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Specifications
 

Samsung Galaxy M51

Samsung Galaxy A71

Full Differences
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Samsung Galaxy M51
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Samsung Galaxy M51

Samsung Galaxy A71

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66
Speed HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A
Launch
Announced 2020, August 31 2019, December 12
Status Available. Released 2020, September 11 Available. Released 2020, January 17
Body
Dimensions 163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in) 163.6 x 76 x 7.7 mm (6.44 x 2.99 x 0.30 in)
Weight 213 g (7.51 oz) 179 g (6.31 oz)
Build Glass front (Gorilla Glass 3+), plastic back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display
Type Super AMOLED Plus Super AMOLED Plus
Size 6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~87.2% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~393 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Protection Corning Gorilla Glass 3+ Corning Gorilla Glass 3
Platform
OS Android 10, upgradable to Android 11, One UI 3.1 Android 10, upgradable to Android 11, One UI 3.1
Chipset Qualcomm SDM730 Snapdragon 730G (8 nm) Qualcomm SDM730 Snapdragon 730 (8 nm) - Global
Qualcomm SDM730 Snapdragon 730G (8 nm) - Philippines
CPU Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU Adreno 618 Adreno 618
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM 128GB 6GB RAM, 128GB 8GB RAM
  UFS 2.1
Main Camera
Modules 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF
12 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), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30/240fps, 1080p@960fps; gyro-EIS
Selfie Camera
Modules 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Features HDR HDR
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30fps
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC Yes Yes (market dependent)
Infrared port No No
Radio FM radio, RDS FM radio
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  ANT+
Battery
Type Li-Po 7000 mAh, non-removable Li-Ion 4500 mAh, non-removable
Charging Fast charging 25W, 100% in 115 min (advertised)
Reverse charging
Fast charging 25W
Stand-by
Talk time
Misc
Colors Celestial Black, Electric Blue, White Prism Crush Black, Prism Crush Silver, Prism Crush Blue, Prism Crush Pink
SAR 1.38 W/kg (head)     0.98 W/kg (head)     0.90 W/kg (body)    
SAR EU 0.61 W/kg (head)     1.45 W/kg (body)     0.51 W/kg (head)     1.56 W/kg (body)    
Models SM-M515F, SM-M515F/DSN SM-A715F, SM-A715F/DS, SM-A715F/DSN, SM-A715F/DSM, SM-A715W, SM-A715X
Price $ 379.00 / £ 575.00 / ₹ 19,999 $ 319.99 / £ 304.99 / € 386.48 / ₹ 34,990
Tests
Performance AnTuTu: 266620 (v8)
GeekBench: 1774 (v5.1)
GFXBench: 15fps (ES 3.1 onscreen)
AnTuTu: 192 458(v7), 263396 (v8)
GeekBench: 7039 (v4.4), 1733 (v5.1)
GFXBench: 15fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -28.5 LUFS (Average) -29.0 LUFS (Average)
Audio quality Noise -93.5dB / Crosstalk -92.6dB
Battery life Endurance rating 156h Endurance rating 102h

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