Karbonn KT21 Express
#9358
Philips X550
#9372Category Breakdown
Karbonn KT21 Express
Philips X550
Performance
54.354.3
Camera
41.941.9
Display
53.453.4
Battery
43.543.5
Build
70.870.8
Overall
51.051.0
Summary
- The Karbonn KT21 Express features a 2.8-inch TFT display with a resolution of 240 x 320 pixels, while the Philips X550 has a similar resolution but a smaller display size, which is unspecified.
- Both devices have a 3.15 MP rear camera, but the X550 includes autofocus, enhancing its photography capabilities.
- In terms of battery, the KT21 Express has a capacity of 1000 mAh, whereas the X550's battery capacity is not provided.
- The build quality of the X550 is more defined with specific dimensions and a weight of 90g, while the KT21 lacks detailed metrics.
- Both phones run on basic software without advanced features, and the KT21 includes a headphone jack, whereas the X550 does not.
Side-by-side Specification Comparison
Karbonn KT21 Express
Philips X550
General
Release Date
2012
2009
Announced
2012
2009
Description
N/A
N/A
Display
Size
2.8"
N/A
Type
TFT
TFT, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio
240 x 320 pixels, 4:3 ratio
PPI
240
240
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
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)
microSD (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Details
3.15 MP
3.15 MP, AF
Front Camera
N/A
N/A
Front Camera Details
N/A
N/A
Video Recording
Yes
CIF@15fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1000 mAh
N/A
Battery Details
Li-Ion 1000 mAh, removable
Removable Li-Po battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
N/A
112 x 45 x 11.7 mm (4.41 x 1.77 x 0.46 in)
Weight
N/A
90 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
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
miniUSB 1.1
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Software
Operating System
N/A
N/A
OS Version
N/A
N/A
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Proximity
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No