Xiaomi Poco X3 Pro 8GB vs Vivo Y31d

Key Specs
Display 6.67"
Battery 5160 mAh
Camera 48 MP + 8 MP + 2 MP + 2 MP
Storage 256 GB 8 GB RAM
Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA 42.2/5.76 Mbps, LTE-A
Launch
Announced2021, March 22
StatusAvailable. Released 2021, March 24
Body
Dimensions165.3 x 76.8 x 9.4 mm (6.51 x 3.02 x 0.37 in)
Weight215 g (7.58 oz)
BuildGlass front (Gorilla Glass 6), plastic back
SIMHybrid Dual SIM (Nano-SIM, dual stand-by)
 IP53, dust and splash protection
Display for Xiaomi Poco X3 Pro 8GB
TypeIPS LCD, 120Hz, HDR10, 450 nits (typ)
Size6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
ProtectionCorning Gorilla Glass 6
Platform
OSAndroid 11, MIUI 12 for POCO
ChipsetQualcomm Snapdragon 860 (7 nm)
CPUOcta-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver)
GPUAdreno 640
Memory
Card slotmicroSDXC (uses shared SIM slot)
Internal 256GB 8GB RAM
 UFS 3.1
Main Camera
Quad48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 119Ëš (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
FeaturesDual-LED flash, HDR, panorama
Video4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Selfie camera
Single20 MP, f/2.2, (wide), 1/3.4", 0.8µm
FeaturesHDR, panorama
Video1080p@30fps
Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack Yes
 24-bit/192kHz audio
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
NFCYes (market/region dependent)
Infrared portYes
RadioFM radio, recording
USBUSB Type-C 2.0, USB On-The-Go
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
TypeLi-Po 5160 mAh, non-removable
ChargingFast charging 33W, 59% in 30 min, 100% in 59 min (advertised)
Tests
PerformanceAnTuTu: 453223 (v8)
GeekBench: 2574 (v5.1)
GFXBench: 38fps (ES 3.1 onscreen)
DisplayContrast ratio: 1401:1 (nominal)
CameraPhoto / Video
Loudspeaker-26.1 LUFS (Good)
Battery life
Endurance rating 112h
space

VIVO Y31D

Rs. 57,999

Vivo Y31d
Key Specs
Display 6.75""
Battery 7200 mAh
Camera 50 MP + 2 MP
Storage 128GB Built-in
Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 20, 28, 38, 40, 41
Speed HSPA, LTE
Launch
Announced 2026, January 16
Status Available. Released 2026, March
Body
Dimensions 166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Weight 219 g (7.72 oz)
Build Glass front, plastic frame, plastic back
SIM Nano-SIM + Nano-SIM
 IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Display for Vivo Y31d
Type IPS LCD, 120Hz, 1250 nits (HBM)
Size 6.75 inches, 111.4 cm2 (~85.3% screen-to-body ratio)
Resolution 720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Platform
OS Android 16, OriginOS 6
Chipset Qualcomm Snapdragon 6s 4G Gen 2
CPU Octa-core (4x2.9 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU Adreno 610 GPU
Memory
Card slot No
Internal 128GB 8GB RAM
 UFS 2.2
Main Camera
Dual 50 MP, f/2.0, 21mm (wide), PDAF
2 MP
Features LED flash, HDR, panorama
Video 1080p@30fps
Selfie camera
Single 8 MP, f/2.1, (wide)
Video 1080p@30fps
Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack No
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.1, A2DP, LE
Positioning GPS, GALILEO, GLONASS, BDS, QZSS
NFC No
Infrared port Yes
Radio No
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Type Si/C Li-Ion 7200 mAh
Charging 44W wired, 50% in 43 min
Reverse wired
Bypass Charging