Asus Zenfone AR (ZS571KL 128GB) vs Xiaomi Redmi 8 (32GB)
Side by side comparison between Asus Zenfone AR vs Xiaomi Redmi 8 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
6.22"
IPS
IPS
720x1520
12
MP
MP
8mp
3GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone AR (ZS571KL 128GB)
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!
17 Advantages 
7 Advantages | 26 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| (front) 8MP |
| (front) Full HD (1920x1080) |
| +19 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 128GB) | Redmi 8 (32GB) | |
| Model | Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) |
| Other model names | Asus Zenfone AR ZS571KL (128GB+6GB RAM) A002A, A002 | Xiaomi Redmi 8 (3GB RAM + 32GB) M1908C3IC, MZB8255IN |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 5/1/2017, Announced: 1/9/2017 | 10/1/2019 |
| 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) | 75.4 x 156.5 millimeters (2.97 x 6.16 in) |
| Weight | 170 grams (5.95 ounces) | 188 grams (6.58 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | P2i certified: water repellent nano-coating |
📲 Display | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5.7" inches | 6.22" inches |
| Screen-to-body ratio | ~72.9% (screen-to-body ratio) | ~81.8% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 720x1520 pixels |
| 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 | Gorilla Glass 5 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| System version | Android 7.0 Nougat | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| User Interface | ZenUI 3.0 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 MSM8996 (14nm) | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) |
| CPU | Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 530 650Mhz | Qualcomm Adreno 505 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| RAM memory | 6GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 128GB (110GB available) UFS 2.0 | 32GB (21GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| 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) 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Global version: UMTS 800/850/900/1900/2100 America version: UMTS 850/900/1700/1900/2100 | M1908C3IC version: UMTS 850/900/1700/1900/2100 MZB8255IN version: UMTS 850/900/1900/2100 |
| 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 VoLTE M1908C3IC version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) MZB8255IN version: LTE (Bands 1, 3, 5, 8) TD-LTE (Bands 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| 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 128GB) | Redmi 8 (32GB) | |
| Back camera (main camera) | 23 megapixels | (dual camera) 12 megapixels 2MP depth |
| Main camera resolution | 5536x4152 pixels | 4000x3000 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 | 1/2.55" inches |
| Pixel size | 1µm pixel | 1.4µm 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 (ZS571KL 128GB) | Redmi 8 (32GB) | |
| Front camera (secondary) | 8 megapixels | 8 megapixels |
| Front camera resolution | 3264x2448 pixels | 3264x2448 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 (ZS571KL 128GB) | Redmi 8 (32GB) | |
| 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, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.2 + 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 | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| 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) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 5000 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging Quick Charge 3 | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 28 hours (1.2 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| 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: Onyx Black, Ruby Red, Sapphire Blue, Green • MIUI 9 |
☢️ Radiation rate | ||
| Asus Zenfone AR (ZS571KL 128GB) | Redmi 8 (32GB) | |
| 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 |