Vivo Y21T 4GB/128GB

Realme 8 8GB/128GB

os

Android 11, Funtouch 12

Android 11, Realme UI 2.0

RAM

4 GB

8 GB

ROM

128 GB

128 GB

expandable

256 GB

512 GB

CPU

Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)

Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

GPU

Adreno 610

Mali-G76 MC4

SoC

Qualcomm SM6225 Snapdragon 680 4G (6 nm)

Mediatek Helio G95 (12 nm)

number of cores

8core

8core

features

LED flash

LED flash, HDR, panorama

primary

Triple:
50 MP, f/1.8, (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

Quad:
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8m, PDAF
8 MP, f/2.3, 119, 16mm (ultrawide), 1/4.0", 1.12m
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

secondary

8 MP, f/1.8, (wide)

16 MP, f/2.5, (wide), 1/3.0", 1.0m

video

1080p@30fps

4K@30fps, 1080p@30/60/120fps, gyro-EIS

capacity

5000mAh

5000mAh

charging

Fast charging 30W

charging

Fast charging 18W

type

Li-Polymer (non-removable)

Li-Polymer (non-removable)

build

Glass front, plastic frame, plastic back

dimension

164.3 x 76.1 x 8 mm

160.6 x 73.9 x 8 mm

display

IPS LCD

Super AMOLED, 1000 nits (peak)

resolution

720 x 1600 pixels, 20:9 ratio (~270 ppi density)

1080 x 2400 pixels, 20:9 ratio (~411 ppi density)

screen

6.51"

6.4"

weight

182 gm

177 gm

GPS

Yes, with A-GPS, GLONASS, GALILEO, BDS

Yes, with A-GPS, GLONASS, BDS

USB

USB Type-C 2.0, USB On-The-Go

USB Type-C 2.0, USB On-The-Go

bluetooth

5.0, A2DP, LE

5.1, A2DP, LE

internet

4G LTE

2G/3G/4G

wifi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

radio

FM radio

FM radio

sensors

Fingerprint (side-mounted), accelerometer, proximity, compass

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass