Xiaomi Mi A2 (64GB) vs Xiaomi Mi 4 (3G 64GB)
Side by side comparison between Xiaomi Mi A2 vs Xiaomi Mi 4 phones, differences, pros, cons and full specifications. What's the better?
,
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
5"
IPS
IPS
1080x1920
13
MP
MP
8mp
3GB
RAM
RAM
Quad-core
3080
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi A2 (64GB)
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!
19 Advantages 
10 Advantages | 23 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| f/1.8 (aperture) |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +16 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 | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Model | Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) |
| Other model names | Xiaomi A2 M1804D2SG (64GB + 4GB RAM), 小米6X, Xiaomi Wayne | Xiaomi Mi4 3G WCDMA, Xiaomi Mi4 3G 2014215, Xiaomi Leo |
| Country or region available |   (Global, International), India | feature not registered |
| Brand | Xiaomi | Xiaomi |
| Release date | 7/27/2018, Announced: 7/24/2018 | 8/1/2014 |
| Depth | 7.3 millimeters (0.29 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) | 68.5 x 139.2 millimeters (2.7 x 5.48 in) |
| Weight | 166 grams (5.81 ounces) | 149 grams (5.22 ounces) |
| Build, materials | Aluminum body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Display type | LTPS IPS LCD | TFT LED-Backlit IPS LCD |
| Screen size | 5.99" inches | 5" inches |
| Screen-to-body ratio | ~77.4% (screen-to-body ratio) | ~72.3% (screen-to-body ratio) |
| Display resolution | 1080x2160 pixels (19:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 441 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| System version | Android 8.1 Oreo | Android 4.4.3 KitKat |
| Firmware update | Android 10 | Android 6.0.1 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 512 (650MHz) | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| RAM memory | 4GB LPDDR4X | 3GB LPDDR3 |
| Internal storage | 64GB (51GB available) eMMC 5.1 | 64GB (60GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 600/150 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm | 13 megapixels |
| Main camera resolution | 4000x3000 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED on main camera and LED on front camera | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.9" inches | 1/3" inches |
| Pixel size | 1.25µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital 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/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Front camera (secondary) | 20 megapixels | 8 megapixels |
| Front camera resolution | 5164x3872 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| 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.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.264, H.263, WMV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3080 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 4 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | 280 hours (11.7 days) |
➕ Other features | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display | • Colors: Black, White • USB OTG On-The-Go 1.3 • MI UI 5.0 • WiFi display Java framework |
☢️ Radiation rate | ||
| Xiaomi Mi A2 (64GB) | Xiaomi Mi 4 (3G 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.96W/kg (head), 0.64W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.16W/kg (head), 0.66W/kg (body) | feature not registered |