Phone Comparison - Lenovo K6 Note vs Oppo A57 vs Xiaomi Redmi Note 4

Price Comparison (India) -

general General Info

Manufacturer Lenovo Oppo Xiaomi
Announced September 2016 November 2016 January 2017
Status Available - December 2016 Available - January 2017 Available - January 2017
Price Rs. 13,999 ($199.99) [Similarly Priced] Rs. 14,990 ($240.00) [Similarly Priced] Rs. 10,999 ($145.00) [Similarly Priced]
Colors Dark Gray, Silver, Gold Gold, Rose Gold Gold, Silver, Gray
Form Factor Candybar Candybar Candybar
Dimension 151 x 76 x 8.4 mm
(5.94 x 2.99 x 0.33 in)
149.1 x 72.9 x 7.65 mm
(5.87 x 2.87 x 0.3 in)
151 x 76 x 8.45 mm
(5.94 x 2.99 x 0.33 in)
Weight 169 g (5.96 oz) 147 g (5.19 oz) 165 g (5.82 oz)
SIM Type Dual-SIM Dual-SIM Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO - A59m
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 2100
4G Network LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail
Build Features - Fingerprint Sensor
- Metal Body
- Fingerprint Sensor
- Metal Build
- 2.5D Curved Glass
- Fingerprint Sensor
- Infrared Sensor
Notification LED - Yes Yes

hardware Hardware and OS

OS Android OS, v6.0.1 (Marshmallow) Android OS, v6.0 (Marshmallow) Android OS, v6.0.1 (Marshmallow)
User Interface Vibe UI ColorOS 3.0 MIUI 8
Processor Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8937 Snapdragon 430 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625
GPU Adreno 505 Adreno 505 Adreno 506
RAM 3/4 GB 3 GB 2/3/4 GB
Internal Memory 32 GB 32 GB 32/64 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.2 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (282 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 72.50% 68.79% 72.50%
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 16 MP 13 MP 13 MP
Flash Dual-LED flash LED Flash Dual-LED (Dual Tone)
Features Phase Detection Autofocus, 5P Lens, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Phase Detection Autofocus, f/2.0 aperture, Sony IMX258/Samsung S5K3L8 sensor, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 2160p@30fps, 1080p@30fps, 720p@120fps
Front Camera 8 MP [Similar] 16 MP [Similar] 5 MP, 1080p, f/2.0 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE
Bluetooth v4.1, A2DP v4.1, A2DP v4.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
USB microUSB v2.0, USB OTG microUSB v2.0, USB Host microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 3/4 GB RAM 32 GB, 3 GB RAM 32/64 GB, 2/3/4 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB
USB OTG Supported Supported Yes

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Light Sensor light sensor present light sensor present light sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 4000 mAh 2900 mAh 4100 mAh
Stand by - - -
Talk Time - - -