On this page we compare specs Lava Z91 Quad-core 1.3 GHz Cortex-A53 with Lava Z66 Octa core, 1.6 GHz, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
Hardware and OS | Lava Z91 | Lava Z66 |
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Operating system | Android 7.1 (Nougat) | Android v10 (Q) |
Processor | Quad-core 1.3 GHz Cortex-A53 | Octa core, 1.6 GHz |
Chipset | Mediatek MT6739 (28 nm) | |
RAM | | 3 GB |
GPU | PowerVR GE8100 | |
Internal memory | 32 GB, 3 GB RAM | 32 GB |
Expandable Memory | | yes Up to 128 GB |
External memory | microSD, up to 128 GB (dedicated slot) | |
SIM Slot(s) | | Dual SIM, GSM GSM |
Display | Lava Z91 | Lava Z66 |
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Type | IPS LCD | |
Screen Size | | 6.08 inches (15.44 cm) |
Size | 5.7" inc | |
Screen Resolution | | 720 x 1560 pixels |
Resolution | 720 x 1440 px | |
Display Type | | IPS LCD |
Touchscreen | capacitive touchscreen | |
Screen-to-Body Ratio | 75.7% | |
Aspect Ratio | | 19:9 |
Display area | 83.8 cm2 | |
Touch Screen | | yes Capacitive Touchscreen, Multi-touch |
Display aspect ratio | 18:9 (height:width) | |
Pixel Density | 282 PPI | 283 ppi |
Colors | 16M | |
Main Camera | Lava Z91 | Lava Z66 |
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Resolution | | 13 MP f/2.0 Primary Camera(1.12µm pixel size)5 MP, Depth Camera
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Image Resolution | | 4128 x 3096 Pixels |
Flash | | yes LED Flash |
Camera Features | | Digital Zoom, Auto Flash, Face detection, Touch to focus |
Autofocus | | yes |
Physical Aperture | | F2.0 |
Video Recording | | 1920x1080 @ 30 fps |
Shooting Modes | | Continuos Shooting, High Dynamic Range mode (HDR), Burst mode |
Settings | | Exposure compensation, ISO control |
Connectivity | Lava Z91 | Lava Z66 |
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2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | |
3G Network | HSDPA 900 / 2100 | |
4G Network | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) | |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | yes Wi-Fi 802.11, b/g/n |
Network | GSM / HSPA / LTE | 4G: Available , 3G: Available, 2G: Available |
SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
Bluetooth | 4.0, A2DP | yes v4.2 |
Edge | Yes | |
GPRS | Yes | |
GPS | Yes, with A-GPS | yes with A-GPS, Glonass |
Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
USB | microUSB 2.0, USB On-The-Go | |
SIM Size | | SIM1: Nano, SIM2: Nano |
NFC | | No |
VoLTE | | yes |
Wi-Fi Features | | Mobile Hotspot |
USB Connectivity | | Mass storage device, USB charging, microUSB 2.0 |
Front Camera | Lava Z91 | Lava Z66 |
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Resolution | | 13 MP f/2.2 Primary Camera(1.12µm pixel size) |
Flash | | yes Screen flash |
Physical Aperture | | F2.2 |
Camera | Lava Z91 | Lava Z66 |
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Main camera | 13 MP, Single | |
Specs | 13 MP, f/2.0, 1.12µm, AF | |
Features | LED flash | |
Video | 1080p@30fps | |
Selfie camera | 8 MP, Single | |
Multimedia | Lava Z91 | Lava Z66 |
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3.5 mm Jack | Yes | |
Audio Jack | | 3.5 mm |
Radio | FM radio | |
FM Radio | | yes |
Loudspeaker | | yes |
Design | Lava Z91 | Lava Z66 |
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Colors | Blue | |
Dimensions | 152 x 72.9 x 7.7 mm | |
Height | | 155.6 mm |
Weight | 147 g | 162 grams |
Width | | 73.5 mm |
Thickness | | 8.8 mm |
Colours | | Midnight Blue, Marine Blue, Berry Red |
Battery | Lava Z91 | Lava Z66 |
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Battery capacity | 3000 mAh, Non-removable Li-Po | |
Type | | Li-Polymer |
Capacity | | 3950 mAh |
User Replaceable | | No |
TalkTime | | Up to 16 Hours(3G) / Up to 38 Hours(2G) |
USB Type-C | | No |
USB OTG Support | | yes |
Other | Lava Z91 | Lava Z66 |
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Release date | 2018, March | |
Sensors | Fingerprint (rear-mounted), accelerometer, proximity | |
Features | Lava Z91 | Lava Z66 |
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Fingerprint Sensor | | yes |
Fingerprint Sensor Position | | Rear |
Other Sensors | | Light sensor, Proximity sensor, Accelerometer |