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Specifications
Selected: Wiko Y51
Selected: vivo X9s
Network
TechnologyGSM / HSPAGSM / HSPA / EVDO / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
SpeedHSPA 42.2/5.76 MbpsHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
 CDMA2000 1xEV-DO & TD-SCDMA
4G bands1, 3, 4, 5, 8, 38, 39, 40, 41
Launch
Announced2021, January 142017, July. Released 2017, July
StatusAvailable. Released 2021, January 14Discontinued
Body
Dimensions146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)152.6 x 74 x 7 mm (6.01 x 2.91 x 0.28 in)
Weight175 g (6.17 oz)154 g (5.43 oz)
SIMNano-SIM + Micro-SIMNano-SIM + Nano-SIM
Display
TypeTN LCDAMOLED
Size5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)5.5 inches, 83.4 cm2 (~73.8% screen-to-body ratio)
Resolution480 x 960 pixels, 18:9 ratio (~197 ppi density)1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Platform
OSAndroid 10 (Go edition)Android 7.1 (Nougat), upgradable to Android 8.0 (Oreo), Funtouch 3.1
CPUQuad-core 1.3 GHz Cortex-A7Octa-core (4x1.8 GHz Cortex-A72 & 4x1.2 GHz Cortex A53)
GPUMali-T820 MP1Adreno 510
ChipsetQualcomm MSM8976 Snapdragon 652 (28 nm)
Memory
Card slotmicroSDXCNo
Internal8GB 1GB RAM, 16GB 1GB RAM64GB 4GB RAM
 eMMC 5.1
Main Camera
Single5 MP16 MP, 1/2.8", PDAF
FeaturesLED flash, HDRLED flash, HDR, panorama
Video720p@30fps1080p@30fps
Selfie Camera
Single5 MP20 MP, f/2.0, (wide), 1/2.8", 1.0µm
5 MP, depth sensor
Video
FeaturesLED flash
Sound
LoudspeakerYesYes
3.5mm jackYesYes
 32-bit/192kHz audio
Comms
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth4.2, A2DP4.2, A2DP, LE
PositioningGPSGPS
NFCNoNo
RadioFM RadioNo
USBmicroUSB 2.0microUSB 2.0, OTG
Features
SensorsAccelerometer, proximityFingerprint (front-mounted), accelerometer, proximity, compass
Battery
TypeLi-Ion 2500 mAh, removableLi-Ion 3320 mAh, non-removable
Charging10W wired
Misc
ColorsDeep Grey, Gold, MintGold, Rose Gold, Black
ModelsW-K211-TH
SAR0.70 W/kg (head)     1.55 W/kg (body)    
PriceAbout 70 EURAbout 350 EUR