Poco C81x vs Xiaomi Mix Fold 4

At a glance

Brand: POCO; Xiaomi
Release date: April 2026, 2 months ago; July 2024, 1 years 11 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 2.341.193 Antutu v11 Overall performance better than 95% of devices
Launch price: —; CN¥ 8,999.00 ($ 1,315.98)

Size: 6.88"; 6.56"
Resolution: 720 x 1640 px HD+; 1080 x 2520 px FHD+
Type: LCD IPS; Super AMOLED Huaxing C8+
Density: 260 ppi Medium Density; 407 ppi Very high density
Aspect ratio: 21:9; 21:9
Features: Water Drop Notch, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 450 cd/m² (typ), 1500:1 contrast ratio, TÜV Rheinland Eye Comfort Certification, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless, In-cell; Hole-punch Notch, Touch sampling rate 240 Hz, Peak brightness - 1700 cd/m², Peak brightness - 3000 cd/m², 8000000:1 contrast ratio, Always-On Display, HDR10+, DCI-P3, 10 Bits panel, Dolby Vision, Scratch resistant, Dragontrail glass, Capacitive, Multi-touch, Frameless, Foldable Display, LTPO (Low Temperature PolySilicon oxide)

Chipset: Unisoc Tiger T615 (T7250); Qualcomm Snapdragon 8 Gen3
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 1x3.3GHz Cortex X4 + 3x3.2 GHz Cortex A720 + 2x3.0 GHz Cortex A720 + 2x2.3 GHz Cortex A520
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.8 GHz; 3.3 GHz
GPU: Mali-G57 MP1; Adreno 750
RAM: 3 GB; 12 GB
RAM type: LPDDR4X RAM; RAM LPDDR5X
64-bit: Yes; Yes

Resolution: 13 Mpx; 50 Mpx
Aperture: ƒ/ 2.0; ƒ/ 1.7
Flash: LED; Dual LED
Optical stabilization: No; Yes
Slow motion: No, 30 fps; Yes, 1920 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Flicker sensor, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Laser AF, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode
Sensor: —; Omnivision OV50 Light Fusion 800
Pixel size: —; 1.00 µm
Sensor size: —; 1/1.55"

Capacity: 5200 mAh; 5100 mAh
Type: Li-Polymer; Li-Ion
Fast charge: Yes , 15.0W; Yes , 67.0W
Features: Non-removable; Non-removable
Wireless charging: —; 50W wireless charging, Pengpai G1 power management chip × 2, Pengpai P2 fast charging chip, Pengpai R1 current equalizing chip

Dimensions: 77.8 mm 171.8 mm 8.3 mm Print 3D Model; 73.1 mm 159.4 mm 9.5 mm Print 3D Model
Weight: 193 g; 226 g
Materials: Plastic; Glass , Leather
Colors: Black Cyan; Black White Blue Gray
Water/dust resistance: Splash resistant; IPX8
Usable surface: 84 %; 86 %

Operating system: Android 15 HyperOS 2.X (Android 15); Android 14 Upside-down cake HyperOS (Android 14)
Updates: OS updates: 4 years, Security updates: 6 years; —
Google services: With Google Mobile Services; Without Google Mobile services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.2; Bluetooth 5.4 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC, Apt-x Adaptive, LHDC
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
Wi-Fi features: Wi-Fi Hotspot; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
USB: USB Type-C; USB Type-C
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS, GLONASS, Beidou, Galileo; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), NavIC System, QZSS (L1 + L5)

4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B28a (700), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B17 (700), B18 (800), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B48 (TDD 3600), B66 (1700/2100)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
2G: B3 (1800), B5 (850), B8 (900); CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n12 (700), n20 (800), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n48 (3500), n66 (1700), n77 (3700), n78 (3500), n79 (4700)