Poco C71 vs Vivo Y31 5G

At a glance

Brand: POCO; vivo
Release date: April 2025, 1 years 3 months ago; September 2025, 10 months ago
AnTuTu: 308.681 Antutu v10 Overall performance better than 61% of devices; 456.552 Antutu v10 Overall performance better than 71% of devices

Size: 6.88"; 6.68"
Resolution: 720 x 1640 px HD+; 720 x 1608 px HD+
Type: LCD IPS; LCD IPS
Density: 255 ppi Medium Density; 264 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, Refresh rate 120 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, SGS Certified, Refresh rate 120 Hz, Max brightness HBM - 1000 cd/m², 1500:1 contrast ratio, Color LED Notifications, Scratch resistant, 2.5D curved glass screen, Capacitive, Frameless

Chipset: Unisoc Tiger T615 (T7250); Qualcomm Snapdragon 4 Gen 2 (SM4450)
CPU: 2 x ARM Cortex A75 1.8Ghz + 6 x ARM Cortex A55 1.6Ghz; 2x2.2 GHz Cortex A76 +6x 2.0 GHz Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 12 nm; 4 nm
Frequency: 1.8 GHz; 2.2 GHz
GPU: Mali-G57 MP1; Qualcomm Adreno
RAM: 3 GB; 4 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 32 Mpx; 50 Mpx
Aperture: ƒ/ 2.0; ƒ/ 1.8
Flash: LED; LED
Optical stabilization: No; No
Slow motion: No, 30 fps; Yes, 120 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, Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 77.8 mm 171.8 mm 8.3 mm Print 3D Model; 77.0 mm 166.1 mm 8.4 mm Print 3D Model
Weight: 193 g; 209 g
Materials: Plastic; Plastic
Colors: Black Gold Cyan; Red Green
Water/dust resistance: Splash resistant; IP64 , MIL-STD-810H
Usable surface: 85 %; 83 %

Operating system: Android 15 Android 15; Android 15 Funtouch OS 15 (Android 15)
Updates: OS updates: 2 years; —
Google services: With Google Mobile Services; With 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 4.2 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), APT-x, SBC
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
Wi-Fi features: Wi-Fi Hotspot; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
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

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B18 (800), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100); B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n77 (3700), n78 (3500)

Fingerprint: Yes, on the side; Yes, on the side
Accelerometer: Yes; Yes
Light sensor: Yes; —
Cooling system: No; Yes
Audio: DTS / DTS X, Stereo Speakers; DTS / DTS X, Hi-Res Audio, Stereo Speakers
Proximity: —; Yes