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Motorola Primus (XT621) vs Xiaomi Black Shark 3S (128GB)

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

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Compare Xiaomi Black Shark 3S X Motorola Primus (XT621) 05Points
Motorola Primus (XT621)
Specifications Compare Models Pictures
4"
TFT

480x800

5
MP
1GB
RAM

Single-core

1860
mAh

(Removable)

vs
30Points Xiaomi Black Shark 3S (128GB) Compare Motorola Primus X
Xiaomi Black Shark 3S (128GB)
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!

Primus (XT621)} 5 Advantages Motorola Primus (XT621) vs Black Shark 3S (128GB)} 30 Advantages Xiaomi Black Shark 3S (128GB)
+Until 32GB microSD, microSDHCAdvantage
More external storage for files using memory cards		vsNot supported
+145 grams (5.08 ounces)53%
Lighter		vs222 grams (7.77 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily		vsLiPo: li-ion polymer (Non removable)
+FMAdvantage
The radio lets you listen to your songs and sports in general		vsNot supported
+Gorilla GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys		vsNot supported
1.2GHz 32bit Single-corevs+2.84GHz 64bit Octa-core (7nm)4 times
More powerful processor, you can open your applications faster
1GB LPDDR2vs+12GB LPDDR511 times
More RAM memory. Typically more responsive and better for multitasking.
4GB (1GB available)vs+128GB (108GB available)107 times
More internal storage for applications and files
12.3 millimeters (0.48 inches)vs+10.4 millimeters (0.41 inches)18%
Thinner
TFT LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
480x800 pixelsvs+1080x2400 pixels6 times
Higher resolution screen
233 PPIvs+395 PPI70%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4"vs+6.67"67%
Larger screen
(back) 5MPvs+(triple camera) 64MP + 13MP + 5MP15 times
Higher resolution main camera
Not supportedvs+PDAF: phase detection autofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+EIS: Digital stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supportedvs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
Not supportedvs+(front) 20MPAdvantage
A front-camera is best for taking selfies
HD (1280x720)vs+4K UHD (3840x2160)8 times
More image quality for recording videos with the primary camera
Android 2.3.6 Gingerbreadvs+Android 11Advantage
Android 11 is newer and safer
3G HSUPAvs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(3G HSUPA) 7.2 Mbpsvs+(5G SA/NSA) 2000 Mbps277 times
Faster for surfing the internet and download files
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
1860 mAhvs+4729 mAh154%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
1 slot (Single-SIM)
(dedicated slot)		vs+2 slots (Dual-SIM)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 b/g/n [wifi4]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
2.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash playervs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
13 Common items in both devices
16 million
LED flash
Only digital zoom
Capacitive
Multitouch
Accelerometer
Ambient light sensor
+6 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 Clear highlight

📱 Model features

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Change model 
ModelPrimus (XT621)Black Shark 3S (128GB)
Other model namesNextel Motorola Primus XT621, Motorola XT621 Primus小米 Black Shark 3S 5G (128GB + 12GB RAM)
Country or region available(Global, International)(Latin America)
(Global, International), (Latin America)		(Global, International)
(Global, International)
BrandMotorolaXiaomi
Release date1/1/20138/4/2020, Announced: 7/31/2020
Depth12.3 millimeters (0.48 inches)10.4 millimeters (0.41 inches)
Size (width x height)60 x 119 millimeters (2.36 x 4.69 in)77.33 x 168.72 millimeters (3.04 x 6.64 in)
Weight145 grams (5.08 ounces)222 grams (7.77 ounces)
Build, materialsfeature not registeredAluminum body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Display typeTFT LCDAMOLED
Screen size4" inches6.67" inches
Screen-to-body ratio~63.8% (screen-to-body ratio)~82.3% (screen-to-body ratio)
Display resolution480x800 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)233 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla GlassNot supported
Refresh ratefeature not registered120Hz
Display featuresfeature not registered500nits[typ]
HDR10+
Always-On Display

🤖 Operating System

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
System versionAndroid 2.3.6 GingerbreadAndroid 10
Firmware updatefeature not registeredAndroid 11
User Interfacefeature not registeredJOYUI 12

⚙️ Processor

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Chipset32bit: Qualcomm Snapdragon S2 MSM8255T (45nm)64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)
CPUSingle-core, 1 processor:
1x 1.2GHz Scorpion (Single-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 controllerQualcomm Adreno 205Qualcomm Adreno 650 (250-587MHz)
Performance (benchmark)feature not registeredAnTuTu: 618083 (v8)

💽 Memory and storage

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
RAM memory1GB LPDDR212GB LPDDR5
Internal storage4GB (1GB available)128GB (108GB available)
UFS 3.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)		Not supported

📶 Mobile networks

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)		2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload7.2 Mbps2000/1024 Mbps
Network technology2G, 3G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkiDEN 800
UMTS 2100/1900/1700		CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 800/850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat20 (1, 3, 4, 5, 7, 8, 12, 17, 20)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA (41, 78, 79)
Primary data networkiDEN, GPRS, EDGE, UMTS, HSDPA, HSUPAGPRS, 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 networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 800/850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat20 (1, 3, 4, 5, 7, 8, 12, 17, 20)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Back camera (main camera)5 megapixels(triple camera)
64 megapixels
13MP ultrawide f/2.3120°
5MP depth f/2.2
Main camera resolution2592x1944 pixels10120x6328 pixels
Video recording (primary)HD (1280x720) 30 fps4K UHD (3840x2160) 60 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/1.72" inches
Pixel sizefeature not registered0.8Âľm pixel
AutofocusNot supportedPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationNot supportedEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRNot supportedHDR photo on both cameras
Camera extrasfeature not registered1080p@240fps
720p@1920fps

📸 Front camera

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Front camera (secondary)Not supported20 megapixels
Front camera resolutionNot supported5184x3840 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered0.9Âľm pixel

🔉 Sound and multimedia

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
LoudspeakerSupportedStereo sound
Active noise cancellationNot supported2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, AAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth2.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
SensorsAccelerometer
Ambient light sensor
Proximity sensor		Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Battery typeLi-Ion: lithium-ion (Removable)
BP7X		LiPo: li-ion polymer (Non removable)
Battery capacity1860 mAh4729 mAh
Charger, wattsWired charging65W Wired fast charging
Quick Charge 4
Inductive / wireless chargingfeature not registeredMagnetic charging (dock)
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
Call controlVoice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, Flash playerHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black
• Push-to-Talk (PTT)
• WiFi hotspot
• Java framework		• Colors: Sky Cloud Black, Crystal Blue
• Liquid Cooling System
• Physical pop-up gaming triggers

☢️ Radiation rate

Motorola Primus (XT621)Xiaomi Black Shark 3S (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)1.23W/kg (head), 0.42W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.73W/kg (head), 0.31W/kg (body)feature not registered
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