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Who is best : Full Specs Comparison: Xiaomi Mi 3 VS Mi 4 VS Mi 4i


Greeting MIUIers!

Today I'm going to compile all the details and write a brief comparison review between Xiaomi Mi 3, Mi 4 and the latest phone Xiaomi Mi 4i. I have included Mi 3 because Mi 4i price is almost similar with Mi 3 price, so this might help Mi 3 users to see if it is really worth for them to change phone into Mi 4i. 

I have made it easy to view by highlighting the specs in red which superior than other 2 phones. Hope this comparison review can help many people who is hesitating to change their phones.

Table of Comparison

Note: Price is listed in Indian Rupee as it is the only market that sell all 3 phones.

Xiaomi Mi 3
Xiaomi Mi 4
Xiaomi Mi 4i
  Basic Specs
ProcessorQuad-core 2.3GHzQuad-core 2.5GHzOcta-core 1.7GHz
CPUQualcomm Snapdragon 800Qualcomm Snapdragon 801 MSM8974AC2nd Gen Qualcomm Snapdragon 615 64-bit
GPUAdreno 330Adreno 330Adreno 405
OSAndroid 4.4.2, MIUI 6Android 4.4.3, MIUI 6Android 5.0.2, MIUI 6
Dimension (mm)
Height x Width x Thickness
144 x 73.6 x 8.1139.2 x 68.5 x 8.9138.1 x 69.6 x 7.8
PriceRs. 13,999Rs. 19,999Rs. 12,999

  Memory Capacity
Internal Memory16GB / 64GB16GB / 64GB16GB
External StorageNot AvailableNot AvailableNot Available

SIM 1Support 3G (WCDMA) and 2G (GSM) networks
Support 3G (WCDMA) and 2G (GSM) networks
Support 4G (FDD-LTE), 3G (WCDMA) and 2G (GSM) networks
SIM 2--Support 4G, 3G and 2G (Dual Standby)
Band 3 (1800 MHz)
Band 7 (2600 MHz)

Band 38/39/40/41
3G WCDMABand 1 (2100 MHz)
Band 2 (1900 MHz)
Band 5 (850 Mhz)
Band 8 (900 Mhz)
Band 1 (2100 MHz)
Band 2 (1900 MHz)
Band 5 (850 Mhz)
Band 8 (900 Mhz)
Band 1 (2100 MHz)
Band 2 (1900 MHz)
Band 5 (850 Mhz)
2G GSM850/900/1800/1900MHz850/900/1800/1900MHz850/900/1800/1900MHz
BluetoothVer 4.0Ver 4.0Ver 4.1
WLAN802.11 a/b/g/n/ac
Supports 2.4 GHz and 5 GHz bands
802.11 a/b/g/n/ac
Supports 2.4 GHz and 5 GHz bands
802.11 a/b/g/n/ac
Supports 2.4 GHz and 5 GHz bands

Rear Camera13MP, f/2.213MP, f/1.813MP, f/2.0
Front Camera2MP8MP5MP
Video Recording (Rear)1080p HD4K UHD1080p HD
Special Features- HDR
- Two-tone Flash

- Magic Focus
- Real-Time HDR
- High Dynamic Flash
- Autofocus 0.3 seconds
- Magic Focus
- Real-Time HDR
- Dual-LED
- Two-tone Flash

Sensors- Electronic Compass
- Light Sensor
- Gyroscope
- Proximity Sensor

- Accelerometer
- Barometer

- Electronic Compass
- Light Sensor
- Gyroscope
- Proximity Sensor

- Accelerometer
- Barometer
- Hall Sensor
- Infrared
- Electronic Compass
- Light Sensor
- Gyroscope
- Proximity Sensor

- Accelerometer- Hall Sensor
- Gravity Sensor
- Infrared Remote Control- Sunlight Display

Comparison Review

          Honestly, I doubt Mi 4i will perform better than Mi 3, because of its processor. Even though it is new, but the 1.7GHz does not convince me that it will be superb than Mi 3 with a lower price. Comes with the latest Android Lollipop that everyone wants, I bet this factor brings the most influence for users to choose Mi 4i. For me, MIUI 6 still the same in either Kitkat or Lollipop, so it doesn't bother me much. Those who like thin phone, Mi 4i might be your better choice as it only has 7.8mm thick. Price is also the biggest factor of choosing a phone. If you like to spend less and get more, Mi 4i is the best choice.

          In term of RAM, Mi 4 is still the best among all with its 3GB RAM. From my experiences, RAM does not affect your daily usage much, even with just 2GB RAM, unless you are a frequent multi-tasker who play games, social interacting and watching videos at the same time. For internal and external storage, nothing much to be said.

          Mi 4i has the advantage in term of data network, which provides 4G network to users. I know we have Mi 4 with 4G version, yet it is not officially available in global market and so I did not include it. On top of that, Mi 4i also provides Dual SIM, which is a good option for users who using 2 SIM cards. This is a great spec to deviate those Mi 3 and Mi 4 users to switch their phone into Mi 4i. Other than that, Mi 4i also comes with latest version Bluetooth 4.1 compared to Mi 3 and Mi 4. 

          For camera aspect, please do not judge the camera specs by its Megapixel. Redmi Note 3G has better MP in camera than Mi 3, but its photo quality is not even close to Mi 3 photo quality. Mi 4i seems to have the two-tone flash back which absent in Mi 4. I'm not really sure about the camera quality with and without this special flash because I do not own either Mi 3 or Mi 4. The judgement will be given to you all who have these phones.

          It is very surprising that Mi 4i does not have 
in-built barometer sensor. So what does barometer do? From the Google search, I find that Barometer is used to measure atmospheric pressure, which can forecast weather in short changes. More info about Barometer here. Hall sensor is used to generate different voltage output response with magnetic field. In phone, Mi 4 and Mi 4i can has a feature called "Smart Cover" which the screen is awaked when magnetic flip cover is opened.


          After collected all the spec details of these 3 phones, I am totally agreed with one Chinese saying, which directly traslated as "One Penny, One Material". It means that every price you paid, you will get the exactly same amount of things in return. However, Xiaomi Mi 4i really has a lot of bonus in the things return, which it gave us much more than the price we paid. I am really impressed that Xiaomi once again brought us another phone which has awesome specs with unbelievable pricing.

Reason why I buy Xiaomi MI 4i
- Android Lollipop!!!
- Cheap
- Higher battery capacity
- Support 4G Network
- Dual SIM
- Sunlight Display (Smart Feature)
- Bluetooth Ver 4.1
Reason Why I buy / stick with Xiaomi MI 4
- Better processor among all
- More RAM
- Better camera (smaller aperture)
- Infrared Sensor
Reason Why I stick with Xiaomi Mi 3
- Better processor than Mi 4i (Not Mi 4)
- Barometer (which not present in Mi 4i)

Feel free to let me know if there is any mistake on the info provided. Thanks! 

OrignalPost @ miuiForum

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