Product
Samsung Galaxy M51
Samsung Galaxy M51
Samsung Galaxy A23 5G
Samsung Galaxy A23 5G
Battery
Charging 25W wired, 100% in 115 minReverse wired 25W wired
Type Li-Po 7000 mAh Li-Po 5000 mAh
Body
Build Glass front (Gorilla Glass 3+), plastic back, plastic frame Glass front (Gorilla Glass 5), plastic frame, plastic back
Dimensions 163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in) 165.4 x 76.9 x 8.4 mm (6.51 x 3.03 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 213 g (7.51 oz) 197 g (6.95 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.1, A2DP, LE
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio, RDS No
USB USB Type-C 2.0, OTG USB Type-C 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/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3+ Corning Gorilla Glass 5
Resolution 1080 x 2400 pixels, 20:9 ratio (~393 ppi density) 1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
Size 6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio) 6.6 inches, 104.9 cm2 (~82.5% screen-to-body ratio)
Type Super AMOLED Plus PLS LCD, 120Hz
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, compass, barometer (USA only)
  - Virtual proximity sensing
Launch
Announced 2020, August 31 2022, August 05
Status Available. Released 2020, September 11 Available. Released 2022, September 02
Main Camera
Features LED flash, panorama, HDR LED flash, panorama, HDR
Quad 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth) 50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF, OIS 5 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Misc
Colors Celestial Black, Electric Blue, White Black, White, Peach, Blue
Models SM-M515F, SM-M515F/DSN SM-A236U, SM-A236U1, SM-A236B, SM-A236B/DS, SM-A236B/DSN, SM-A236E
SAR 1.38 W/kg (head)     0.68 W/kg (head)     0.57 W/kg (body)    
SAR EU 0.61 W/kg (head)     1.45 W/kg (body)     1.49 W/kg (head)     1.25 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, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66 - International
5G bands - 1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - International
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
  - 2, 5, 30, 66, 77 SA/NSA/Sub6/mmWave - USA
Platform
Chipset Qualcomm SDM730 Snapdragon 730G (8 nm) Qualcomm SM6375 Snapdragon 695 5G (6 nm)
CPU Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
GPU Adreno 618 Adreno 619
OS Android 10, upgradable to Android 12, One UI 4.1 Android 12, upgradable to Android 14, One UI 6
Selfie camera
Features HDR -
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 8 MP, f/2.0, 25mm (wide), 1/4.0", 1.12µm - USA 8 MP, f/2.2, 25mm (wide), 1/4.0", 1.12µm - International
Video 4K@30fps, 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
Tests
Battery (old) Endurance rating 156h Endurance rating 138h
Camera Photo / Video Photo / Video
Display 677 nits max brightness (measured) 1328:1 contrast ratio, 508 nits max brightness (measured)
Loudspeaker -28.5 LUFS (Average) -25.9 LUFS (Very good)
Performance AnTuTu: 266620 (v8)GeekBench: 1774 (v5.1)GFXBench: 15fps (ES 3.1 onscreen) AnTuTu: 318821 (v9) GeekBench: 1940 (v5.1) GFXBench: 16fps (ES 3.1 onscreen)