Apple iPad Air 2 (4G 128GB) vs Xiaomi Redmi K20 (256GB)
Side by side comparison between Apple iPad Air 2 vs Xiaomi Redmi K20 devices, differences, pros, cons and full specifications. What's the better?
,
9.7"
IPS
IPS
1536x2048
8
MP
MP
1.2mp
2GB
RAM
RAM
Triple-core
7340
mAh
mAh
(Non removable)
vs
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better device? Xiaomi Redmi K20 (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!
21 Common items in both devices |
Aluminum body, glass front / Aluminum frame, glass front/back |
60Hz |
16 million |
Autofocus / PDAF: phase detection autofocus |
EIS: Digital stabilization |
HDR photo/video and HDR photo on front camera / HDR photo on both cameras |
4G LTE / 4G LTE-A |
+14 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 | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Model | iPad Air 2 (4G 128GB) | Redmi K20 (256GB) |
Other model names | iPad Air 2 A1567 Cellular (4G LTE), iPad 6 | Xiaomi Redmi K20 M1903F10A, M1903F10C, M1903F10T |
Country or region available | (Global, International) | China |
Brand | Apple | Xiaomi |
Release date | 10/24/2014, Announced: 10/16/2014 | 6/1/2019 |
Depth | 6.1 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) |
Weight | 444 grams (15.54 ounces) | 191 grams (6.69 ounces) |
Build, materials | Aluminum body, glass front | Aluminum frame, glass front/back |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Display type | TFT LED-Backlit IPS LCD | AMOLED |
Screen size | 9.7" inches | 6.39" inches |
Screen-to-body ratio | ~71.6% (screen-to-body ratio) | ~86.1% (screen-to-body ratio) |
Display resolution | 1536x2048 pixels (4:3) | 1080x2340 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
Pixel density (dot pitch) | 264 PPI | 403 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass 5 |
Refresh rate | 60Hz | 60Hz |
Display features | Not supported | 600nits[typ] HDR10 |
🤖 Operating System | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
System version | iOS 8.0 | Android 9.0 Pie |
Firmware update | iPadOS 13 | Android 10 |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Chipset | 64bit: Apple A8X (20nm) | 64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm) |
CPU | Triple-core, 1 processor: 3x 1.5GHz Typhoon (Triple-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
GPU graphical controller | PowerVR GX6450 Rogue (8-core) | Qualcomm Adreno 618 (610MHz) |
Performance (benchmark) | Basemark X: 29753 | feature not registered |
💽 Memory and storage | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
RAM memory | 2GB LPDDR3 | 8GB LPDDR4X |
Internal storage | 128GB (117GB available) | 256GB (234GB available) UFS 2.1 |
External storage | Not supported | Not supported |
📶 Mobile networks | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 100/50 Mbps | 800/150 Mbps |
Network technology | 2G, 3G, 4G | 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 800/1900, GSM 850/900/1800/1900 | CDMA 800 (China), GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 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 network | LTE 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 network | Not supported | Not supported |
Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 |
Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Back camera (main camera) | 8 megapixels | (triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm |
Main camera resolution | 3264x2448 pixels | 8000x6000 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
Flash | Not supported | Dual-LED flash |
Focal aperture | f/2.4 (aperture) | f/1.8 (aperture) |
Focal length | 31mm lens | 26mm lens |
Sensor size | feature not registered | 1/2" inches |
Pixel size | 1.12µm pixel | 0.8µm pixel |
Autofocus | Autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom | Digital and optical zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Supported | Not supported |
HDR | HDR photo/video and HDR photo on front camera | HDR photo on both cameras |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Front camera (secondary) | 1.2 megapixels | 20 megapixels *Motorized pop-up camera (slider) |
Front camera resolution | 1280x960 pixels | 5184x3840 pixels |
Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
Focal length | 31mm lens | feature not registered |
Sensor size | feature not registered | feature not registered |
Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Loudspeaker | Supported | 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.264, MOV | MP4, H.265, H.264, H.263, XviD |
Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Proprietary TV-out | Not supported |
Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (front-mounted) Gyroscope | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
Vibrating alert | Not supported | Supported |
🔋 Battery | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 7340 mAh | 4000 mAh |
Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging |
Inductive / wireless charging | Not supported | feature not registered |
Talk time autonomy | 10 hours | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
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: 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+ |
☢️ Radiation rate | ||
iPad Air 2 (4G 128GB) | Redmi K20 (256GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.07W/kg (head), 0.72W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |