Xiaomi Poco X3 Pro vs vivo Y51a

Phones Images
Xiaomi Poco X3 Pro vivo Y51a
PHONES
Phone Names Xiaomi Poco X3 Pro vivo Y51a
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - International1, 3, 5, 8, 40
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 2, 3, 5, 8, 38, 40, 41 - India-
Launch
Announced2021, March 222021, January 08
StatusAvailable. Released 2021, March 24Available. Released 2021, January 23
Body
BuildGlass front (Gorilla Glass 6), plastic back-
Dimensions165.3 x 76.8 x 9.4 mm (6.51 x 3.02 x 0.37 in)163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight215 g (7.58 oz)188 g (6.63 oz)
 IP53, dust and splash resistant-
Display
ProtectionCorning Gorilla Glass 6-
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
Size6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio)
TypeIPS LCD, 120Hz, 2404Hz PWM, HDR10, 450 nits (typ)IPS LCD
Platform
CPUOcta-core (1x2.96 GHz Kryo 485 Gold & 3x2.42 GHz Kryo 485 Gold & 4x1.78 GHz Kryo 485 Silver)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
ChipsetQualcomm Snapdragon 860 (7 nm)Qualcomm SM6115 Snapdragon 662 (11 nm)
GPUAdreno 640Adreno 610
OSAndroid 11, upgradable to Android 12, MIUI 13 for POCOAndroid 11, upgradable to Android 12, Funtouch 12
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (dedicated slot)
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM
 UFS 3.1-
Main Camera
FeaturesDual-LED flash, HDR, panoramaLED flash, HDR, panorama
Quad48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1.0µm 2 MP (macro) Auxiliary lens-
Single20 MP, f/2.2, (wide), 1/3.4", 0.8µm-
Triple-48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video4K@30fps, 1080p@30/60/120/240fps, 1080p@960fps, gyro-EIS4K@30fps, 1080p@30fps, gyro-EIS
Selfie camera
FeaturesHDR, panoramaHDR
Single20 MP, f/2.2, (wide), 1/3.4", 0.8µm16 MP, f/2.0, (wide), 1/3.06" 1.0µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes
 24-bit/192kHz audio-
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
Infrared portYes-
NFCYes (market/region dependent)No
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radio, recordingFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging33W wired, 59% in 30 min, 100% in 59 min18W wired, 70% in 67 min
TypeLi-Po 5160 mAh5000 mAh
Misc
ColorsPhantom Black, Frost Blue, Metal BronzeTitanium Sapphire, Crystal Symphony
ModelsM2102J20SG, M2102J20SIV2031
Price$ 128.04 / £ 249.99About 200 EUR
SAR0.99 W/kg (head)     0.67 W/kg (body)0.87 W/kg (head)     0.39 W/kg (body)
SAR EU0.57 W/kg (head)     0.90 W/kg (body)-
Tests
Battery life Endurance rating 112h -
Camera Photo / Video-
Display Contrast ratio: 1401:1 (nominal)-
Loudspeaker -26.1 LUFS (Good) -
Performance AnTuTu: 453223 (v8) GeekBench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)-
OUR TESTS
Battery (old)Endurance rating 112h-
CameraPhoto / Video-
DisplayContrast ratio: 1401:1 (nominal)-
Loudspeaker-26.1 LUFS (Good)-
PerformanceAnTuTu: 453223 (v8) GeekBench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)-