vivo Y15S (2015) vs vivo Y1s

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vivo Y15S (2015) vivo Y1s
PHONES
Phone Names vivo Y15S (2015) vivo Y1s
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100HSDPA 850 / 900 / 2100
4G bands-1, 3, 5, 7, 8, 38, 40, 41
SpeedHSPAHSPA, LTE
TechnologyGSM / HSPAGSM / HSPA / LTE
Launch
Announced2015, August. Released 2015, August2020, November 26. Released 2020, November 26
StatusDiscontinuedDiscontinued
Body
Build-Glass front, plastic back, plastic frame
Dimensions131.4 x 66.2 x 9 mm (5.17 x 2.61 x 0.35 in)155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in)
SIMDual SIM (Micro-SIM, dual stand-by)Nano-SIM + Nano-SIM
Weight130 g (4.59 oz)161 g (5.68 oz)
Display
Resolution480 x 854 pixels, 16:9 ratio (~218 ppi density)720 x 1520 pixels, 19:9 ratio (~270 ppi density)
Size4.5 inches, 55.8 cm2 (~64.1% screen-to-body ratio)6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUQuad-core 1.3 GHz Cortex-A7Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
ChipsetMediatek MT6580 (28 nm)Mediatek MT6765 Helio P35 (12 nm)
GPUMali-400MP2PowerVR GE8320
OSAndroid 5.1 (Lollipop)Android 10, Funtouch 10.5
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal8GB 1GB RAM32GB 2GB RAM, 32GB 3GB RAM
 -eMMC 5.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single5 MP, AF13 MP, f/2.2, PDAF
Video1080p@30fps1080p@30fps
Selfie camera
Single2 MP5 MP, f/1.8
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP, EDR5.0, A2DP, LE
Infrared portYes-
NFCNoNo
PositioningGPSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGmicroUSB 2.0, OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspotWi-Fi 802.11 b/g/n, Wi-Fi Direct
Features
SensorsAccelerometer, proximity, compassAccelerometer, proximity, compass
Battery
Music playUp to 45 h-
Stand-byUp to 410 h (2G) / Up to 410 h (3G)-
Talk timeUp to 10 h (2G) / Up to 8 h (3G)-
Type1900 mAh, removableLi-Ion 4030 mAh
Misc
ColorsWhite, BlackAurora Blue, Olive Black
ModelsY15S1929
Price-About 80 EUR
SAR0.62 W/kg (head)     0.59 W/kg (body)-
SAR EU0.76 W/kg (head)     0.73 W/kg (body)-