Lava Z70 vs Lava Z91

Key Specs

Battery
Battery	2500 mAh	3000 mAh
Display
Display	5.0 inches (12.7 cm)	5.7 inches (14.48 cm)
Front Camera
Front Camera	5 MP	8 MP
Processor
Processor	MediaTek MT6737	MediaTek MT6739
RAM
RAM	2 GB	3 GB
Rear Camera
Rear Camera	8 MP	13 MP

Battery

Capacity
Capacity	2500 mAh	3000 mAh
Removable
Removable	Yes	No
Standby time
Standby Time	Up to 194 Hours(3G)	-
TalkTime
TalkTime	Up to 11.5 Hours(3G)	-
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	No	No

Design

Colours
Colours	Black, White and Gold	Blue
Height
Height	143 mm	152 mm
Thickness
Thickness	8.3 mm	7.7 mm
Weight
Weight	140 grams	147 grams
Width
Width	71 mm	72.9 mm

Display

Aspect Ratio
Aspect Ratio	-	18:9
Bezel-less display
Bezel-less display	-	Yes
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	294 ppi	282 ppi
Resolution
Resolution	720x1280 px (HD)	720x1440 px (HD+)
Screen Size
Screen Size	5.0 inches (12.7 cm)	5.7 inches (14.48 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	67.72 %	75.67 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
Resolution	5 MP, Primary Camera	8 MP f/2.2, Primary Camera

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General

Brand
Brand	Lava	Lava
Custom UI
Custom UI	Star OS	Star OS
Launch Date
Launch Date	October 4, 2017 (Official)	April 12, 2018 (Official)
Operating System
Operating System	Android v7.0 (Nougat)	Android v7.0 (Nougat)

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	3264 x 2448 Pixels	4128 x 3096 Pixels
OIS
OIS	No	-
Resolution
Resolution	8 MP, Primary Camera	13 MP f/2.0, Primary Camera(1.12µm pixel size)
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	1920x1080 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v4.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 3G Speed: HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available
SIM 2
SIM 2	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 3G Speed: HSDPA 42.2 Mbit/s ↓ GPRS: Available EDGE: Available
SIM Size
SIM Size	-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	-
CPU
CPU	Quad core, 1.3 GHz, Cortex A53	Quad core, 1.3 GHz, Cortex A53
Chipset
Chipset	MediaTek MT6737	MediaTek MT6739
Graphics
Graphics	Mali-T720 MP2	PowerVR GE8100

Sensors

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

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 128 GB
Internal Memory
Internal Memory	16 GB	32 GB
USB OTG
USB OTG	-	Yes