Lenovo K9 vs Lenovo Rocstar A319

Key Specs

Battery
3000 mAh	1500 mAh
Display
5.7 inches (14.48 cm)	4.0 inches (10.16 cm)
Front Camera
13 MP + 5 MP	2 MP
Processor
MediaTek Helio P22	MediaTek MT6572
RAM
3 GB
Rear Camera
13 MP + 5 MP	5 MP

Battery

Capacity
3000 mAh	1500 mAh
Quick Charging
Yes, Fast	-
Removable
No	Yes
Standby time
-	Up to 240 Hours(3G) / Up to 372 Hours(2G)
TalkTime
-	Up to 3.5 Hours(3G) / Up to 4 Hours(2G)
Type
Li-ion	Li-ion
USB Type-C
Yes	-

Camera

Camera Features
-	Fixed Focus
Camera Setup
-	Single
Flash
-	Yes, LED Flash
Image Resolution
-	2592 x 1944 Pixels
Resolution
-	2 MP, Primary Camera

Design

Build Material
Back: Plastic	-
Colours
Black, Blue	Black, Red, White
Height
153.8 mm	123.5 mm
Thickness
7.9 mm	10.2 mm
Weight
155 grams	130 grams
Width
72.9 mm	63.8 mm

Display

Aspect Ratio
18:9	-
Bezel-less display
Yes	-
Display Type
IPS LCD	LCD
Pixel Density
282 ppi	233 ppi
Resolution
720x1440 px (HD+)	-
Screen Size
5.7 inches (14.48 cm)	4.0 inches (10.16 cm)
Screen to Body Ratio (calculated)
74.78 %	57.8 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Autofocus
Yes	-
Flash
Yes, LED Flash	-
Resolution
13 MP f/2.2, Primary Camera(3" sensor size, 1.12µm pixel size)5 MP, Depth Camera(1.12µm pixel size)	-

General

Brand
Lenovo	Lenovo
Launch Date
November 1, 2018 (Official)	October 21, 2014 (Official)
Operating System
Android v8.1 (Oreo)	Android v4.4 (Kitkat)

Main Camera

Autofocus
Yes, Phase Detection autofocus	-
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	-
Camera Setup
Dual	-
Flash
Yes, Dual LED Flash	-
Image Resolution
4128 x 3096 Pixels	-
Resolution
13 MP f/2.2, Primary Camera(3" sensor size, 1.12µm pixel size)5 MP f/2.4, Depth Camera(1.12µm pixel size)	-
Settings
Exposure compensation, ISO control	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
1920x1080 @ 30 fps	-

Multimedia

Audio Features
-	Dolby Digital, Dolby Digital Plus
Audio Jack
3.5 mm	3.5 mm
FM Radio
Yes	Yes
Fm Radio
-	Yes
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v4.1	Yes, v4.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS
NFC
No	-
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
SIM 1
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 900 MHz 3G Speed: HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available
SIM 2
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	2G Bands: GSM 1800 / 1900 / 900 MHz
SIM Size
SIM1: Nano, SIM2: Nano (Hybrid)	-
SIM Slot(s)
Dual SIM, GSM+GSM, Dual VoLTE	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging	microUSB 2.0
VoLTE
Yes	-
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

Architecture
64 bit	-
CPU
Octa core, 2 GHz, Cortex A53	Dual core, 1.3 GHz, Cortex A7
Chipset
MediaTek Helio P22	MediaTek MT6572
Fabrication
12 nm	-
Graphics
PowerVR GE8320	Mali-400
RAM type
LPDDR3	-
Ram
-	512 MB Below

Sensors

Fingerprint Sensor
Yes	-
Fingerprint Sensor Position
Rear	-
Other Sensors
Light sensor, Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Yes, Up to 256 GB	Yes, Up to 32 GB
Internal Memory
32 GB	4 GB Below
Storage Type
eMMC 5.1	-
USB OTG
Yes	-
User Available Storage
Up to 24 GB	-