capacity
- 7,900 mAh
- against 6,000 mAh
- Storage Type
- UFS 2.2
- against eMMC 5.1
- Fast Charge Power
- 45 W
- against 33 W
- Body Materials
- Glass, Plastic, Leather
- against Glass, Plastic
Specification comparison
Performance
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Processor Model | MediaTek Helio G81 Ultra | Qualcomm Snapdragon 4 Gen 5 |
| Processor Process Size | 12 nm | 4 nm Best value |
| Graphics GPU | Mali-G52 MC2 | Qualcomm Adreno 613 |
| Storage Type | eMMC 5.1 | UFS 2.2 Best value |
| Maximum CPU Clock | 2 GHz | 2.4 GHz Best value |
| Maximum Storage Capacity | 256 GB Best value | 128 GB |
| Geekbench 6 Single-Core | 420 | — |
| Geekbench 6 Multi-Core | 1,391 | — |
| CPU Description | Octa-core CPU with 2x 2.0 GHz Cortex-A75 and 6x 1.8 GHz Cortex-A55. | 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 | 8 GB Best value | 6 GB |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
Design
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Body Colors | Purple, Black, Green | Green, Black, Blue |
| Body Thickness | 8 mm Best value | 8.8 mm |
| Body Width | 79.5 mm | 78.4 mm |
| Body Height | 171.6 mm | 170.1 mm |
| Weight | 205 g Best value | 232 g |
| Usable Surface | 84.3 % | 86.2 % Best value |
| Body Materials | Glass, Plastic | Glass, Plastic, Leather Best value |
| Resistance Features | IP64 | IP64 |
| Drop Resistance Class | A | — |
| Repairability Class | C | — |
| Drop Test Count | 270 | — |
Battery
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Battery Efficiency Rating | A | — |
| Battery Capacity | 6,000 mAh | 7,900 mAh Best value |
| Fast Charge Power | 33 W | 45 W Best value |
| Battery Features | Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable | Fast Charging, Reverse Charging, Battery Level Indicator, Charger Included, Rechargeable |
| Battery Endurance | 77 h 49 min | — |
| Charge cycles | 1,000 | — |
Display
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 810 nits | — |
| Display Diagonal | 6.9″ | 6.9″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px | 1,600 px |
| Display Pixel Density | 254 ppi | 254 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Display Features | Mohs Level 6, IPS LCD, 120Hz, Multi-Touch | Gorilla Glass 7i, Capacitive Touch |
Sensors
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Operating System | Android 15 | Android 16 |
| OS Family | Android | Android |
| OS Version | 15 | 16 Best value |
Connectivity
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM | Dual Nano-SIM, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 | 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, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g | Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band | — |
| Bluetooth Version | Bluetooth 5.4 Best value | Bluetooth 5.1 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, Virtual Proximity Sensing, NFC, FM Radio, USB Type-C, USB OTG, USB 2.0 | 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 | — | 0.82 W/kg |
| SAR American Body | — | 0.67 W/kg |
| Max. download speed | 300 Mbps | 2,800 Mbps Best value |
| Max. upload speed | 100 Mbps | — |
Audio
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | A2DP, LE, Loudspeaker | Stereo Speakers, Hi-Res Audio Best value |
Technical
| Specification | Poco C85 4G | Poco M8x |
|---|---|---|
| Model numbers | 25078PC3EE | MZB0PXPIN |
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