Karbonn KT21 Express
#10084
Motorola EX128
#11008Category Breakdown
Karbonn KT21 Express
Motorola EX128
Performance
5.35.3
Camera
39.69.6
Display
15.226.3
Battery
10.38.6
Build
0.20.2
Connectivity
9.18.4
Audio
8.98.9
Overall
10.77.8
Summary
- The Karbonn KT21 Express features a 2.8-inch TFT display with a resolution of 240 x 320 pixels, while the Motorola EX128 has a slightly larger 3.2-inch TFT resistive touchscreen with a resolution of 240 x 400 pixels, offering a better pixel density.
- Both devices are equipped with a 3.15 MP rear camera, but the EX128 supports video recording at QCIF@15fps, whereas the KT21 Express does not specify video capabilities.
- In terms of battery, the KT21 Express has a 1000 mAh capacity compared to the EX128's 910 mAh, potentially offering longer usage.
- The build quality of the EX128 includes specific dimensions and a weight of 80g, while the KT21 Express lacks detailed dimensions but is lightweight.
- Both phones run basic software experiences without advanced features, and neither supports modern connectivity options like WiFi or 5G.
Side-by-side Specification Comparison
Karbonn KT21 Express
Motorola EX128
General
Release Date
2012
2010
Announced
2012
2010
Description
N/A
N/A
Display
Size
2.8"
3.2"
Type
TFT
TFT resistive touchscreen, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio
240 x 400 pixels, 5:3 ratio (~146 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
N/A
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Features
LED flash
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
QCIF@15fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1000 mAh
910 mAh
Battery Details
Li-Ion 1000 mAh, removable
Removable Li-Ion 910 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
N/A
107 x 57 x 12.8 mm (4.21 x 2.24 x 0.50 in)
Weight
N/A
80 g
Materials
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
SAR
N/A
N/A
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
2.1, A2DP
NFC
✗
✗
USB
microUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Proximity
N/A