Karbonn KT21 Express
#10084
Motorola A1600
#8790Category Breakdown
Karbonn KT21 Express
Motorola A1600
Performance
5.320.6
Camera
39.639.6
Display
15.226.3
Battery
10.38.8
Build
0.217.6
Connectivity
9.18.9
Audio
8.98.9
Overall
10.714.1
Summary
- The Karbonn KT21 Express features a 2.8-inch TFT display with a resolution of 240 x 320 pixels, while the Motorola A1600 has a slightly smaller 2.4-inch TFT resistive touchscreen with the same resolution but lower pixel density.
- In terms of performance, the KT21 has no RAM, whereas the A1600 offers 27MB of storage and significantly more RAM, enhancing its multitasking capabilities.
- Both phones have a 3.15 MP rear camera, but the A1600 includes autofocus, which may improve image quality.
- The KT21 has a 1000 mAh battery, slightly larger than the A1600's 930 mAh, but both lack fast charging and wireless capabilities.
- The KT21 runs an unspecified OS, while the A1600 operates on Linux, offering a different software experience, and only the KT21 has a headphone jack.
Side-by-side Specification Comparison
Karbonn KT21 Express
Motorola A1600
General
Release Date
2012
2008
Announced
2012
2008
Description
N/A
N/A
Display
Size
2.8"
2.4"
Type
TFT
TFT resistive touchscreen, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio
240 x 320 pixels, 4:3 ratio (~167 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
N/A
27MB
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP, AF
Main Camera Features
LED flash
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1000 mAh
930 mAh
Battery Details
Li-Ion 1000 mAh, removable
Removable Li-Ion 930 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
N/A
98.9 x 53.5 x 19.6 mm (3.89 x 2.11 x 0.77 in)
Weight
N/A
128 g
Materials
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
SAR
N/A
0.58 W/kg (head) 0.26 W/kg (body)
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
No cellular connectivity
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
2.0
2.0, A2DP
NFC
✗
✗
USB
microUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
N/A
Linux
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Proximity
N/A