Product
Vivo Y21
Vivo Y21
Samsung Galaxy J3 Emerge
Samsung Galaxy J3 Emerge
Battery
Charging 18W wired -
Music play - Up to 71 h
Stand-by - Up to 408 h (3G)
Talk time - Up to 23 h (3G)
Type 5000 mAh Li-Ion 2600 mAh, removable
Body
Build Glass front, plastic frame, plastic back -
Dimensions 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) 140.9 x 70.1 x 8.7 mm (5.55 x 2.76 x 0.34 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 182 g (6.42 oz) 147 g (5.19 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS
Radio FM radio FM radio (operator dependant)
USB USB Type-C 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size 6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~69.8% screen-to-body ratio)
Type IPS LCD TFT
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2021, August 20 2017, January. Released 2017, January
Status Available. Released 2021, August 20 Discontinued
Main Camera
Dual 13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (macro) -
Features LED flash LED flash, HDR
Single - 5 MP, f/1.9, AF
Video 1080p@30fps 1080p@30fps (J3 Emerge, J3 Eclipse, Galaxy J3 Prime); 720p@30fps (Amp Prime 2)
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM 16GB 1.5GB RAM
  - eMMC 5.1
Misc
Colors Diamond Glow, Midnight Blue Silver, Black
Models V2111 SM-J327A, SM-J327, SM-J327T, SM-J327V, SM-J327P, SM-J327W, SM-J326AZ
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 1700(AWS) / 1900
4G bands 1, 3, 5, 8, 38, 40, 41 2, 4, 5, 12, 25, 26, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  - CDMA 800 / 1900
Platform
Chipset Mediatek MT6765 Helio P35 (12 nm) Qualcomm MSM8937 Snapdragon 430 (28 nm) - SprintQualcomm MSM8917 Snapdragon 425 (28 nm) - BoostMobile, Cricket, T-Mobile
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core 1.4 GHz Cortex-A53 - SprintQuad-core 1.4 GHz Cortex-A53 - BoostMobile, Cricket, T-Mobile
GPU PowerVR GE8320 Adreno 505 - SprintAdreno 308 - BoostMobile, Cricket, T-Mobile
OS Android 11, Funtouch 11.1 Android 6.0.1 (Marshmallow)Android 7.0 (Nougat) - Amp Prime 2
Selfie camera
Single 8 MP, f/2.0, (wide) 2 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes