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Smartphone 1

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Samsung Galaxy M21

Smartphone 2

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Samsung Galaxy A51

Smartphone 3

Samsung Galaxy M21 vs Samsung Galaxy A51 : What is the Difference?

  • Release Date: 2020, March 18 | 2019, December
  • Dimensions: 159 x 75.1 x 8.9 mm | 158.5 x 73.6 x 7.9 mm
  • Weight: 188 g | 172 g
  • Screen: 6.4", Super AMOLED | 6.5", Super AMOLED
  • Main Camera: Triple, 48 MP | Quad, 48 MP
  • Selfi Camera: Single, 20 MP | Single, 32 MP
  • Memory: 64GB 4GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  • Battery: 6000 mAh | 4000 mAh
  • Headphone Jack: Yes | Yes
  • Approximate price: 160 EUR | $280

Continue reading and check the table below for full detailed comparison of all phones specs .


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Common features
Release date 2020, March 18 2019, December
Dimensions (HxWxD) 159 Х 75.1 Х 8.9 mm 158.5 Х 73.6 Х 7.9 mm
Weight 188 g 172 g
Body Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
Colors Midnight Blue, Raven Black Prism Crush Black, White, Blue, Pink
Battery 6000 mAh,  Non-removable Li-Po 4000 mAh,  Non-removable Li-Po
Battery life Talking time - Up to 32 h (3G)
Music play - Up to 87 h
Approximate price 160 EUR $280

Performance
Operating system - OS Android 10.0; One UI 2 Android 10.0; One UI 2
Chipset - Exynos 9611 (10nm) - Exynos 9611 (10nm)
Processor CPU - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU Mali-G72 MP3 Mali-G72 MP3
External memory microSDXC (dedicated slot) microSD, up to 1 TB (dedicated slot)
Internal memory 64GB 4GB RAM, 128GB 6GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Antutu 8 score 182451 186846
Antutu 7 score 155326
GeekBench 5 Single Core 322
GeekBench 5 Multi-Core 1212

Screen
Technology Super AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.4" inc 6.5" inc
Screen area 100.5 cm2 102.0 cm2
Screen format 19.5:9 (height:width) 20:9 (height:width)
Screen to body ratio 84.2% 87.4%
Screen resolution 1080 x 2340 px 1080 x 2400 px
Screen PPI /points per inch/ 403 PPI 405 PPI
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Other specs - 420 nits max brightness
Camera and Video
Rear camera, main 48 MP, Triple 48 MP, Quad
Camera specs -48 MP, f/2.0, 26mm (wide), 1/2.0'', 0.8µm, PDAF
-8 MP, f/2.2, 12mm (ultrawide), 1/4.0'', 1.12µm
-5 MP, f/2.2, (depth)
-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
-12 MP, f/2.2, 12mm (ultrawide)
-5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
-5 MP, f/2.2, 1/5.0", 1.12µm, depth sensor
Functions LED flash, panorama, HDR LED flash, panorama, HDR
Video 2160p@30fps, 1080p@30fps, gyro-EIS 2160p@30fps, 1080p@30/120fps; gyro-EIS
Front camera, selfie 20 MP, Single 32 MP, Single
Specifications 20 MP, f/2.0, 26mm (wide) 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Functions HDR HDR
Video 1080p@30fps 1080p@30fps
Communication and Connectivity
SIM card Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by)
Network GSM / HSPA / LTE GSM / HSPA / LTE
Show all network frequencies:
Speed HSPA, LTE-A HSPA, LTE-A
GPRS Yes Yes
Edge Yes Yes
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
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC Yes
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Harmful irradiation SAR - 0.47 W/kg (head)     SAR - 0.80 W/kg (head) 0.67 W/kg (body)
SAR EU - 0.37 W/kg (head) 1.59 W/kg (body)
Music and Audio
Radio FM radio, RDS, recording FM radio
Headphone jack Yes Yes
Others - Active noise cancellation with dedicated mic
Other features
Sensors - Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other extras
- Fast charging 15W

- ANT+
- Fast battery charging 15W
Versions
- Versions: SM-A515F/DSN (Global); SM-A515F/DS (LATAM); SM-A515F/DST (Brazil); SM-A515F/DSM (Russia); SM-A515F/N (Australia)



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