Vivo S1 4GB vs Realme C21

VIVO S1 4GB

Rs. 35,999

Vivo S1 4GB
Key Specs
Display 6.38"
Battery 4500 mAh
Camera 16 MP + 8 MP + 2 MP
Storage 128 GB 4 GB RAM
Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 2100
4G bandsLTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) - Asia
LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
SpeedHSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/150 Mbps
Launch
Announced 2019, September
StatusAvailable
Body
Dimensions159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in)
Weight179 g (6.31 oz)
SIMDual SIM (Nano-SIM, dual stand-by)
Display for Vivo S1 4GB
TypeSuper AMOLED capacitive touchscreen, 16M colors
Size6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio)
Resolution1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Always-on display
Platform
OSAndroid 9.0 (Pie); Funtouch 9
ChipsetMediatek MT6768 Helio P65 (12nm)
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPUMali-G52 MC2
Memory
Card slotmicroSD, up to 256 GB (dedicated slot)
Internal 128GB Built-in, 4GB RAM
Main Camera
Triple16 MP, f/1.8, (wide), 1/2.8", 1.12µm, PDAF
8 MP, f/2.2, 13mm (ultrawide)
2 MP, f/2.4, depth sensor
FeaturesLED flash, HDR, panorama
Video1080p@30fps
Selfie camera
Single32 MP, f/2.0
FeaturesHDR
Video1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Active noise cancellation with dedicated mic
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
RadioFM radio
USBmicroUSB 2.0, USB On-The-Go
Features
SensorsFingerprint (under display, optical), accelerometer, proximity, compass
Battery
Non-removable Li-Po 4500 mAh battery
ChargingFast battery charging 18W
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REALME C21

Rs. 35,999

Realme C21
Key Specs
Display 6.5""
Battery 5000 mAh
Camera 13 MP + 2 MP + 2 MP
Storage 64GB Built-in
Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 2100
4G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA 42.2/5.76 Mbps, LTE
Launch
Announced2021, March 05
StatusAvailable. Released 2021, March 05
Body
Dimensions165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
Weight190 g (6.70 oz)
BuildGlass front, plastic back, plastic frame
SIMDual SIM (Nano-SIM, dual stand-by)
Display for Realme C21
TypeIPS LCD
Size6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio)
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Platform
OSAndroid 10, Realme UI
ChipsetMediaTek Helio G35 (12 nm)
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPUPowerVR GE8320
Memory
Card slotmicroSDXC (dedicated slot)
Internal32GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.1
Main Camera
Dual13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
FeaturesLED flash, HDR, panorama
Video1080p@30fps
Selfie camera
Single5 MP, f/2.2, (wide), 1/5.0", 1.12µm
FeaturesHDR, panorama
Video1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLANWi-Fi 802.11 b/g/n, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS
NFCNo
RadioFM radio
USBmicroUSB 2.0, USB On-The-Go
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compass
Battery
TypeLi-Po 5000 mAh, non-removable
ChargingCharging 10W
Reverse charging