Skip to content

Xiaomi Redmi K20 Pro vs Motorola Primus XT621

Side by side comparison, pros, cons, differences between Xiaomi Redmi K20 Pro vs Motorola Primus phones with full specifications. What's the best?

,
Compare Motorola Primus X31Xiaomi Redmi K20 Pro
Xiaomi Redmi K20 Pro
6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
Motorola Primus XT621
4"
TFT

480x800

5
MP

1GB
RAM

32bit Single

1860
mAh

(Removable)

What's the best phone? The PhoneMore's choice is Xiaomi Redmi K20 Pro

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!


31 Advantages Xiaomi Redmi K20 Pro
Redmi K20 ProvsPrimus XT621
 3 times100%
+More powerful processor, you can open your applications faster
2.8Ghz 64bit Octa-Corevs1.2Ghz 32bit Single-Core
 5 times100%
+More RAM memory. Typically more responsive and better for multitasking
6GB LPDDR4Xvs1GB LPDDR2
 49 times100%
+More internal storage for applications and files
64GB (50GB user available)vs4GB (1GB user available)
 40%40%
+Thinner
8.8 millimeters (0.35 inches)vs12.3 millimeters (0.48 inches)
Advantage
+This device has a Super AMOLED screen, which are brighter and more vivid
Super AMOLEDvsTFT LCD
 6 times100%
+Higher resolution screen
1080x2340 pixelsvs480x800 pixels
 73%73%
+Crisper display of text, images and video because it has more pixels per inch (ppi)
403 PPIvs233 PPI
 60%60%
+Larger screen
6.39"vs4"
 13 times100%
+Higher resolution main camera
(triple camera) 48MP + 8MP + 13MPvs(back) 5MP
Advantage
+The Dual LED flash helps in dark places or in low light
Dual LED flashvsLED flash
Advantage
+The zoom allows for better focus and approach to take pictures
Digital and optical zoomvsOnly digital zoom
Advantage
+You with less worry when taking pictures with auto focus
LDAF/PDAF: laser/phase detection autofocusvsNot supported
Advantage
+Image stabilization prevents blurry photos and helps in recording motion video
EIS: Digital stabilizationvsNot supported
Advantage
+The HDR technology produced photos with more detail in dark areas
HDR photo on both camerasvsNot supported
Advantage
+With a secondary camera is easier to take selfies
(front) 20MPvsNot supported
 8 times100%
+More image quality for recording videos with the primary camera
4K UHD (3840x2160 pixels)vsHD (1280x720 pixels)
Advantage
+Android 9.0 Pie is newer and safer
Android 9.0 PievsAndroid 2.3.6 Gingerbread
Advantage
+The 4G+ LTE-A network is newer and faster
4G+ LTE-Avs3G HSUPA
 110 times100%
+Faster for surfing the internet and download files
(4G+ LTE-A) 800 Mbpsvs(3G HSUPA) 7.2 Mbps
Advantage
+Sensors help you use the device
CompassvsNot supported
Advantage
+Sensors help you use the device
GyroscopevsNot supported
Advantage
+Sensors help you use the device
Fingerprint (under display)vsNot supported
Advantage
+Sensors help you use the device
Face recognition (unlock)vsNot supported
 115%100%
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4000 mAhvs1860 mAh
Advantage
+The video calling allows to make calls with voice and video
Video callingvsNot supported
Advantage
+It's more advantageous to have more than one phone operator in the same device
2 slots Dual-SIMvs1 slot
Advantage
+Noise-canceling microphone allows better call quality
Active noise cancellationvsNot supported
Advantage
+WiFi 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz) is newer and faster
802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz)vs802.11 b/g/n (2.4Ghz)
Advantage
+Bluetooth 5.0 version A2DP/LE is newer and faster
5.0 version A2DP/LEvs2.1 version A2DP
Advantage
+NFC allows you to make payments by approach quickly and securely
NFCvsNot supported
Advantage
+Better sites viewing on the internet
HTML, XHTML, HTML5vsHTML, XHTML

03 Advantages Motorola Primus XT621
Primus XT621vsRedmi K20 Pro
Advantage
+More external storage for files using memory cards
Until 32GB microSD, microSDHCvsNot supported
 32%32%
+Lighter
145 grams (5.08 ounces)vs191 grams (6.69 ounces)
Advantage
+Removable battery can be replaced easily
Li-Ion (Removable)vsLiPo - Li-Ion polymer (Non removable)

13 Common items in both devices
16 million
Capacitive
Multitouch
3.5mm jack
Accelerometer
Proximity
Ambient Light
Speakerphone
Vibrating alert
FM
A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou / A-GPS, GeoTagging
USB 2.0 Type-C, USB OTG On-The-Go / MicroUSB 2.0
Gorilla Glass 5 / Gorilla Glass
+ COMMON ITEMS

