Side-by-side technical data

Xiaomi Black Shark 3S vs Samsung W21 5G

Comparison between Xiaomi Black Shark 3S and Samsung W21 5G: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi and Samsung.

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Xiaomi

Black Shark 3S

Samsung

W21 5G

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The verdict

Neither runs away with it: each wins something.

Category
Category	Black Shark 3S	W21 5G
Design & display	6.5	6.9
Performance & hardware	7.7	6.8
Camera	5.5	7.5
Connectivity	6.0	4.8
Battery & charging	6.6	6.4

Which one is for you?

Xiaomi Black Shark 3S, if you care about…

Battery Capacity: 4,729 mAh; against 4,500 mAh
RAM Type: DDR5; against LPDDR5
Display Pixel Density: 395 ppi; against 372 ppi
Weight: 222 g; against 288 g

Samsung W21 5G, if you care about…

Maximum Storage Capacity: 512 GB; against 256 GB
Battery Features: Battery Level Indicator, Wireless Charging, Fast Charging, Rechargeable, Reverse Wireless Charging; against Fast Charging, Wireless Charging, Battery Level Indicator, Rechargeable
Body Thickness: 6.9 mm; against 10.4 mm
Display Diagonal: 7.6″; against 6.67″

Specification comparison

Show differences only

Performance

Specification	Black Shark 3S	W21 5G
Processor Model	Qualcomm Snapdragon 865	Qualcomm Snapdragon 865 Plus
Processor Process Size	7 nm	7 nm
Graphics GPU	Qualcomm Adreno 650	Qualcomm Adreno 840
Storage Type	UFS 3.1	UFS 3.1
Maximum CPU Clock	2.84 GHz	3.1 GHz Best value
Maximum Storage Capacity	256 GB	512 GB Best value
AnTuTu Score	—	595,000
Geekbench 6 Single-Core	1,117	—
Geekbench 6 Multi-Core	3,274	—
CPU Description	Octa-core CPU with 1 × 2.84 GHz Cortex-A77, 3 × 2.42 GHz Cortex-A77 and 4 × 1.80 GHz Cortex-A55 cores.	—
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	12 GB	12 GB
RAM Type	DDR5 Best value	LPDDR5

Design

Specification	Black Shark 3S	W21 5G
Body Colors	Black, Blue	Gold
Body Thickness	10.4 mm	6.9 mm Best value
Body Width	77.3 mm	128.2 mm
Body Height	168.7 mm	159.2 mm
Weight	222 g Best value	288 g
Usable Surface	82.4 %	—
Body Materials	Glass, Aluminium Alloy	Glass
Foldable	No	Yes

Battery

Specification	Black Shark 3S	W21 5G
Battery Capacity	4,729 mAh Best value	4,500 mAh
Battery Type	Li-Polymer	Li-Polymer
Fast Charge Power	65 W Best value	25 W
Battery Features	Fast Charging, Wireless Charging, Battery Level Indicator, Rechargeable	Battery Level Indicator, Wireless Charging, Fast Charging, Rechargeable, Reverse Wireless Charging Best value
Wireless charging power	18 W Best value	11 W

Display

Specification	Black Shark 3S	W21 5G
Display Aspect Ratio	20:9	—
Display Technology	AMOLED	Dynamic AMOLED 2X
Peak Display Brightness	500 nits	—
Display Diagonal	6.67″	7.6″ Best value
Display Horizontal Resolution	1,080 px	1,768 px Best value
Display Vertical Resolution	2,400 px Best value	2,208 px
Display Pixel Density	395 ppi Best value	372 ppi
Display Refresh Rate	120 Hz	120 Hz
Display Features	HDR10+, Always-On Display, Touchscreen	Always-On Display, Touchscreen, HDR10+, Secondary Display

Sensors

Specification	Black Shark 3S	W21 5G
Fingerprint Sensor Placement	Under Display	Side

Sensor

Specification	Black Shark 3S	W21 5G
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass	Accelerometer, Barometer, Compass, Fingerprint Sensor, Gyroscope

Software

Specification	Black Shark 3S	W21 5G
Operating System	Android 10	Android 10
OS Family	Android	Android
OS Version	10	10

Connectivity

Specification	Black Shark 3S	W21 5G
SIM Configurations	Dual Nano-SIM	Dual Nano-SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B20, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 5G NR n41, 5G NR n78, 5G NR n79	—
Cellular Technologies	GSM, CDMA, HSPA, EVDO, LTE, 5G	5G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac/6, Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)	Wi-Fi 6 (802.11ax)
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band
Bluetooth Version	Bluetooth 5.0	Bluetooth 5
Bluetooth Profiles	A2DP, LE, aptX HD, aptX Adaptive	—
Navigation Systems	GPS, GLONASS, Galileo, QZSS, BeiDou Best value	GPS
Connectivity Features	3.5 mm Audio Jack, USB Type-C, USB Charging, DLNA	NFC, USB Type-C, ANT+
USB Version	USB 2.0	USB 3.2 Best value
Max. download speed	2,000 Mbps	7,500 Mbps Best value
Max. upload speed	318 Mbps	3,000 Mbps Best value

Audio

Specification	Black Shark 3S	W21 5G
Microphone Count	2	2
Audio Features	Stereo Speakers, A2DP, LE, aptX HD, aptX Adaptive	Stereo Speakers