Side-by-side technical data

Xiaomi Black Shark 4S Pro vs Xiaomi Redmi K40 Pro Plus

Comparison between Xiaomi Black Shark 4S Pro and Xiaomi Redmi K40 Pro Plus: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.

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Black Shark 4S Pro

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Redmi K40 Pro Plus

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The verdict

Neither runs away with it: each wins something.

Category
Category	Black Shark 4S Pro	Redmi K40 Pro Plus
Design & display	7.2	7.2
Performance & hardware	8.6	7.2
Camera	5.2	6.2
Connectivity	6.8	7.3
Battery & charging	5.5	4.9

Which one is for you?

Xiaomi Black Shark 4S Pro, if you care about…

RAM Capacity: 16 GB; against 12 GB
Display Refresh Rate: 144 Hz; against 120 Hz
Maximum Storage Capacity: 512 GB; against 256 GB
RAM Type: DDR5; against LPDDR5

Xiaomi Redmi K40 Pro Plus, if you care about…

Wi-Fi Standards: Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E; against Wi-Fi 802.11a/b/g/n/ac/6, Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Weight: 196 g; against 220 g
Body Thickness: 7.8 mm; against 9.9 mm
Geekbench 6 Single-Core: 1,002; against 870

Specification comparison

Show differences only

Performance

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Processor Model	Qualcomm Snapdragon 888+	Qualcomm Snapdragon 888
Processor Process Size	5 nm	5 nm
Graphics GPU	Qualcomm Adreno 660	Qualcomm Adreno 660
Storage Type	UFS 3.1	UFS 3.1
Maximum CPU Clock	3.2 GHz Best value	2.84 GHz
Maximum Storage Capacity	512 GB Best value	256 GB
AnTuTu Score	—	903,172
Geekbench 6 Single-Core	870	1,002 Best value
Geekbench 6 Multi-Core	3,317 Best value	3,014
CPU Description	Octa-core CPU with 1x 3.0 GHz Cortex-X1, 3x 2.42 GHz Cortex-A78, and 4x 1.80 GHz Cortex-A55.	Octa-core CPU with 1 Cortex-X1 core at 2.84 GHz, 3 Cortex-A78 cores at 2.42 GHz, and 4 Cortex-A55 cores at 1.80 GHz.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	16 GB Best value	12 GB
RAM Type	DDR5 Best value	LPDDR5
AnTuTu version	—	v10

Design

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Body Colors	Black, White	Black, White, Aurora, Purple
Body Thickness	9.9 mm	7.8 mm Best value
Body Width	76.2 mm	76.4 mm
Body Height	163.7 mm	163.7 mm
Weight	220 g	196 g Best value
Usable Surface	86.1 % Best value	85.9 %
Body Materials	—	Plastic, Glass
Resistance Features	—	IP53

Battery

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Battery Capacity	4,500 mAh	4,520 mAh Best value
Battery Type	Li-Polymer	Li-Polymer
Fast Charge Power	120 W Best value	33 W
Battery Features	Fast Charging, Rechargeable, Battery Level Indicator	Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator

Display

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Display Aspect Ratio	20:9	20:9
Display Technology	Super AMOLED	Super AMOLED
Peak Display Brightness	1,300 nits	1,300 nits
Display Diagonal	6.67″	6.67″
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,400 px	2,400 px
Display Pixel Density	395 ppi	395 ppi
Display Refresh Rate	144 Hz Best value	120 Hz
Touch Sampling Rate	—	360 Hz
Display Contrast Ratio	60,000 :1	5,000,000 :1 Best value
Display Features	HDR10+, Touchscreen, 144Hz	Gorilla Glass 5, HDR10+, Hole-Punch Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless

Sensors

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Fingerprint Sensor Placement	Side	Side

Sensor

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer	Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Fingerprint Sensor, Light Sensor, RGB Sensor, Cooling System, Virtual Proximity Sensing

Software

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Operating System	Android 11	Android 11
OS Family	Android	Android
OS Version	11	11
Widevine L1	—	Yes

Connectivity

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
SIM Configurations	Dual Nano-SIM	Dual Nano-SIM, Dual SIM Dual Standby
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 B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n8, 5G NR n28, 5G NR n41, 5G NR n77, 5G NR n78, 5G NR n79	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 5G NR n1, 5G NR n3, 5G NR n28, 5G NR n41, 5G NR n77, 5G NR n78
Cellular Technologies	GSM, CDMA, HSPA, EVDO, LTE, 5G	GSM, CDMA, HSPA, CDMA2000, LTE, 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 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E Best value
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi Display, MIMO
Bluetooth Version	Bluetooth 5.2	Bluetooth 5.2
Bluetooth Profiles	A2DP, LE, aptX HD, aptX Adaptive	A2DP, LE
Navigation Systems	GPS, GLONASS, Galileo, QZSS, BeiDou	GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value
Connectivity Features	3.5 mm Audio Jack, NFC, USB Type-C	USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, Infrared, Computer Sync, OTA Sync, Tethering, VoLTE
USB Version	USB 2.0	USB 2.0
Max. download speed	7,500 Mbps	7,500 Mbps
Max. upload speed	3,000 Mbps	3,000 Mbps

Audio

Specification	Black Shark 4S Pro	Redmi K40 Pro Plus
Microphone Count	—	2
Audio Features	Stereo Speakers, Hi-Res Audio, aptX HD, aptX Adaptive, A2DP, LE	Stereo Speakers, Dolby Atmos, Hi-Res Audio, Two Microphones, A2DP, LE