Xiaomi Redmi K20 (128GB) vs Xiaomi Black Shark 3S (128GB)

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Side by side comparison between Xiaomi Redmi K20 vs Xiaomi Black Shark 3S phones, differences, pros, cons and full specifications. What's the better?

5/3/2021 11:19 AM, updated: 11/22/2021 6:09 PM

Compare Xiaomi Black Shark 3S X Xiaomi Redmi K20 (128GB) 08Points

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

15Points Xiaomi Black Shark 3S (128GB) Compare Xiaomi Redmi K20 X

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

64
MP

20mp

12GB
RAM

Octa-core

4729
mAh

(Non removable)

What's the better phone? Xiaomi Black Shark 3S (128GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

8 Advantages Xiaomi Redmi K20 (128GB)	vs	15 Advantages Xiaomi Black Shark 3S (128GB)
+191 grams (6.69 ounces)16% Lighter	vs	222 grams (7.77 ounces)
+8.8 millimeters (0.35 inches)18% Thinner	vs	10.4 millimeters (0.41 inches)
+403 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	395 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2.2GHz 64bit Octa-core (8nm)	vs	+2.84GHz 64bit Octa-core (7nm)25% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+12GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
HDR10	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2340 pixels	vs	+1080x2400 pixels3% Higher resolution screen
6.39"	vs	+6.67"4% Larger screen
(triple camera) 48MP + 8MP + 13MP	vs	+(triple camera) 64MP + 13MP + 5MP19% Higher resolution main camera
1/2" inches	vs	+1/1.72" inches16% The larger sensor camera lets you take photos with better depth.
Android 10	vs	+Android 11Advantage Android 11 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 800 Mbps	vs	+(5G SA/NSA) 2000 Mbps150% Faster for surfing the internet and download files
4000 mAh	vs	+4729 mAh18% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+65W3 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster

27 Common items in both devices

128GB (109GB available) / 128GB (108GB available)

Aluminum frame, glass front/back / Aluminum body, glass front

AMOLED

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

+20 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Change model		Choose the model
Model	Redmi K20 (128GB)	Black Shark 3S (128GB)
Other model names	Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN	小米 Black Shark 3S 5G (128GB + 12GB RAM)
Country or region available	China, India	(Global, International)
Brand	Xiaomi	Xiaomi
Release date	6/1/2019	8/4/2020, Announced: 7/31/2020
Depth	8.8 millimeters (0.35 inches)	10.4 millimeters (0.41 inches)
Size (width x height)	74.3 x 156.7 millimeters (2.93 x 6.17 in)	77.33 x 168.72 millimeters (3.04 x 6.64 in)
Weight	191 grams (6.69 ounces)	222 grams (7.77 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Display type	AMOLED	AMOLED
Screen size	6.39" inches	6.67" inches
Screen-to-body ratio	~86.1% (screen-to-body ratio)	~82.3% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	403 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	60Hz	120Hz
Display features	600nits[typ] HDR10	500nits[typ] HDR10+ Always-On Display
🤖 Operating System
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
System version	Android 9.0 Pie	Android 10
Firmware update	Android 10	Android 11
User Interface	feature not registered	JOYUI 12
⚙️ Processor
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Chipset	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)	64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controller	Qualcomm Adreno 618 (610MHz)	Qualcomm Adreno 650 (250-587MHz)
Performance (benchmark)	feature not registered	AnTuTu: 618083 (v8)
💽 Memory and storage
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
RAM memory	6GB LPDDR4X	12GB LPDDR5
Internal storage	128GB (109GB available) UFS 2.1	128GB (108GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	800/150 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800 (China), GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	MZB7754IN, MZB7755IN, MZB7756IN version: UMTS 850/900/1900/2100 M1903F10A, M1903F10C, M1903F10T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100
Primary 4G network	LTE Cat15/13 VoLTE MZB7754IN, MZB7755IN, MZB7756IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F10A, M1903F10C, M1903F10T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41)	LTE Cat20 (1, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA (41, 78, 79)
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 800/850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Back camera (main camera)	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm	(triple camera) 64 megapixels 13MP ultrawide f/2.3120° 5MP depth f/2.2
Main camera resolution	8000x6000 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 60 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2" inches	1/1.72" inches
Pixel size	0.8µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	1080p@240fps 720p@1920fps
📸 Front camera
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Front camera (secondary)	20 megapixels *Motorized pop-up camera (slider)	20 megapixels
Front camera resolution	5184x3840 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3" inches
Pixel size	0.8µm pixel	0.9µm pixel
🔉 Sound and multimedia
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Loudspeaker	Supported	Stereo sound
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	4729 mAh
Charger, watts	18W (9V/2A) Wired fast charging	65W Wired fast charging Quick Charge 4
Inductive / wireless charging	feature not registered	Magnetic charging (dock)
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+	• Colors: Sky Cloud Black, Crystal Blue • Liquid Cooling System • Physical pop-up gaming triggers
☢️ Radiation rate
	Redmi K20 (128GB)	Xiaomi Black Shark 3S (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.07W/kg (head), 0.72W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered