Karbonn A21+ vs Asus Zenfone Max ZC550KL
General Info
| Manufacturer | |
| Karbonn | Asus |
| Announced | |
| June 2013 | August 2015 |
| Status | |
| Available - July 2013 | Available - January 2016 |
| Price | |
| - | Rs. 9,999 ($147.04) [Similarly Priced] |
| Colors | |
| Black, White | Black, White |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
| - |
156 x 77.5 x 10.55 mm (6.14 x 3.05 x 0.42 in) |
| Weight | |
| - | 202 g (7.13 oz) |
| 2G Network | |
| GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA 1900 / 2100 - India |
| 3G Network | |
| HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1900 / 2100 - India |
| 4G Network | |
| - | LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500) - India |
| Messaging | |
| SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | |
| Touch and Swipe Gestures | - |
Display
Hardware and OS
| OS | |
| Android OS, v4.2 (Jelly Bean) | Android OS, v5.0 (Lollipop) |
| Processor | |
| Dual-core 1 GHz, MTK 6577 [Similar] | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 [Similar] |
| GPU | |
| PowerVR SGX531 [Similar] | Adreno 306 [Similar] |
| RAM | |
| 512 MB [Browse Similar] | 2 GB [Browse Similar] |
| Internal Memory | |
| 4 GB (2.1 GB User Memory) | 8/16 GB |
| External Memory | |
| microSD, up to 32 GB | microSD, up to 128 GB |
Camera
| Rear Camera | |
| 5 MP, 2592х1944 pixels [Similar] | 13 MP, 4128 x 3096 pixels [Similar] |
| Flash | |
| LED flash | Dual-tone Flash |
| Features | |
| Auto focus, Geo-tagging, Touch Focus | Geo-tagging, Laser AutoFocus, Touch Focus, Face Detection, Panorama, HDR |
| Video | |
| Yes, 720p | 1080p@30fps |
| Front Camera | |
| Yes [Similar] | 5 MP [Similar] |
Multimedia
| 3.5mm Jack | |
| Radio | |
| FM radio; FM recording | Yes |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | |
| Class 12 | Yes |
| 3G | |
| HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | |
| Yes, v4.0 with A2DP | v4.0, A2DP, EDR |
| Wi-Fi | |
| Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | |
| Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | |
| Yes, with A-GPS support | Yes, with A-GPS, GLONASS |
| Browser | |
| HTML5 | HTML5 |
User Memory
| Internal | |
| 4 GB (2.1 GB User Memory), 512 MB RAM | 8/16 GB, 2 GB RAM |
| Expandable Storage | |
| microSD, up to 32 GB | microSD, up to 128 GB |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| Type | |
| Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | |
| 2000 mAh | 5000 mAh |
| Stand by | |
| Up to 240 h | - |
| Talk Time | |
| - | - |