Product
Samsung Galaxy M21s
Samsung Galaxy M21s
Samsung Galaxy M52 5G
Samsung Galaxy M52 5G
Battery
Charging 15W wired 25W wired
Type Li-Po 6000 mAh Li-Ion 5000 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 5), plastic frame, plastic back
Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 164.2 x 76.4 x 7.4 mm (6.46 x 3.01 x 0.29 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 191 g (6.74 oz) 173 g (6.10 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS, QZSS
Radio FM radio Unspecified
USB USB Type-C 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type Super AMOLED, 420 nits (peak) Super AMOLED Plus, 120Hz
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2020, November 06 2021, September 24
Status Available. Released 2020, November 06 Available. Released 2021, October 03
Main Camera
Features LED flash, panorama, HDR LED flash, panorama, HDR
Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth) 64 MP, f/1.8, 26mm (wide), 1/1.97", 0.7um, PDAF 12 MP, f/2.2, 123˚, (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, (macro)
Video 4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/60fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 64GB 4GB RAM, 128GB 6GB RAM 128GB 6GB RAM, 128GB 8GB RAM
  eMMC 5.1 -
Misc
Colors Blue, Black Icy Blue, Blazing Black, White
Models SM-F415F, SM-F415F/DS SM-M526BR, SM-M526BR/DS, SM-M526B, SM-M526B/DS
SAR 0.38 W/kg (head)     -
SAR EU 0.48 W/kg (head)     1.13 W/kg (body)     0.79 W/kg (head)     1.40 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
5G bands - SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Exynos 9611 (10 nm) Qualcomm SM7325 Snapdragon 778G 5G (6 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (1x2.4 GHz Cortex-A78 & 3x2.2 GHz Cortex-A78 & 4x1.9 GHz Cortex-A55)
GPU Mali-G72 MP3 Adreno 642L
OS Android 10, One UI 2.5 Android 11, upgradable to Android 13, One UI 5.1
Selfie camera
Features HDR -
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 32 MP, f/2.2, 26mm (wide)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes
Tests
Battery (old) - Endurance rating 123h
Camera - Photo / Video
Display - 777 nits max brightness (measured)
Loudspeaker - -30.0 LUFS (Average)
Performance - AnTuTu: 504424 (v9) GeekBench: 2796 (v5.1) GFXBench: 28fps (ES 3.1 onscreen)