Asus Zenfone AR (ZS571KL 256GB) vs Xiaomi Redmi 2A
Side by side comparison between Asus Zenfone AR vs Xiaomi Redmi 2A phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
AMOLED
AMOLED
1440x2560
23
MP
MP
8mp
8GB
RAM
RAM
Quad-core
3300
mAh
mAh
(Non removable)
vs
4.7"
IPS
IPS
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2200
mAh
mAh
(Removable)
What's the better phone? Asus Zenfone AR (ZS571KL 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!
26 Advantages 
4 Advantages | 22 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| 4G LTE-A / 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| +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 differences Clear highlight📱 Model features | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Model | Zenfone AR (ZS571KL 256GB) | Redmi 2A |
| Other model names | Asus Zenfone AR ZS571KL (256GB+8GB RAM) A002A, A002 | Xiaomi Hongmi 2A, Xiaomi Redmi 2A Dual-Sim |
| Country or region available |  (Global, International) |   China, Hong Kong |
| Brand | Asus | Xiaomi |
| Release date | 5/1/2017, Announced: 1/9/2017 | 3/1/2015 |
| Depth | 8.9 millimeters (0.35 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 77.4 x 158.7 millimeters (3.05 x 6.25 in) | 67.2 x 134 millimeters (2.65 x 5.28 in) |
| Weight | 170 grams (5.95 ounces) | 134 grams (4.69 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5.7" inches | 4.7" inches |
| Screen-to-body ratio | ~72.9% (screen-to-body ratio) | ~67.6% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 515 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Dragontrail Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| System version | Android 7.0 Nougat | Android 4.4.4 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | ZenUI 3.0 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Chipset | 64bit: Qualcomm Snapdragon 821 MSM8996 (14nm) | 32bit: Leadcore InnoPower LC1860C |
| CPU | Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 530 650Mhz | ARM Mali-T628 MP2 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| RAM memory | 8GB LPDDR4 | 1GB LPDDR3 |
| Internal storage | 256GB (238GB available) UFS 2.0 | 8GB (4GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 600/75 Mbps | 150/50 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 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | Global version: UMTS 800/850/900/1900/2100 America version: UMTS 850/900/1700/1900/2100 | TD-SCDMA 1900/2000 UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (Bands 38, 40, 41) America version: LTE (Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 29) | LTE Cat4 (Bands 3, 7) TD-LTE (Bands 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE |
📷 Camera | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Back camera (main camera) | 23 megapixels | 8 megapixels |
| Main camera resolution | 5536x4152 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/2.6" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | Motion tracking sensors | feature not registered |
📸 Front camera | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Front camera (secondary) | 8 megapixels | 2 megapixels |
| Front camera resolution | 3264x2448 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Loudspeaker | Mono sound (not stereo) Hi-Res audio | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Removable) |
| Battery capacity | 3300 mAh | 2200 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging Quick Charge 3 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: Black • Tango and Daydream by Google | • Colors: Black, White, Yellow, Pink, Green • MIUI 6.0 |
☢️ Radiation rate | ||
| Asus Zenfone AR (ZS571KL 256GB) | Redmi 2A | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |