Xiaomi Black Shark 4S (256GB) vs Bq Aquaris X2 Pro (128GB)

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Side by side comparison between Xiaomi Black Shark 4S vs Bq Aquaris X2 Pro phones, differences, pros, cons and full specifications. What's the better?

10/14/2021 3:28 PM, updated: 1/25/2023 8:12 AM

Compare Bq Aquaris X2 Pro X Xiaomi Black Shark 4S (256GB) 17Points

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

48
MP

20mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

08Points Bq Aquaris X2 Pro (128GB) Compare Xiaomi Black Shark 4S X

Specifications Compare Models Pictures

5.65"
IPS

1080x2160

12
MP

8mp

6GB
RAM

Octa-core

3100
mAh

(Non removable)

What's the better phone? Xiaomi Black Shark 4S (256GB)

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!

17 Advantages Xiaomi Black Shark 4S (256GB)	vs	8 Advantages Bq Aquaris X2 Pro (128GB)
+3.2GHz 64bit Octa-core (7nm)32% More powerful processor, you can open your applications faster	vs	2.2GHz 64bit Octa-core
+12GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+256GB (221GB available)107% More internal storage for applications and files	vs	128GB (107GB available)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	LTPS IPS LCD
+1080x2400 pixels11% Higher resolution screen	vs	1080x2160 pixels
+6.67"18% Larger screen	vs	5.65"
+(triple camera) 48MP + 8MP + 5MP3 times Higher resolution main camera	vs	(dual camera) 12MP + 5MP
+1/2" inches40% The larger sensor camera lets you take photos with better depth.	vs	1/2.8" inches
+(front) 20MP149% Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+Android 12Advantage Android 12 is newer and safer	vs	Android 8.1 Oreo
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+4500 mAh45% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3100 mAh
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
Not supported	vs	+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards
210 grams (7.35 ounces)	vs	+168 grams (5.88 ounces)25% Lighter
9.9 millimeters (0.39 inches)	vs	+8.35 millimeters (0.33 inches)19% Thinner
395 PPI	vs	+427 PPI8% Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flash	vs	+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
Not supported	vs	+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+Water splash resistant (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example

23 Common items in both devices

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

f/1.8 (aperture)

4K UHD (3840x2160)

+16 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
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Change model		Choose the model
Model	Black Shark 4S (256GB)	Aquaris X2 Pro (128GB)
Other model names	黑鲨4S, Black Shark 4S (128GB+12GB RAM)	BQ Aquaris X2 Pro 6GB RAM + 128GB
Country or region available	(Global, International)	Spain, (Europe)
Brand	Xiaomi	Bq
Release date	10/16/2021, Announced: 10/13/2021	6/1/2018
Depth	9.9 millimeters (0.39 inches)	8.35 millimeters (0.33 inches)
Size (width x height)	76.21 x 163.69 millimeters (3 x 6.44 in)	72.3 x 150.7 millimeters (2.85 x 5.93 in)
Weight	210 grams (7.35 ounces)	168 grams (5.88 ounces)
Build, materials	Aluminum body, glass front, plastic back	feature not registered
Protection against water and others	Not supported	Water splash resistant (don't immerse)
📲 Display
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Display type	Super AMOLED	LTPS IPS LCD
Screen size	6.67" inches	5.65" inches
Screen-to-body ratio	~86.1% (screen-to-body ratio)	~75.6% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2160 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	395 PPI	427 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass
Refresh rate	144Hz	feature not registered
Display features	1300nits[peak] HDR10+ Always-On Display Touch Sampling Rate: 720Hz	feature not registered
🤖 Operating System
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
System version	Android 11	Android 8.1 Oreo
Firmware update	Android 12	feature not registered
User Interface	Joy UI 12 / 13	feature not registered
⚙️ Processor
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Chipset	64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm)	64bit: Qualcomm Snapdragon 660 SDM660 (14nm)
CPU	Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 650 (670MHz)	Qualcomm Adreno 512 650Mhz
Performance (benchmark)	AnTuTu: 710538 (v9) Geekbench: 3451 (v5.1)	feature not registered
💽 Memory and storage
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
RAM memory	12GB LPDDR5	6GB LPDDR4X
Internal storage	256GB (221GB available) UFS 3.1	128GB (107GB available)
External storage	Not supported	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/1024 Mbps	300/50 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
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, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat6 (Bands 1,3,7,20)
Primary 5G network	SA/NSA (1, 3, 8, 28, 41, 77, 78)	Not supported
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, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 800/850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE
📷 Camera
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Back camera (main camera)	(triple camera) 48 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 5MP macro f/2.4AF	(dual camera) 12 megapixels 5MP depth 1/5"1.12µm
Main camera resolution	8000x6000 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED on main camera and LED on front camera
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/2" inches	1/2.8" inches
Pixel size	0.8µm pixel	1.29µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion)	feature not registered
📸 Front camera
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Front camera (secondary)	20 megapixels	8 megapixels
Front camera resolution	5184x3840 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	0.8µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Loudspeaker	Stereo sound with dual speakers 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	USB Type-C SlimPort®
Bluetooth	5.2 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4500 mAh	3100 mAh
Charger, watts	120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Black, White, Gundam • Liquid Cooling System • Physical pop-up gaming triggers	• Colors: Midnight Black, Glaze White, Deep Silver • Android One • USB OTG On-The-Go • 2.5D curved glass screen • Aluminum frame • 3D glass back panel • Fast battery charging • Quick Charge 3.0 • 24-bit/192kHz audio • IP52 certified: protection against dust and splashing
☢️ Radiation rate
	Xiaomi Black Shark 4S (256GB)	Bq Aquaris X2 Pro (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.495W/kg (head), 1.451W/kg (body)