Karbonn KT21 Express
#10084
LG SU920
#9281Category Breakdown
Karbonn KT21 Express
LG SU920
Performance
5.35.3
Camera
39.639.6
Display
15.232.3
Battery
10.38.3
Build
0.20.2
Connectivity
9.113.2
Audio
8.98.9
Overall
10.712.8
Summary
- The Karbonn KT21 Express features a smaller 2.8-inch TFT display with a resolution of 240 x 320 pixels, while the LG SU920 has a slightly larger 3.0-inch TFT display with a resolution of 240 x 400 pixels, providing a better pixel density.
- Both devices have similar performance specifications with 0GB of RAM and no specified chipset, but the LG SU920 offers a marginally better rear camera at 3.2 MP with autofocus compared to the 3.15 MP camera on the Karbonn.
- The KT21 Express has a 1000 mAh battery, slightly larger than the 900 mAh battery in the LG SU920.
- In terms of build quality, the LG SU920 is more substantial with dimensions of 109.3 x 52.5 x 11.7 mm and a weight of 97g, while the Karbonn lacks specified dimensions and weight.
- Both phones run on unspecified software and do not support advanced connectivity options like WiFi or 5G.
Side-by-side Specification Comparison
Karbonn KT21 Express
LG SU920
General
Release Date
2012
2010
Announced
2012
2010
Description
N/A
For South KoreaAlso known as LG KU9200
Display
Size
2.8"
3"
Type
TFT
TFT, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio
240 x 400 pixels, 5:3 ratio (~155 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
3.2 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
900 mAh
Battery Details
Li-Ion 1000 mAh, removable
Removable Li-Ion 900 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
N/A
109.3 x 52.5 x 11.7 mm (4.30 x 2.07 x 0.46 in)
Weight
N/A
97 g
Materials
N/A
N/A
Colors
Black
Black, White, Pink
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
No cellular connectivity
GSM
Network Speed
N/A
TD-SCDMA
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
Accelerometer