vivo Y21a vs vivo S1

Phones Images
PHONES
Phone Names vivo Y21a vivo S1
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 38, 40, 411, 3, 5, 7, 8, 20, 38, 40, 41 - Asia
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/150 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -1, 3, 5, 8, 34, 38, 39, 40, 41 - China
Launch
Announced2022, January 222019, July 17. Released 2019, July
StatusAvailable. Released 2022, February 14Discontinued
Body
BuildGlass front, plastic frame, plastic backGlass front, plastic back, plastic frame
Dimensions164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight182 g (6.42 oz)179 g (6.31 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Size6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio)
TypeIPS LCDSuper AMOLED
 -Always-on display
Platform
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) - EgyptOcta-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
ChipsetMediatek MT6762 Helio P22 (12 nm)Mediatek MT6765 Helio P35 (12 nm) - EgyptMediatek MT6768 Helio P65 (12 nm)
GPUPowerVR GE8320Mali-G52 MC2
OSAndroid 11, Funtouch 11.1Android 9.0 (Pie), Funtouch 9
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 256GB 6GB RAM
 -eMMC 5.1
Main Camera
Dual13 MP, f/2.2, (wide), PDAF 2 MP (macro)-
FeaturesLED flashLED flash, HDR, panorama
Single8 MP, f/1.8, (wide)-
Triple-16 MP, f/1.8, (wide), 1/2.8", 1.12µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDRHDR
Single8 MP, f/1.8, (wide)32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBUSB Type-C 2.0, OTGmicroUSB 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, proximity, compassFingerprint (under display, optical), accelerometer, proximity, compass
Battery
Charging18W wired 2.5W reverse wired18W wired
Type5000 mAh4500 mAh, non-removable
Misc
ColorsMidnight Blue, Diamond GlowDiamond Black, Skyline Blue, Cosmic Green
Models-1907, V1907, 1907_19, V1913A
Price-About 230 EUR
Pricing
128GB 4GB RAM-₹ 17,200
128GB 6GB RAM-₹ 17,200
64GB 6GB RAM-₹ 17,990