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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?

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Compare Xiaomi Mi A2 X Xiaomi Mi 4 (3G 64GB) 09Points
5"
IPS

1080x1920

13
MP

8mp

3GB
RAM

Quad-core

3080
mAh

(Non removable)

vs
20Points Xiaomi Mi A2 (128GB) Compare Xiaomi Mi 4 X
5.99"
IPS

1080x2160

12
MP

20mp

6GB
RAM

Octa-core

3000
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!

Mi 4 (3G 64GB)} 9 Advantages Xiaomi Mi 4 (3G 64GB) vs Mi A2 (128GB)} 20 Advantages Xiaomi Mi A2 (128GB)
+149 grams (5.22 ounces)11%
Lighter
vs166 grams (5.81 ounces)
+TFT LED-Backlit IPS LCDAdvantage
TFT LED-Backlit IPS LCD display is brighter and more vivid
vsLTPS IPS LCD
+441 PPI9%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs403 PPI
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+3080 mAh3%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C jack with 3.5mm jack adapter
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
2.5GHz 32bit Quad-corevs+2.2GHz 64bit Octa-core (14nm)32%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+6GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
64GB (60GB available)vs+128GB (111GB available)85%
More internal storage for applications and files
8.9 millimeters (0.35 inches)vs+7.3 millimeters (0.29 inches)22%
Thinner
1080x1920 pixelsvs+1080x2160 pixels13%
Higher resolution screen
5"vs+5.99"20%
Larger screen
(back) 13MPvs+(dual camera) 12MP + 20MP150%
Higher resolution main camera
Dual-LED flashvs+Dual-LED on main camera and LED on front cameraAdvantage
The Dual-LED on main camera and LED on front camera helps in dark places or in low light
HDR photo/video only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
1/3" inchesvs+1/2.9" inches3%
The larger sensor camera lets you take photos with better depth.
(front) 8MPvs+(front) 20MP150%
Higher resolution secondary camera to take pictures and selfies
Android 6.0.1 Marshmallowvs+Android 10Advantage
Android 10 is newer and safer
3G+ HSPA+vs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G+ HSPA+) 42 Mbpsvs+(4G LTE-A) 600 Mbps13 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
1 slot (Single-SIM)vs+2 slots (Dual-SIM)Advantage
You can have more mobile carriers/operators on the same device.
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys

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)
ModelXiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
Other model namesXiaomi Mi4 3G WCDMA, Xiaomi Mi4 3G 2014215, Xiaomi LeoXiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne
Country or region availablefeature not registered(Global, International)India
(Global, International), India
BrandXiaomiXiaomi
Release date8/1/20147/27/2018, Announced: 7/24/2018
Depth8.9 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)
Weight149 grams (5.22 ounces)166 grams (5.81 ounces)
Build, materialsfeature not registeredAluminum body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
Display typeTFT LED-Backlit IPS LCDLTPS IPS LCD
Screen size5" inches5.99" inches
Screen-to-body ratio~72.3% (screen-to-body ratio)~77.4% (screen-to-body ratio)
Display resolution1080x1920 pixels1080x2160 pixels (19:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)441 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
System versionAndroid 4.4.3 KitKatAndroid 8.1 Oreo
Firmware updateAndroid 6.0.1 MarshmallowAndroid 10
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
Chipset32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)
CPUQuad-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 controllerQualcomm Adreno 330 578MhzQualcomm Adreno 512 (650MHz)
Performance (benchmark)feature not registeredAnTuTu: 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 memory3GB LPDDR36GB LPDDR4X
Internal storage64GB (60GB available)128GB (111GB available)
eMMC 5.1
External storageNot supportedNot supported

📶 Mobile networks

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload42/5.76 Mbps600/150 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1900/2100
Global version:
UMTS 850/900/1700/1900/2100
India version:
UMTS 850/900/1900/2100
Primary 4G networkNot supportedLTE 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 networkNot supportedNot supported
Primary data networkGPRS, 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 networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, 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 resolution4128x3096 pixels4000x3000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashDual-LED flashDual-LED on main camera and LED on front camera
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inches1/2.9" inches
Pixel size1.12µm pixel1.25µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo/video only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
Front camera (secondary)8 megapixels20 megapixels
Front camera resolution3264x2448 pixels5164x3872 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/1.8 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered1µm pixel

🔉 Sound and multimedia

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, DivX, XviD, H.264, H.263, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, OGG, eAAC+, FLAC

🔌 Connectivity

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
USBMicroUSB 2.0USB 2.0 Type-C reversible connector
Audio output3.5mm jackType-C jack with 3.5mm jack adapter
TV outputMicro-B USB MHLNot supported
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 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
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portSupportedSupported

🧭 Sensors

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
SensorsAccelerometer
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 alertSupportedSupported

🔋 Battery

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3080 mAh3000 mAh
Charger, wattsWired charging18W Wired fast charging
Quick Charge 4
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registeredfeature not registered
Standby280 hours (11.7 days)feature not registered

➕ Other features

Xiaomi Mi 4 (3G 64GB)Xiaomi Mi A2 (128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (Swype), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot 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 registered0.96W/kg (head), 0.64W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered1.16W/kg (head), 0.66W/kg (body)
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