Celkon CT 7
#6661
Lava Z40
#7799Category Breakdown
Celkon CT 7
Lava Z40
Performance
57.354.3
Camera
41.941.9
Display
64.364.3
Battery
43.543.5
Build
70.870.8
Overall
54.153.2
Summary
- The Celkon CT 7 features a larger 7.0-inch TFT display with a lower pixel density of ~133 ppi, while the Lava Z40 has a smaller 4.0-inch TN TFT LCD display with a higher pixel density of ~233 ppi, resulting in sharper visuals.
- In terms of performance, the Lava Z40 is powered by a Quad-core 1.4 GHz processor, compared to the Celkon's single-core 1.0 GHz CPU, which may offer better multitasking capabilities.
- Both devices have a 2 MP rear camera, but the Lava Z40 includes a 2 MP front camera for selfies, absent in the Celkon.
- The Celkon CT 7 has a larger battery capacity of 3000 mAh, whereas the Lava Z40's battery is 2250 mAh.
- Software-wise, the Celkon runs on Android 4.0.3, while the Lava operates on the more recent Android 8.1 Oreo (Go edition), providing a more updated user experience.
- The build quality of the Lava Z40 is more compact and lighter at 120g compared to the bulkier Celkon CT 7.
Side-by-side Specification Comparison
Celkon CT 7
Lava Z40
General
Release Date
2014
2019
Announced
2014
2019
Description
N/A
For India
Display
Size
7"
4"
Type
TFT
TN TFT LCD
Resolution
480 x 800 pixels, 5:3 ratio (~133 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass (unspecified version)
Performance
Chipset
N/A
Unisoc SC9832E
CPU
1.0 GHz
Quad-core 1.4 GHz
GPU
N/A
Mali
Memory
8GB 1GB RAM
8GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDXC
Camera
Main Camera
2 MP
2 MP
Main Camera Details
2 MP
2 MP
Front Camera
N/A
2 MP
Front Camera Details
Yes
2 MP
Video Recording
Yes
720p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3000 mAh
2250 mAh
Battery Details
Li-Ion 3000 mAh, non-removable
Li-Ion 2250 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
192 x 110 x 14 mm (7.56 x 4.33 x 0.55 in)
125.5 x 63.9 x 11.7 mm (4.94 x 2.52 x 0.46 in)
Weight
N/A
120 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, White
Gold, Glossy Black
Foldable
✗
✗
Connectivity
SIM
No
Nano-SIM + Nano-SIM
Network
No cellular connectivity
GSM / HSPA / LTE
Network Speed
N/A
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✗
✓
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
2.0
4.2, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
GPS, GLONASS, BDS
Software
Operating System
Android 4.0.3 (Ice Cream Sandwich)
Android 8.1 Oreo (Go edition)
OS Version
Android 4.0.3 (Ice Cream Sandwich)
Android 8.1 Oreo (Go edition)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes