What is the difference between SAMSUNG GALAXY S8 and SAMSUNG GALAXY M21S ?

2020

2017

2020

GSM / HSPA / LTE.

GSM / HSPA / LTE

148.9 x 68.1 x 8 mm

159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)

155 g

191 (g6.74 oz) ☺

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM)

Single SIM or Dual SIM / Single or double SIM

8 MP,f/1.7,autofocus,1440p@30fps,Auto HDR,

32 MP ♥

- Samsung Pay (Visa,MasterCard certified) - IP68 certified - dust/water proof over 1.5 meter and 30 minutes,

Super AMOLED ♥

6.4 inches

1440 x 2960 pixels

1080 x 2340 pixels ♥

Corning Gorilla Glass 5

Gorilla Glass 3 ↓

Android 7.0 (Nougat)

Android 10,One UI 2.5,

Qualcomm MSM8998 Snapdragon 835

Exynos 9611 (10nm)

Octa-core - 4x2.35 GHz Kryo & 4x1.9 GHz Kryo

Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

Adreno 540

Mali-G72 MP3

microSD, up to 256 GB (dedicated slot) - single-SIM model

microSDXC ☺

64 GB 4 GB RAM

64GB 4GB RAM, 128GB 6GB RAM

12 MP

64 MP + 8 MP + 5 MP ♥

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✔️

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

✔️

5.0, A2DP, LE, aptX

✔️

✔️

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❌

❌

FM radio,RDS,recording ☺ Radio FM,RDS,registration,

3.1,Type-C 1.0 reversible connector,

Type-C 2.0

Iris scanner,fingerprint (rear-mounted),accelerometer,gyro,proximity,compass,barometer,heart rate,SpO2,

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

Fast Charging 15W / Fast battery charge 15W

Non-removable langproduct.Li-Ion 3000 mAh battery

6000 mAh ♥