Celkon CT 7
#7852
Lava Z40
#7044Category Breakdown
Celkon CT 7
Lava Z40
Performance
29.745.9
Camera
39.624.2
Display
16.912.0
Battery
24.220.6
Build
0.20.2
Connectivity
11.746.5
Audio
8.98.9
Overall
17.220.8
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
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 Features
N/A
LED flash, HDR
Front Camera
Yes
2 MP
Front Camera Features
N/A
LED flash
Video Recording
Yes
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo 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 & Safety
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
Colors
Black, White
Gold, Glossy Black
Foldable
✗
✗
SAR
N/A
N/A
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
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.0.3 (Ice Cream Sandwich)
Android 8.1 Oreo (Go edition)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer