Product
Samsung Galaxy M51
Samsung Galaxy M51
Samsung Galaxy A32
Samsung Galaxy A32
Battery
Charging 25W wired, 100% in 115 minReverse wired 15W wired
Type Li-Po 7000 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 163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in) 158.9 x 73.6 x 8.4 mm (6.26 x 2.90 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 213 g (7.51 oz) 184 g (6.49 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC Yes Yes (market/region dependent)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS, GALILEO
Radio FM radio, RDS FM radio, RDS, recording
USB USB Type-C 2.0, OTG 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, 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 2400 pixels, 20:9 ratio (~411 ppi density)
Size 6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio) 6.4 inches, 98.9 cm2 (~84.6% screen-to-body ratio)
Type Super AMOLED Plus Super AMOLED, 90Hz, 800 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2020, August 31 2021, February 25
Status Available. Released 2020, September 11 Available. Released 2021, February 25
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) 64 MP, f/1.8, 26mm (wide), PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 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 Awesome Black, Awesome White, Awesome Blue, Awesome Violet
Models SM-M515F, SM-M515F/DSN SM-A325F, SM-A325F/DS, SM-A325M, SM-A325N
SAR 1.38 W/kg (head)     -
SAR EU 0.61 W/kg (head)     1.45 W/kg (body)     0.45 W/kg (head)     1.30 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 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Qualcomm SDM730 Snapdragon 730G (8 nm) Mediatek MT6769V/CU Helio G80 (12 nm)
CPU Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Adreno 618 Mali-G52 MC2
OS Android 10, upgradable to Android 12, One UI 4.1 Android 11, upgradable to Android 13, One UI 5
Selfie camera
Features HDR -
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 20 MP, f/2.2, (wide)
Video 4K@30fps, 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
Tests
Battery (old) Endurance rating 156h Endurance rating 119h
Camera Photo / Video Photo / Video
Display 677 nits max brightness (measured) 814 nits max brightness (measured)
Loudspeaker -28.5 LUFS (Average) -30.3 LUFS (Below average)
Performance AnTuTu: 266620 (v8)GeekBench: 1774 (v5.1)GFXBench: 15fps (ES 3.1 onscreen) AnTuTu: 286666 (v8) GeekBench: 1277 (v5.1) GFXBench: 8.1fps (ES 3.1 onscreen)