Phone Comparison - Samsung Galaxy A7 (2018) vs Samsung Galaxy A21s vs Realme 8

Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung Realme
Announced September 2018 Expected Announcement - May 2020 March 2021
Status Available Rumored Coming Soon - March 2021
Price Rs. 18,990 ($0.00) [Similarly Priced] - Rs. 14,999 ($0.00) [Similarly Priced]
Colors Black, blue, gold, pink Black, White, Blue Cyber Silver, Cyber Black
Form Factor Candybar Candybar Candybar
Dimension 159.8 x 76.8 x 7.5 mm
(6.29 x 3.02 x 0.3 in)
8.9 mm thickness
(0.35 in thickness)
160.6 x 73.9 x 8 mm
(6.32 x 2.91 x 0.31 in)
Weight 168 g (5.93 oz) 191 g (6.74 oz) 177 g (6.24 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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
3G Network HSDPA 850 / 900 / 1900 / 2100 - A750F/DS, A750FN/DS
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A750G
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) - A750F/DS, A750FN/DS LTE 1, 3, 5, 8, 38, 40, 41
SAR EU 0.34 W/kg (head)
1.43 W/kg (body)
- W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging
Build Features Fingerprint Sensor
Samsung Pay
- Fingerprint Sensor
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android 8.0 (Oreo), planned upgrade to Android 9.0 (Pie) Android 10.0 Android 11
User Interface - One UI 2.0 realme UI 2.0
Processor Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) Octa-core 2.0 GHz, Exynos 850 Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek Helio G95 (12 nm)
GPU Mali-G71 - Mali-G76 MC4
RAM 4/6 GB 3 GB 8 GB
Internal Memory 128 GB 64 GB 128 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass (unspecified Version) PLS TFT Capacitive Touchscreen Super AMOLED Screen
1000 nits (peak)
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 6.0 inches 6.55 inches 6.4 inches
Resolution 1080 x 2220 pixels (411 ppi) 720 x 1600 pixels (268 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio 74.61% - 83.41%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 24 MP + 8 MP + 5 MP 48 MP + 8 MP + 2 MP 64 MP + 8 MP + 2 MP + 2 MP
Flash LED Flash LED Flash LED Flash
Features 24 MP, f/1.7, 27mm (wide), PDAF
8 MP, f/2.4, 18mm (ultrawide)
5 MP, f/2.2, depth sensor
Panorama, HDR
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
Panorama, HDR
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF
8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
Video 1080p@30fps (gyro-EIS) 1080p@30fps 4K@30fps, 1080p@30/60/120fps, gyro-EIS
Front Camera 24 MP, f/2.0, 26mm (wide)
HDR, 1080p@30fps [Similar]
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
16 MP, f/2.5, (wide), 1/3.0" 1.0µm
HDR, panorama
1080p@30/120fps, gyro-EIS [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.1, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot 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
USB microUSB 2.0 Yes USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS Yes, with A-GPS, GLONASS, BDS
Browser Yes Yes

memory User Memory

Internal 128 GB, 4/6 GB RAM or 64 GB, 4 GB RAM 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC microSDXC (dedicated 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 not present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor present
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Fast battery charging 30W, 50% in 26 min, 100% in 65 min (advertised) VOOC 4.0
Capacity 3300 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -