Poco C85x vs Vivo Y31d

At a glance

Brand: POCO; vivo
Release date: March 2026, 2 months ago; January 2026, 4 months ago
Launch price: ₹ 10,999.00 ($ 116.70); —
AnTuTu: 479.500 Antutu v10 Overall performance better than 73% of devices; 410.556 Antutu v10 Overall performance better than 68% of devices

Size: 6.9"; 6.75"
Resolution: 720 x 1600 px HD+; 720 x 1570 px HD+
Type: LCD IPS; AMOLED
Density: 254 ppi Medium Density; 256 ppi Medium Density
Aspect ratio: 20:9; 20:9
Features: Water Drop Notch, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, Refresh rate 120 Hz, Touch sampling rate 240 Hz, TÜV Rheinland Eye Comfort Certification, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless; Water Drop Notch, 107% NTSC, Refresh rate 120 Hz, Peak brightness - 1800 cd/m², TÜV Rheinland Eye Comfort Certification, DCI-P3, 2.5D curved glass screen, Capacitive, Multi-touch, Frameless

Chipset: Unisoc T8300; Qualcomm Snapdragon 6s Gen2
CPU: 2x2.2 GHz – Cortex A78 + 6x2 GHz – Cortex A55; 4x2.9 GHz ARM Cortex A73 +4x 1.9 GHz ARM Cortex A53
CPU type: Octa-Core; Octa-Core
Process: 6 nm; 6 nm
Frequency: 2.3 GHz; 2.9 GHz
GPU: Mali-G57 MP2; Adreno 610
RAM: 4 GB; 6 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

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

Dimensions: 79.5 mm 171.6 mm 8.2 mm Print 3D Model; 78.4 mm 166.6 mm 8.5 mm Print 3D Model
Weight: 210 g; 219 g
Materials: Plastic; Plastic
Colors: Black Gold Green; Black Gray
Water/dust resistance: IP52; IP68, IP69
Usable surface: 84 %; 85 %

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM)
Bluetooth: Bluetooth 5.4 LELow energy consumption; Bluetooth 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), HID (Human Interface Profile), LE (Low Energy); A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), LE (Low Energy)
Wi-Fi: 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
Wi-Fi features: Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display; 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, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n38 (2600), n41 (2500), n77 (3700), n78 (3500); —
4G LTE: B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500); B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
3G: B1 (2100), B5 (850), B8 (900); B1 (2100), B2 (1900), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B3 (1800), B5 (850), B8 (900)