Phone Comparison - Xiaomi Black Shark 2 vs Realme 7 Pro vs Samsung Galaxy S21 5G

Price Comparison (India) -

general General Info

Manufacturer Xiaomi Realme Samsung
Announced March 2019 2020, September 03 2021, January 14
Status Available - March 2019 Coming soon. Exp. release 2020, September 14 Coming soon. Exp. release 2021, January 29
Price Rs. 39,999 ($0.00) [Similarly Priced] Rs. 19,999 ($0.00) [Similarly Priced] Rs. 69,999 ($799.99) [Similarly Priced]
Colors Black, Silver, Blue Mirror Blue, Mirror Silver Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Form Factor Candybar Candybar Candybar
Dimension 163.6 x 75 x 8.8 mm
(6.44 x 2.95 x 0.35 in)
160.9 x 74.3 x 8.7 mm
(6.33 x 2.93 x 0.34 in)
151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
Weight 205 g (7.23 oz) 182 g (6.42 oz) 169 g (5.96 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) 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
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 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 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 4(1700/2100), 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), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) LTE
5G Network - - SA/NSA/Sub6/mmWave
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor (under display, optical)
- 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 Android 11
User Interface - Realme UI One UI 3.1
Processor Octa-core (1x2.84 GHz Kryo 485 & 3x2.41 GHz Kryo 485 & 4x1.78 GHz Kryo 485), Qualcomm SDM855 Snapdragon 855 (7 nm) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 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 640 Adreno 618 Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 8/12 GB 8 GB 8 GB
Internal Memory 256 GB 128 GB 256 GB
External Memory No Unspecified microSDXC (uses shared SIM slot)

display Display

Type AMOLED Capacitive Touchscreen Super AMOLED capacitive touchscreen
Corning Gorilla Glass 3+
Always-on display
FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M Colour 16M Colour
Size 6.39 inches 6.4 inches 6.2 inches
Resolution 1080 x 2340 pixels (403 ppi) 1080 x 2400 pixels (411 ppi) 1080 x 2400 pixels (424 ppi)
Screen-to-Body Ratio 81.82% 82.81% 86.12%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 12 MP 64 MP + 8 MP + 2 MP + 2 MP 12 MP + 64 MP + 12 MP
Flash LED Flash LED Flash LED Flash
Features 48 MP, f/1.8, 1/2", 0.8µm, PDAF
12 MP, f/2.2, (telephoto), 1.0µm, PDAF, 2x optical zoom
HDR, Panorama
64 MP, f/1.8, 26mm (wide), 1/1.72", 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
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, 720p@120fps 4K@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 20 MP, f/2.0, 0.9µm
HDR, 1080p@30fps [Similar]
32 MP, f/2.5, 24mm (wide), 1/2.8", 0.8µm
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 (3CA) HSPA 42.2/5.76 Mbps, LTE-A (CA) HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth 5.0, A2DP, aptX HD, LE 5.1, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi 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 2.0, Type-C 1.0 reversible connector USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser Yes Yes Yes

memory User Memory

Internal 256 GB, 8/12 GB RAM, 128 GB, 6/8 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.1) 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage No Unspecified 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 not present gyroscope sensor present
Barometer Sensor barometer sensor not present barometer sensor not present barometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 65W, 50% in 12 min, 100% in 34 min (advertised)
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 - - -