Realme C15 Qualcomm Edition 4GB+128GB

Samsung Galaxy A21s 4GB/64GB

os

Android 10, realme UI 1.0

Android 10, One UI 2.0

RAM

4 GB

4 GB

ROM

128 GB

64 GB

expandable

512 GB

512 GB

CPU

Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240)

Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)

GPU

Adreno 610

Mali-G52

SoC

Qualcomm SM4250 Snapdragon 460 (11 nm)

Exynos 850 (8nm)

number of cores

8core

8core

features

LED flash, HDR, panorama

LED flash, panorama, HDR

primary

Quad:
13 MP, f/2.2, (wide), PDAF
8 MP, f/2.3, 119 (ultrawide)
2 MP B/W, f/2.4
2 MP, f/2.4

Quad:
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8m, PDAF
8 MP, f/2.2, 123 (ultrawide), 1/4.0", 1.12m
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

secondary

8 MP, f/2.0, (wide)

13 MP, f/2.2, (wide), 1/3.1", 1.12m

video

1080p@30fps

1080p@30fps

capacity

6000mAh

5000mAh

charging

Fast charging 18W

Fast charging 15W

type

Li-Polymer (non-removable)

Li-Polymer (non-removable)

dimension

164.5 x 75.9 x 9.8 mm

163.7 x 75.3 x 8.9 mm

display

IPS LCD, HD+ Mini-drop Fullscreen

PLS TFT capacitive touchscreen, 16M colors

resolution

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

screen

6.5"

6.5"

weight

209 gm

192 gm

GPS

Yes, with A-GPS, GLONASS, BDS

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

NFC

Yes (market/region dependent)

USB

microUSB 2.0, USB On-The-Go

2.0, Type-C 1.0 reversible connector

bluetooth

5.0, A2DP, LE, aptX HD

5.0, A2DP, LE

internet

2G/3G/4G/LTE

2G/3G/4G/LTE

wifi

Wi-Fi 802.11 b/g/n, hotspot

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

radio

FM Radio

FM Radio

sensors

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

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass