Vivo Y31 5G vs Xiaomi Redmi 15R

At a glance

Brand: vivo; Xiaomi
Release date: September 2025, 9 months ago; August 2025, 10 months ago
AnTuTu: 456.552 Antutu v10 Overall performance better than 71% of devices; 475.000 Antutu v10 Overall performance better than 72% of devices

Size: 6.68"; 6.9"
Resolution: 720 x 1608 px HD+; 1080 x 2340 px FHD+
Type: LCD IPS; LCD IPS
Density: 264 ppi Medium Density; 374 ppi High Density
Aspect ratio: 20:9; 20:9
Features: 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; Hole-punch Notch, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, Refresh rate 144 Hz, Brightnes 700 cd/m² (typ), TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, Capacitive, Multi-touch, Frameless

Chipset: Qualcomm Snapdragon 4 Gen 2 (SM4450); Qualcomm Snapdragon 6s Gen3
CPU: 2x2.2 GHz Cortex A76 +6x 2.0 GHz Cortex A55; Kryo 2x2.3 GHz ARM Cortex A78 +6x 2.0 GHz ARM Cortex A55
CPU type: Octa-Core; Octa-Core
Process: 4 nm; 6 nm
Frequency: 2.2 GHz; 2.3 GHz
GPU: Qualcomm Adreno; Qualcomm Adreno 619
RAM: 4 GB; 12 GB
RAM type: LPDDR4X RAM; LPDDR4X RAM
64-bit: Yes; Yes

Resolution: 50 Mpx; 50 Mpx
Aperture: ƒ/ 1.8; ƒ/ 1.8
Flash: LED; LED
Optical stabilization: No; No
Slow motion: Yes, 120 fps; Yes, 60 fps
Features: 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; Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Capacity: 128 GB; 256 GB
Type: eMMC 5.1 Storage; UFS Storage 2.2
SD slot: Yes , Slot for SD or second SIM card; Yes , Slot for SD or second SIM card

Dimensions: 77.0 mm 166.1 mm 8.4 mm Print 3D Model; 82.1 mm 171.1 mm 8.6 mm Print 3D Model
Weight: 209 g; 224 g
Materials: Plastic; Plastic
Colors: Red Green; Black White Purple
Water/dust resistance: IP64 , MIL-STD-810H; IP64
Usable surface: 83 %; 83 %

Operating system: Android 15 Funtouch OS 15 (Android 15); Android 15 HyperOS 2.X (Android 15)
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 4.2 LELow energy consumption; Bluetooth 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), APT-x, SBC; A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
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, QZSS; GPS, A-GPS, GLONASS, Beidou, Galileo

5G: n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n77 (3700), n78 (3500); n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), 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), B5 (850), B8 (900)
2G: B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)