Home/Karbonn/Karbonn KT21 Express vs Philips X550
Karbonn KT21 Express

Karbonn KT21 Express

#10084
Philips X550

Philips X550

#11033

Category Breakdown

Karbonn KT21 Express
Philips X550
Performance
5.35.3
Camera
39.611.2
Display
15.232.3
Battery
10.31.6
Build
0.20.2
Connectivity
9.12.7
Audio
8.98.9
Overall
10.77.7

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

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, AF

Main Camera Features

LED flash
N/A

Front Camera

N/A
N/A

Front Camera Features

N/A
N/A

Video Recording

Yes
CIF@15fps

Selfie Video

N/A
N/A

Optical Stabilization

Night Mode

Raw Photo 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 & Safety

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

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
2.0, A2DP

NFC

USB

microUSB
miniUSB 1.1

IR Blaster

Headphone Jack

Radio

Positioning

No
No

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
No

Software & Security

Operating System

N/A
N/A

Fingerprint

Face Unlock

Sensors

Proximity
N/A