Firefly Mobile Z2 vs Vivo Y91i: Side by Side Specs Comparison

This is a side-by-side smartphone specs comparison of the Firefly Mobile Z2 and Vivo Y91i.

The Firefly Mobile Z2 has a 5.5-inch display, Mediatek Helio X20 processor, cameras, 4G LTE connectivity, and 3000mAh battery.

Meanwhile, the Vivo Y91i has a 6.22-inch display, Qualcomm Snapdragon 439 processor, dual cameras, 4G LTE (with VoLTE) connectivity, and 4030mAh battery.


Specs Firefly Mobile Z2 Vivo Y91i
Picture Firefly Mobile Z2
3/5 stars (5 ratings)
× Vivo Y91i
3.5/5 stars (52 ratings)
Screen 5.5-inch FHD LTPS Display (1080 x 1920 Pixels, 401 ppi) 6.22-inch HD+ IPS LCD Display (720 x 1520 Pixels, 270 ppi) with 19:9 Aspect Ratio, 2.5D Arc Glass, Rounded Corners and Notch
OS Android 6.0 Marshmallow Android 8.1 Oreo with Funtouch OS 4.5
Chipset Mediatek Helio X20 Qualcomm Snapdragon 439
CPU Deca Core CPU
2x Cortex-A72 @ 2.3GHz , 4x Cortex-A53 @ 1.85GHz & 4x Cortex-A53 @ 1.4GHz
Octa Core CPU
4x Cortex-A53 @ 1.95GHz & 4x Cortex-A53 @ 1.45GHz
GPU Mali-T880 Adreno 505
RAM 4 GB 2 GB
Rear Camera 16.0 Megapixels
Phase Detection Autofocus
Dual LED Flash
Dual Cameras:
13MP Main Camera (f/2.2 Aperture)
2MP Depth Camera
-Autofocus and LED Flash
Front Camera 8.0 Megapixels
- f/1.8 Aperture and Wide Angle FOV
8 Megapixels (f/2.0 Aperture)
Storage 32GB 16GB
Expansion 128GB via microSD 256GB via microSD
SIM Dual SIM (Nano-SIM) Dual SIM (Nano-SIM)
Networks 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n
NFC No No
Bluetooth Bluetooth 4.1 Bluetooth 4.2
Position A-GPS A-GPS
USB OTG Yes Yes
USB USB Type-C MicroUSB 2.0
3.5mm Audio Jack Yes Yes
Audio Enhancement None None
FM Radio Yes Yes
Sensors Fingerprint Sensor
Proximity Sensor & Ambient Light Sensor
Compass, Gyroscope & Accelerometer
Face Recognition & Fingerprint Sensor
Proximity Sensor & Ambient Light Sensor
Compass, Gyroscope & Accelerometer
Battery 3000 mAh Li-ion Battery (Non-removable)
Fast Charging
4030 mAh Li-ion Battery (Non-removable)
Material Metal Polycarbonate
Size 153 x 76 x 8.4 mm 155.11 x 75.09 x 8.28 mm
Weight 160 g 164 g
Colors Gold and Silver Black, Blue and Red
Launch Date April 2018 December 2018
Price 7,999.00 - Official Price in the Philippines 8,499.00 - Official Price in the Philippines
Buy Online Firefly Mobile Z2 on Lazada
Firefly Mobile Z2 on Shopee
Vivo Y91i on Lazada
Vivo Y91i on Shopee

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