Lava Z91 (2GB)
#4873
Samsung Galaxy J7 (2018)
#4885Category Breakdown
Lava Z91 (2GB)
Samsung Galaxy J7 (2018)
Performance
49.756.9
Camera
27.919.1
Display
56.519.1
Battery
24.226.1
Build
0.273.0
Connectivity
48.857.9
Audio
8.98.9
Overall
30.630.5
Summary
- The Lava Z91 features a 5.7-inch IPS LCD display with a resolution of 720 x 1440 pixels, while the Samsung Galaxy J7 (2018) has a slightly smaller 5.5-inch TFT display at 720 x 1280 pixels.
- In terms of performance, the Lava is powered by a Mediatek MT6739 chipset with a quad-core CPU, whereas the J7 utilizes the more efficient Exynos 7870 Octa with an octa-core CPU.
- The camera on the Lava Z91 offers a 13 MP rear sensor and an 8 MP front camera, compared to the J7's 8 MP rear and 5 MP front options, which may affect photo quality.
- Battery capacity is slightly higher in the J7 at 3300 mAh versus the Z91's 3000 mAh, but both lack fast charging.
- The Lava runs on Android 7.1 Nougat, while the J7 comes with Android 8.0 Oreo, upgradeable to Android 9.0, providing a more modern software experience.
- Build quality differs as the J7 incorporates Gorilla Glass 5 on the front, while the Z91 uses plastic materials.
Side-by-side Specification Comparison
Lava Z91 (2GB)
Samsung Galaxy J7 (2018)
General
Release Date
2018
2018
Announced
2018
2018
Description
For India
Versions: Galaxy J7 V SM-J737V (Verizon); Galaxy J7 Star SM-J737T (T-Mobile/Metro PCS), SM-J737A (AT&T); Galaxy J7 Refine 2018 SM-J737P (Sprint, Virgin Mobile, Boost Mobile), SM-J737U (USA unlocked)
Display
Size
5.7"
5.5"
Type
IPS LCD
TFT
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 5
Performance
Chipset
Mediatek MT6739 (28 nm)
Exynos 7870 Octa (14 nm)
CPU
Quad-core 1.3 GHz Cortex-A53
Octa-core 1.6 GHz Cortex-A53
GPU
PowerVR GE8100
Mali-T830 MP1
Memory
16GB 2GB RAM
16GB 2GB RAM, 32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/2.0, 1/3.1", 1.12µm, AF
8 MP, AF or 13 MP, f/1.7, AF (operator dependent)
Main Camera Features
LED flash
LED flash, HDR, panorama
Front Camera
8 MP, f/2.2
5 MP / 13 MP, f/1.7 (operator dependent)
Front Camera Features
LED flash
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3300 mAh
Battery Details
Li-Po 3000 mAh, non-removable
Li-Ion 3300 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
152 x 72.9 x 7.7 mm (5.98 x 2.87 x 0.30 in)
153.2 x 76.2 x 8.6 mm (6.03 x 3.00 x 0.34 in)
Weight
147 g
181 g
Materials
N/A
Glass front (Gorilla Glass 5), plastic back, plastic frame
Colors
Blue
Black, Blue, Gold
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
4.0, A2DP
4.1/4.2, A2DP, LE
NFC
✗
✓
USB
microUSB 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 7.1 (Nougat)
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie), One UI
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Accelerometer, gyro, proximity, compass