Phone Comparison - Samsung Z2 vs Xiaomi Redmi 4 vs Xiaomi Redmi 4A

general General Info

Manufacturer Samsung Xiaomi Xiaomi
Announced August 2016 November 2016 November 2016
Status Available - August 2016 Available - November 2016 Available - November 2016
Price Rs. 4,250 ($62.50) [Similarly Priced] Rs. 8,900 ($133.00) [Similarly Priced] Rs. 5,999 ($92.00) [Similarly Priced]
Colors Gold Dark Gray, Silver, Gold Gold, Rose Gold, Dark Gray
Form Factor Candybar Candybar Candybar
Dimension - 141.3 x 69.6 x 8.9 mm
(5.56 x 2.74 x 0.35 in)
139.5 x 70.4 x 8.5 mm
(5.49 x 2.77 x 0.33 in)
Weight - 156 g (5.5 oz) 131.5 g (4.62.0.18 oz)
SIM Type - Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan HSDPA 850 / 1900 / 2100
4G Network LTE LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor
- Infrared Sensor
- Metal Build
- 2.5D Curved Glass
- Metal Body
- Infrared Sensor

hardware Hardware and OS

OS Tizen OS, v2.4 Android OS, v6.0.1 (Marshmallow) Android OS, v6.0.1 (Marshmallow)
User Interface - MIUI 8 MIUI 8
Processor Quad-core 1.5 GHz Cortex-A7, Spreadtrum SC9830A Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425
GPU Mali-400 Adreno 506 Adreno 308
RAM 1 GB 3 GB 2 GB
Internal Memory 8 GB 32 GB 16 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type PLS TFT capacitive touchscreen IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 5.0 inches 5.0 inches
Resolution 480 x 800 pixels (233 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio - 69.95% 70.04%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM Radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 13 MP, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash Dual-LED (dual Tone) LED Flash
Features Geo-tagging, Face Detection Phase Detection Autofocus, f/2.2 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video Yes 1080p@30fps 1080p@30fps
Front Camera VGA [Similar] 5 MP [Similar] 5 MP, f/2.2, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE
Bluetooth v4.1, A2DP v4.2, A2DP, EDR, LE v4.1, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0, USB OTG microUSB v2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
Browser HTML HTML5 HTML5

memory User Memory

Internal 8 GB, 1GB RAM 32 GB, 3 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB (uses SIM 2 slot)
USB OTG - Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint supported fingerprint not supported
Proximity Sensor proximity sensor not present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 1500 mAh 4100 mAh 3120 mAh
Stand by - - -
Talk Time - - -