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Samsung Galaxy A71 SM-A715F/DS (6GB RAM) 128GB vs. Samsung Galaxy A51 SM-A515F/DS (6GB RAM) 128GB
Built-in camera
Yes
Yes
Front camera
Yes
Effective pixels front camera
32 megapixels
Number of front cameras
1 ​
Camera features
Autofocus, Built-in flash/lamp, Electronic image stabilization (EIS)
Effective pixels
64 megapixels
Maximum lens aperture
1.8
Number of rear cameras
4 ​
Sensor format
1/1.72"
Video recording
Yes
Max frame rate (highest resolution)
Max frame rate (regardless of res.)
240 fps
Max resolution (highest frame rate)
1920x1080 (HD 1080) pixels
Maximum resolution (video)
3840x2160 (4K Ultra HD) pixels
2G (GSM)
Yes
Yes
3G (UMTS)
Yes
Yes
HSPA+
Yes
4G (LTE)
Yes
Yes
4G: Speed (down/up)
5G (NR)
No
Bluetooth
Yes
Yes
Bluetooth codec
Bluetooth profile
A2DP
Bluetooth version
5.0
Built-in navigation system
Yes
Type of navigation system
GPS, A-GPS, BeiDou, Galileo, GLONASS
NFC
Yes
Wireless network (Wi-Fi)
Yes
Yes
Wireless networking standard
802.11a, 802.11b, 802.11g, 802.11n (Wi-Fi 4), 802.11ac (Wi-Fi 5)
Streaming standards
Data connector
USB
USB
Type of USB connector
USB (Type C)
USB On-The-Go (OTG)
Yes
USB version
2.0
Headphone output (2.5/3.5 mm)
Yes
Type of connection
3.5 mm
Colour
Black, Silver, Blue, White
Black, Silver, White
Developed especially for seniors
No
No
Physical keyboard/numpad
No
Dimensions (WxHxD)
Depth
7.7 mm
Height
163.6 mm
Width
76 mm
Product weight
179 g
Built-in sensors
Proximity sensor, Accelerometer, Gyroscope, Barometer
Built-in wireless charging
No
Dual SIM card support
Yes
Hybrid Dual Sim
No
Type of Dual SIM
Dual SIM cards
Features
FM radio, ANT+
Security
Fingerprint reader, Face scanner
SIM card
Nano sim
Nano sim
Supports fast charging
Yes
Type of quick charge
Samsung Adaptive Fast Charge
Water resistant
No
Series
Galaxy A51
Aspect ratio
20:9
Display features
Scratch resistant display, HDR
Display technology
OLED (AMOLED)
OLED (AMOLED)
Display
Colour
Colour
Number of colours
16 777 216 colours
Pixel density
393 PPI
Screen resolution (HxV)
1080x2400 pixels
Screen size
6.7 inches
6.7 inches
Touchscreen
Yes
Yes
Material (body/chassis)
Glass, Plastic
RAM size
6GB
6GB
Release year
2020
2020
Battery capacity
4500 mAh
7000 mAh
Exchangeable battery
No
Graphics processor (GPU)
Yes
Graphics processor type
Adreno 618
Processor core type
8 (Octa) Core
Processor speed
2.2 GHz
2.2 GHz
SoC/CPU (System on Chip)
Qualcomm Snapdragon 730 SDM730
Operating system (latest version)
Android 10 (Android Q)
Android 10 (Android Q)
Support for alternative firmware
Internal storage space (size)
128 GB
128 GB
Memory card reader
Yes
Yes
Compatible memory cards
microSD, microSDHC, microSDXC
microSD, microSDXC
Maximum memory card size
512GB
