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Apple iPad Air 2 (4G 128GB) vs Xiaomi Redmi K20 (64GB)

Side by side comparison, pros, cons, differences between Apple iPad Air 2 vs Xiaomi Redmi K20 devices with full specifications. What's the best?

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Compare Xiaomi Redmi K20 XApple iPad Air 2 (4G 128GB)10Points
Apple iPad Air 2 (4G 128GB)
9.7"
IPS

1536x2048

8
MP

1.2mp

2GB
RAM

64bit 3s

7340
mAh

(Non removable)

vs
21PointsXiaomi Redmi K20 (64GB)Compare Apple iPad Air 2 X
Xiaomi Redmi K20 (64GB)
6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better device? Xiaomi Redmi K20 (64GB)

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!

iPad Air 2 (4G 128GB)10 Advantages Apple iPad Air 2 (4G 128GB)vsRedmi K20 (64GB)21 Advantages Xiaomi Redmi K20 (64GB)
+128GB (117GB user free)139%
More internal storage for applications and files
vs64GB (49GB user free)
+6.1 millimeters (0.24 inches)44%
Thinner
vs8.8 millimeters (0.35 inches)
+TFT LCD IPS LED-BacklitAdvantage
TFT LCD IPS LED-Backlit display is brighter and more vivid
vsAMOLED
+1536x2048 pixels24%
Higher resolution screen
vs1080x2340 pixels
+9.7"52%
Larger screen
vs6.39"
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+7340 mAh84%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+Proprietary TV-outAdvantage
The TV-output lets you use your device on TV by cable
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device
vsNot supported
1.5Ghz 64bit 3-Coresvs+2.2Ghz 64bit Octa-Core92%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+6GB LPDDR4X2 times
More RAM memory. Typically more responsive and better for multitasking
444 grams (15.54 ounces)vs+191 grams (6.69 ounces)132%
Lighter
264 PPIvs+403 PPI53%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(back) 8MPvs+(triple camera) 48MP + 8MP + 13MP8 times
Higher resolution main camera
Not supportedvs+Dual LED flashAdvantage
The Dual LED flash helps in dark places or in low light
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
Autofocusvs+PDAF: phase detection autofocusAdvantage
You with less worry when taking pictures with auto focus
f/2.4 (aperture)vs+f/1.8 (aperture)33%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
(front) 1.2MPvs+(front) 20MP15 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
2100000 apps (App Store)vs+2500000 apps (Google Play Store)19%
More apps available to download and use
(4G LTE) 100 Mbpsvs+(4G+ LTE-A) 800 Mbps7 times
Faster for surfing the internet and download files
Not supportedvs+ProximityAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Vibrating alertAdvantage
The vibration of the device aids in the use of several features
1 slotvs+2 slots Dual-SIMAdvantage
It's more advantageous to have more than one phone operator in the same device
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
4.0 version A2DPvs+5.0 version A2DP/LEAdvantage
Bluetooth 5.0 version A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely

22 Common items in both devices
Aluminum body, glass front / Aluminum frame, glass front/back
16 million
EIS: Digital stabilization
HDR photo/video and HDR photo on front camera / HDR photo on both cameras
4G LTE / 4G+ LTE-A
Capacitive
Multitouch
+15 specs and more in the table below

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

Highlight differencesClear highlight
Physical featuresApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
ModeliPad Air 2 (4G 128GB)Redmi K20 (64GB)
Other model namesiPad Air 2 A1567 Cellular (4G LTE), iPad 6Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN
Country or region available(Global, International)
(Global, International)
ChinaIndia
China, India
BrandAppleXiaomi
Release dateOctober, 2014June, 2019
Depth6.1 millimeters (0.24 inches)8.8 millimeters (0.35 inches)
Size (width x height)169.5 x 240 millimeters (6.67 x 9.45 in)74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight444 grams (15.54 ounces)191 grams (6.69 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported
System (OS)Apple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
Operating systemiOS 8.0Android 9.0 Pie
Firmware updateiPadOS 13Android 10
HardwareApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
Chipset64bit - Apple A8X (20nm)64bit - Qualcomm Snapdragon 730 SDM730 (8nm)
CPU processor1.5Ghz 3-Cores Apple CycloneOcta-Core, 2 processors:
2.2Ghz Dual-Core Kryo 470 Gold
1.8Ghz Hexa-Core Kryo 470 Silver
GPU graphical controllerPowerVR GXA6850 MP8Qualcomm Adreno 618 700Mhz
RAM memory2GB LPDDR36GB LPDDR4X
Internal storage128GB (117GB user free)64GB (49GB user free)
UFS 2.1
External storageNot supportedNot supported
DisplayApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
Display typeTFT LCD IPS LED-BacklitAMOLED
Screen size9.7" inches6.39" inches
Screen-to-body ratio~71.6% (screen-to-body ratio)~86.1% (screen-to-body ratio)
Display resolution1536x2048 pixels1080x2340 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)264 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassScratch-resistant glassGorilla Glass 5
Display featuresfeature not registered60Hz, 600 nits, HDR10
Mobile networksApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
Dual-SIMNot supportedDual SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot
nano-SIM (4FF)
2 slots Dual-SIM
nano-SIM (4FF)
Maximum download/upload100/50 Mbps800/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
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
Primary 4G networkLTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29)
TD-LTE (Bands 38, 39, 40, 41)
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)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
Back camera (main camera)8 megapixels(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)
Main camera resolution3264x2448 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashNot supportedDual LED flash
Focal aperturef/2.4 (aperture)f/1.8 (aperture)
Focal length31mm lens26mm lens
Sensor sizefeature not registered1/2" inches
Pixel size1.12µm pixel0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video and HDR photo on front cameraHDR photo on both cameras
2ª cameraApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
Front camera (secondary)1.2 megapixels20 megapixels

*Motorized pop-up camera (slider)
Front camera resolution1280x960 pixels5184x3840 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length31mm lensfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered0.8µm pixel
MultimediaApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, MOVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+, FLAC
ConnectivityApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
TV outputProprietary TV-outNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.0 version A2DP5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
DLNASupportedNot supported
NFCNot supportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
Active noise cancellationSupportedSupported
Vibrating alertNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Compass
Ambient Light
Gyroscope
Barometer
Fingerprint (front-mounted)
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Face unlock
Fingerprint (under display)
Other features- Colors: Space Gray, Silver, Gold
- Retina display
- Oleophobic coating
- AirDrop file sharing
- iCloud service
- iCloud Keychain
- FaceTime HD
- Colors: Carbon black, Flame red, Glacier blue
- MIUI 10
- HDR display
- 24-bit/192kHz audio
- Quick Charge 4+
- WiFi direct, hotspot
Power supplyApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
BatteryLiPo - Li-Ion polymer (Non removable)LiPo - Li-Ion polymer (Non removable)
Battery capacity7340 mAh4000 mAh
Charger, watts• Standard charging• 18W (9V/2A) Fast battery charging
Talk time autonomy600 minutes | 10 hours | 0.4 dayfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateApple iPad Air 2 (4G 128GB)Xiaomi Redmi K20 (64GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered1.07W/kg (head) | 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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