Samsung Galaxy A21s Samsung Galaxy A51

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Samsung Galaxy A21s vs Samsung Galaxy A51

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Samsung Galaxy A21s

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Samsung Galaxy A51

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Samsung Galaxy A21s Samsung Galaxy A51
Build
Operating system
Android 10 Android 9.0 (Pie)
Dimensions
163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in) 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)
Weight
192 g 172 g
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Colors
Black, White, Blue, Red Prism, Crush Black, White, Blue, Pink
Launch
Released
Jun, 2020 Dec, 2019
Status
Available Available
Frequency
Data
GSM / HSPA / LTE GSM / HSPA / LTE
2G Band
GSM 850 / 900 / 1800 / 1900,GSM 850 / 900 / 1800 / 1900 - (Dual SIM model only) GSM 850 / 900 / 1800 / 1900,GSM 850 / 900 / 1800 / 1900 - (Dual SIM model only)
3G Band
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Band
LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) 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), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
5G Band
NA NA
Processor
CPU
Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Chipset
Exynos 850 (8nm) Exynos 9611 (10nm)
GPU
Mali-G52 Mali-G72 MP3
DISPLAY
Technology
PLS TFT capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Size
6.5 inches 6.5 inches
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density) 1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Protection
NA Corning Gorilla Glass 3
Extra Features
NA NA
Memory
Ram
3-6GB RAM 4/6GB RAM
Storage Memory
32/64GB Built-in 64/128GB Built-in
Memory Card
microSD, up to 256GB (dedicated slot) microSD, up to 1 TB (dedicated slot)
Camera
Main
Quad 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 123? (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Quad 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide), 1.12µm
5 MP, f/2.4, 40mm (telephoto), dedicated macro camera
5 MP, f/2.2, (wide), 1/5.0", 1.12µm, depth sensor
Features
LED flash, panorama, HDR Video 1080p@30fps LED flash, panorama, HDR Video 1080p@30fps
Front
13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Video 1080p@30fps
32 MP, f/2.2, 25mm (wide), 1/2.8", 0.8µm
HDR Video 1080p@30fps
Connectivity
WLAN (WIFI)
Wi-Fi 802.11 b/g/n, 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 Yes, with A-GPS, GLONASS, GALILEO, BDS
USB
microUSB 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
NFC
No Yes
Features
Sensors
Fingerprint (rear-mounted), accelerometer, proximity Fingerprint (under display, optical), accelerometer, gyro, proximity, compass ANT+
Torch
Yes Yes
Extra
NA NA
Battery
Capacity
Non-removable Li-Po, 5000 mAh Non-removable Li-Po ,4000 mAh
Charging
Fast charging 15W Fast battery charging 15W
Pricing
Price
USD $211 USD $313
Comparison Result
Result
3 Greens 4 Greens
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