Lenovo K4 Note vs Lenovo K30-T vs Samsung Galaxy J3

BASIC INFO
Model No - - Galaxy J3
Status Available. Released 2016, January Discontinue Available. Released 2016, January
Release Date 2016, January 2014, October 2015,
Dimension 153.60 x 76.50 x 9.10 mm 145 x 70.5 x 8.2 mm 142.3 x 71 x 7.9 mm (5.60 x 2.80 x 0.31 in)
Weight 158 grams 126 g (4.44 oz) 138 g (4.87 oz)
Colors Black Black White, Black, Gold
Body Metrial - - -
W & D Proof - - -
SIM Type Dual SIM (Micro-SIM, dual stand-by) - Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Technology GSM / HSPA / LTE - GSM / HSPA / LTE
OS Android OS, v5.1.1 Lollypop Android OS, v4.4.4 (KitKat) Android OS, v5.1 (Lollipop)
PROSESSING
Processor Octa-core 1.3 GHz Cortex-A53 Quad-core 1.2 GHz Cortex-A7, Mediatek MT6582 chipset and PowerVR SGX544 GPU Quad-core 1.2 GHz Cortex-A7
Chipset Mediatek MT6753 - Spreadtrum SC8830
GPU Mali-T720MP3 - Mali-400
MEMORY
RAM 3/2GB - 1.5GB
Storage 8/16/32GB - 8/16GB
Card Slot Up to 128 GB 8 GB Storage, 1 GB RAM, micro SD up to 32 GB up to 128 GB (dedicated slot)
DISPLAY
Size 5.5 inches 720 x 1280 pixels, 5 inches (~294 ppi pixel density) 5 inches
Type IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors Super Amoled LCD capacitive touchscreen, 16M colors
Resolation 1080 x 1920 pixels - 720 x 1280 pixels
PPI 401 ppi pixel density - 294 ppi pixel density
Multi touch Yes - Yes
Protection Corning Gorilla Glass 3 - -
CAMERA
Primary 13 MP 8 MP, 3264 x 2448 pixels, autofocus, LED flash 8 MP, f/2.2, autofocus, J3109, J320F
5 MP, autofocus, - J320P
Video Yes, 1080p@30fps Yes 1080p video capture, plus a 5MP/1080p selfie camera.
Flash LED flash - Led flash
Features Geo-tagging, touch focus, face detection, HDR, panorama - Geo-tagging, touch focus, face detection, HDR
Selfie Yes, 5 MP Yes, 2 MP 5 MP, f/2.2, 720p@30fps - J3109, J320F
2 MP - J320P
BATTERY
Battery Li-Po battery Li-Ion 2300 mAh battery Li-Ion
Capacity 3300 mAh - 2600 mAh
Removable Non-removable - Yes
StandBy Up to 265 h (3G) - Up to 349 h
Talk Time Up to 23 h (2G) / Up to 22 h (3G) - Up to 22 h
Music Play - - Up to 77 h
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900, GSM 850 / 1800 / 1900, CDMA GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100, CDMA HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - A7010 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300), 41(2500) - A7010 a48 LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F
LTE band 1(2100), 3(1800), 7(2600), 41(2500) - J3109
Speed HSPA, LTE Cat4 150/50 Mbps - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
BlueTooth v4.0, A2DP, LE V3.0 with A2DP v4.1, A2DP
USB microUSB v2.0 MicroUSB v2.0 microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS/ BDS (region dependent)
NFC Yes - No
Audio jeck Yes, 3.5mm - Yes, 3.5mm
OTHERS
Sensors Fingerprint, accelerometer, gyro, proximity, compass - Accelerometer, proximity
Radio FM radio, recording TBD FM radio, RDS, recording
SARUS - - 1.17 W/kg (head) 1.12 W/kg (body)
SAREU - - 0.48 W/kg (head) 0.42 W/kg (body)
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