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

Model and physical featuresXiaomi Redmi K20 ProMotorola Primus XT621
ModelRedmi K20 ProPrimus XT621
Also known asXiaomi Redmi K20 Pro, Xiaomi RaphaelNextel Motorola Primus XT621, Motorola XT621 Primus
Country or region availableChinaHong KongTaiwanLatin AmericaVarious (International)
BrandXiaomiMotorola
Release dateJune, 2019January, 2013
Depth8.8 millimeters (0.35 inches)12.3 millimeters (0.48 inches)
Size (width x height)74.3 x 156.7 millimeters (2.93 x 6.17 in)60 x 119 millimeters (2.36 x 4.69 in)
Weight191 grams (6.69 ounces)145 grams (5.08 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, front/back glassfeature not registered
Protection against water and othersNot supportedNot supported
Operating system (OS)Xiaomi Redmi K20 ProMotorola Primus XT621
Operating systemAndroid 9.0 PieAndroid 2.3.6 Gingerbread
Firmware updatefeature not registeredfeature not registered
HardwareXiaomi Redmi K20 ProMotorola Primus XT621
Architecture - Chipset64bit - Qualcomm Snapdragon 855 SDM855 (7nm)32bit - Qualcomm Snapdragon S2 MSM8255T (45nm)
CPU processorOcta-Core, 3 processors:
2.8Ghz Single-Core Kryo 485
2.4Ghz 3-Cores Kryo 485
1.7Ghz Quad-Core Kryo 485
1.2Ghz Single-Core Scorpion
GPU graphical controllerQualcomm Adreno 640Qualcomm Adreno 205
RAM memory6GB LPDDR4X1GB LPDDR2
Internal storage64GB (50GB user available)
UFS 2.1
4GB (1GB user available)
External storageNot supportedUntil 32GB microSD, microSDHC
(dedicated slot)
DisplayXiaomi Redmi K20 ProMotorola Primus XT621
Display typeSuper AMOLEDTFT LCD
Screen size6.39" inches4" inches
Screen-to-body ratio~86.1% (screen-to-body ratio)~63.8% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution1080x2340 pixels480x800 pixels
Pixel density (dot pitch)403 PPI233 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass
Mobile networks and dataXiaomi Redmi K20 ProMotorola Primus XT621
Dual-SIMDual SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots Dual-SIM
nano-SIM (4FF)
1 slot
Standard mini-SIM (2FF)
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS
iDEN 800
UMTS 2100/1900/1700
Primary 4G/5G networkLTE Cat15/13 (Bands )
TD-LTE (Bands )
Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AiDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported
Maximum download/upload800/150 Mbps7.2 Mbps
Messaging and callingXiaomi Redmi K20 ProMotorola Primus XT621
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedNot supported
Call controlVoice dialing, Voice recorder, Voice commandsVoice recorder
Primary / back cameraXiaomi Redmi K20 ProMotorola Primus XT621
Main camera(triple camera)
48 megapixels
8MP telephoto (f/2.4 53mm 1/4" 1.12µm PDAF 2x-zoom)
13MP ultrawide (f/2.4 12mm 1/3" 1.12µm)
5 megapixels
Main camera resolution8000x6000 pixels2592x1944 pixels
Video recording (primary)4K UHD (3840x2160 pixels) 30 fpsHD (1280x720 pixels) 30 fps
FlashDual LED flashLED flash
Focal aperturef/1.8 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/2" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered
AutofocusLDAF/PDAF: laser/phase detection autofocusNot supported
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationNot supported
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasNot supported
Front / secondary cameraXiaomi Redmi K20 ProMotorola Primus XT621
Front camera20 megapixelsNot supported
Front camera resolution5184x3840 pixelsNot supported
Video recording (secondary)Full HD (1920x1080 pixels)Not supported
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size0.8µm pixelfeature not registered
MultimediaXiaomi Redmi K20 ProMotorola Primus XT621
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviDMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, AAC+
Connectivity and interfacesXiaomi Redmi K20 ProMotorola Primus XT621
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 version A2DP/LE2.1 version A2DP
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
Infrared portNot supportedNot supported
Other functionsXiaomi Redmi K20 ProMotorola Primus XT621
Active noise cancellationSupportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML
Java / Flash playerNot supportedSupported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Gyroscope
Face recognition (unlock)
Fingerprint (under display)
Accelerometer
Proximity
Ambient Light
Other features- Colors: Carbon black, Flame red, Glacier blue
- MIUI 10
- HDR display
- Quick Charge 4+
- WiFi direct, hotspot
- Colors: Black
- Push-to-Talk (PTT)
- WiFi hotspot
Power supply and autonomyXiaomi Redmi K20 ProMotorola Primus XT621
BatteryLiPo - Li-Ion polymer (Non removable)
Fast battery charging
Li-Ion (Removable)
Battery capacity4000 mAh1860 mAh
Battery model / charger (watts)27WBP7X
Talk timefeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rate (SAR)Xiaomi Redmi K20 ProMotorola Primus XT621
SAR USA, Mexico, Colombiafeature not registered1.23 W/Kg (head) | 0.42 W/Kg (body)
SAR European Union, UKfeature not registered0.73 W/Kg (head) | 0.31 W/Kg (body)