Asus Zenfone AR (V570KL) vs Samsung Galaxy A21 (SM-A215U1)
Side by side comparison between Asus Zenfone AR vs Samsung Galaxy A21 phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
AMOLED
AMOLED
1440x2560
23
MP
MP
8mp
6GB
RAM
RAM
Quad-core
3300
mAh
mAh
(Non removable)
vs
6.5"
PLS
PLS
720x1600
16
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone AR (V570KL)
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!
16 Advantages 
10 Advantages | 28 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| +21 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 (V570KL) | Galaxy A21 (SM-A215U1) | |
| Model | Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) |
| Other model names | Asus Zenfone AR V570KL Verizon exclusive (128GB+6GB RAM) | Galaxy A21 SM-A215UZKAXAA (USA Unlocked) |
| Country or region available |  USA | USA |
| Brand | Asus | Samsung |
| Release date | 5/1/2017, Announced: 1/9/2017 | 6/26/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 77.4 x 158.7 millimeters (3.05 x 6.25 in) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) |
| Weight | 170 grams (5.95 ounces) | 193 grams (6.76 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 (V570KL) | Galaxy A21 (SM-A215U1) | |
| Display type | Super AMOLED | TFT PLS |
| Screen size | 5.7" inches | 6.5" inches |
| Screen-to-body ratio | ~72.9% (screen-to-body ratio) | ~79.3% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 515 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| System version | Android 7.0 Nougat | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | ZenUI 3.0 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 MSM8996 (14nm) | 64bit: MediaTek Helio P35 (MT6765) (12nm) |
| CPU | Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 530 650Mhz | PowerVR GE8320 MP2 (680MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| RAM memory | 6GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 128GB (110GB available) UFS 2.0 | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| 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 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat12 (Bands 2, 3, 4, 5, 7, 13, 20) VoLTE | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE |
| 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+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| Back camera (main camera) | 23 megapixels | (quad camera) 16 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 5536x4152 pixels | 4608x3456 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/1.8 (aperture) |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/2.6" inches | 1/3.06" inches |
| Pixel size | 1µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | Motion tracking sensors | feature not registered |
📸 Front camera | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| Front camera (secondary) | 8 megapixels | 13 megapixels |
| Front camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| 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.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 4000 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging Quick Charge 3 | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| 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: Black • Tango and Daydream by Google | • Colors: Black • One UI 2.0 |
☢️ Radiation rate | ||
| Asus Zenfone AR (V570KL) | Galaxy A21 (SM-A215U1) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.6W/kg (head), 1.27W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |