Phone Comparison - Samsung Galaxy A51 vs Motorola Edge vs Samsung Galaxy S21 5G

Price Comparison (India) - -

general General Info

Manufacturer Samsung Motorola Samsung
Announced December 2019 2020, April 22 2021, January 14
Status Coming Soon - December 12, 2019 Coming soon. Exp. release 2020, May Coming soon. Exp. release 2021, January 29
Price Rs. 23,999 ($0.00) [Similarly Priced] - Rs. 69,999 ($799.99) [Similarly Priced]
Colors Prism Crush White, Black, Pink, Blue Solar Black, Midnight Magenta Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Form Factor Candybar Candybar Candybar
Dimension 158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
161.6 x 71.1 x 9.3 mm
(6.36 x 2.8 x 0.37 in)
151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
Weight 172 g (6.07 oz) 188 g (6.63 oz) 169 g (5.96 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE (unspecified) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100), 71(600) LTE
5G Network - 5G 1,2,3,5,7,25,28,38,41,66,71,78 Sub6 SA/NSA/Sub6/mmWave
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor(In-display)
IP54 splash proof
- Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0 Android 11
User Interface One UI - One UI 3.1
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver), Qualcomm SDM765 Snapdragon 765G (7 nm) Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - International / Qualcomm Snapdragon 888 - USA/China/Korea
GPU Mali-G72 MP3 Adreno 620 Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 8 GB 6 GB 8 GB
Internal Memory 128 GB 128 GB 256 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen FHD+ AMOLED Capacitive Touchscreen FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 6.5 inches 6.67 inches 6.2 inches
Resolution 1080 x 2340 pixels (396 ppi) 1080 x 2340 pixels (386 ppi) 1080 x 2400 pixels (424 ppi)
Screen-to-Body Ratio 89.06% 95.24% 86.12%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio No FM radio (Snapdragon model only; market/operator dependent)
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP + 5 MP 64 MP + 8 MP + 16 MP 12 MP + 64 MP + 12 MP
Flash LED Flash LED Flash LED Flash
Features 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
64 MP, f/1.9, (wide), 1/1.72", 0.8µm, PDAF, Laser AF
8 MP, f/2.4, (telephoto), 3x optical zoom, PDAF, Laser AF
16 MP, f/2.2, 13mm (ultrawide)
Panorama, HDR
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm (ultrawide), 1.4µm, Super Steady video
Auto-HDR, Panorama
Video 2160p@30fps, 1080p@30fps 2160p@30fps, 1080p@30/60fps 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
25 MP, f/2.0, 0.9µm
HDR
1080p@30fps [Similar]
10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF, Dual video call, Auto-HDR, 4K@30/60fps, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth 5.0, A2DP, LE 5.1, A2DP, LE 5.0, A2DP, LE
Wi-Fi 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 Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go Type-C 1.0 reversible connector USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 6 GB RAM or 128 GB, 4 GB RAM (UFS 2.1) 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor not present barometer sensor not present barometer sensor present
NFC NFC not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Power bank/Reverse wireless charging 4.5W
Capacity 4000 mAh 4500 mAh 4000 mAh
Stand by - - -
Talk Time - - -