Xiaomi Mi 4 (3G 64GB) vs Xiaomi Mi A2 (128GB)
Side by side comparison between Xiaomi Mi 4 vs Xiaomi Mi A2 phones, differences, pros, cons and full specifications. What's the better?
,
5"
IPS
IPS
1080x1920
13
MP
MP
8mp
3GB
RAM
RAM
Quad-core
3080
mAh
mAh
(Non removable)
vs
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi A2 (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!
9 Advantages 
20 Advantages | 23 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection 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 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Model | Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) |
| Other model names | Xiaomi Mi4 3G WCDMA, Xiaomi Mi4 3G 2014215, Xiaomi Leo | Xiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne |
| Country or region available | feature not registered |   (Global, International), India |
| Brand | Xiaomi | Xiaomi |
| Release date | 8/1/2014 | 7/27/2018, Announced: 7/24/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 68.5 x 139.2 millimeters (2.7 x 5.48 in) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) |
| Weight | 149 grams (5.22 ounces) | 166 grams (5.81 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Display type | TFT LED-Backlit IPS LCD | LTPS IPS LCD |
| Screen size | 5" inches | 5.99" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~77.4% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2160 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 441 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| System version | Android 4.4.3 KitKat | Android 8.1 Oreo |
| Firmware update | Android 6.0.1 Marshmallow | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) |
| CPU | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 578Mhz | Qualcomm Adreno 512 (650MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| RAM memory | 3GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 64GB (60GB available) | 128GB (111GB available) eMMC 5.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 42/5.76 Mbps | 600/150 Mbps |
| Network technology | 2G, 3G | 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 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | 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) |
| 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+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Back camera (main camera) | 13 megapixels | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm |
| Main camera resolution | 4128x3096 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | 1/2.9" inches |
| Pixel size | 1.12µm pixel | 1.25µm pixel |
| Autofocus | Autofocus | PDAF: phase detection 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/video only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Front camera (secondary) | 8 megapixels | 20 megapixels |
| Front camera resolution | 3264x2448 pixels | 5164x3872 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.0 + 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 | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3080 mAh | 3000 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging Quick Charge 4 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 280 hours (11.7 days) | feature not registered |
➕ Other features | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (Swype), 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, White • USB OTG On-The-Go 1.3 • MI UI 5.0 • WiFi display • Java framework | • Colors: Black, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display |
☢️ Radiation rate | ||
| Xiaomi Mi 4 (3G 64GB) | Xiaomi Mi A2 (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.64W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.16W/kg (head), 0.66W/kg (body) |