Category Breakdown
Celkon A66
Karbonn A15
Performance
51.357.3
Camera
41.941.9
Display
64.364.3
Battery
43.543.5
Build
70.870.8
Overall
52.354.1
Summary
- The Celkon A66 features a larger 4.5-inch TFT display with a resolution of 480 x 854 pixels, while the Karbonn A15 has a 4.0-inch TFT display with a resolution of 480 x 800 pixels, resulting in slightly higher pixel density for the A15.
- In terms of performance, the A66 is equipped with a dual-core 1.2 GHz CPU compared to the A15's 1.0 GHz CPU, providing better processing capability.
- Both phones have a 3.15 MP rear camera, but neither offers optical image stabilization.
- The A66 has a larger 2000 mAh battery, whereas the A15 has a 1420 mAh battery, which may result in longer usage time for the A66.
- Both devices run on older versions of Android, with the A66 on Jelly Bean and the A15 on Ice Cream Sandwich, leading to a more dated software experience overall.
- The A66 is slightly heavier at 98g, while the A15's weight is unspecified.
Side-by-side Specification Comparison
Celkon A66
Karbonn A15
General
Release Date
2014
2012
Announced
2014
2012
Description
N/A
N/A
Display
Size
4.5"
4"
Type
TFT
TFT
Resolution
480 x 854 pixels, 16:9 ratio (~218 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
N/A
Performance
Chipset
N/A
N/A
CPU
Dual-core 1.2 GHz
1.0 GHz
GPU
N/A
N/A
Memory
4GB 512MB RAM
4GB (2.5GB user available), 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Details
3.15 MP
3.15 MP
Front Camera
N/A
N/A
Front Camera Details
VGA
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2000 mAh
1420 mAh
Battery Details
Li-Ion 2000 mAh battery
Li-Ion 1420 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
136 x 67.2 x 11 mm (5.35 x 2.65 x 0.43 in)
N/A
Weight
98 g
N/A
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
White, Black
Black
Foldable
✗
✗
Connectivity
SIM
Dual SIM
Dual SIM (Mini-SIM)
Network
GSM
GSM / HSPA
Network Speed
N/A
HSPA 7.2/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n
Bluetooth
2.0
2.0
NFC
✗
✗
USB
microUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS
Software
Operating System
Android 4.1.2 (Jelly Bean)
Android 4.0.4 (Ice Cream Sandwich)
OS Version
Android 4.1.2 (Jelly Bean)
Android 4.0.4 (Ice Cream Sandwich)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

