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Smartphone 1

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Samsung Galaxy A21

Smartphone 2

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Samsung Galaxy A51

Smartphone 3

Samsung Galaxy A21 vs Samsung Galaxy A51 : What is the Difference?

  • Release Date: 2020, April 8 | 2019, December
  • Dimensions: 167.8 x 76.7 x 8.1 mm | 158.5 x 73.6 x 7.9 mm
  • Weight: 193 g | 172 g
  • Screen: 6.5", IPS LCD | 6.5", Super AMOLED
  • Main Camera: Quad, 16 MP | Quad, 48 MP
  • Selfi Camera: Single, 13 MP | Single, 32 MP
  • Memory: 32GB 3GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  • Battery: 4000 mAh | 4000 mAh
  • Headphone Jack: Yes | Yes
  • Approximate price: 199 EUR | $280

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


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Common features
Brand and model Samsung Galaxy A21 Samsung Galaxy A51
Release date 2020, April 8 2019, December
Dimensions (HxWxD) 167.8 Х 76.7 Х 8.1 mm 158.5 Х 73.6 Х 7.9 mm
Weight 193 g 172 g
Body Build Glass front, plastic back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
Colors Black Prism Crush Black, White, Blue, Pink
Battery 4000 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 199 EUR $280

Screen
Technology IPS LCD Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.5" inc 6.5" inc
Screen area 102.0 cm2 102.0 cm2
Screen format 20:9 (height:width) 20:9 (height:width)
Screen to body ratio 79.3% 87.4%
Screen resolution 720 x 1600 px 1080 x 2400 px
Screen PPI /points per inch/ 270 PPI 405 PPI
Screen protection Corning Gorilla Glass 3

Camera and Video
Rear camera, main 16 MP, Quad 48 MP, Quad
Camera specs -16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF
-8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
-2 MP, f/2.4, (macro)
-2 MP, f/2.4, (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 1080p@30fps 2160p@30fps, 1080p@30/120fps; gyro-EIS
DxOMark Main Score 87
DxOMark Photo 90
DxOMark Video 86
Front camera, selfie 13 MP, Single 32 MP, Single
Specifications 13 MP, f/2.0, (wide) 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Functions HDR
Video 1080p@30fps 1080p@30fps
Performance
Operating system - OS Android 10.0; One UI 2.0 Android 10.0; One UI 2
Chipset - Exynos 9611 (10nm)
Processor CPU - Octa-core (4x2.3 GHz & 4x1.8 GHz) - Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU Mali-G72 MP3
External memory microSDXC (dedicated slot) microSD, up to 1 TB (dedicated slot)
Internal memory 32GB 3GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Antutu 8 score 192677
Antutu 7 score 155326
GeekBench 5 Single Core 322
GeekBench 5 Multi-Core 1212
Communication and Connectivity
SIM card Single SIM (Nano-SIM)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 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps 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 (market/region dependent) 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 - 1.27 W/kg (head) 0.60 W/kg (body) 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 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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Samsung Galaxy A21 vs Samsung Galaxy A51


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