Home/Celkon/Celkon A21 vs HTC Dream
Celkon A21

Celkon A21

#6465
HTC Dream

HTC Dream

#6696

Category Breakdown

Celkon A21
HTC Dream
Performance
62.561.8
Camera
41.941.9
Display
57.057.0
Battery
43.543.5
Build
70.870.8
Overall
54.254.0

Summary

  • The Celkon A21 features a larger 4.0-inch TFT display compared to the HTC Dream's 3.2-inch screen, both with the same resolution but the A21 offers a lower pixel density.
  • In terms of performance, the A21 is powered by a quad-core Mediatek MT6582 processor, while the HTC Dream runs on a single-core 528 MHz ARM 11, resulting in superior multitasking capabilities for the A21.
  • Both devices have a 3.15 MP rear camera, but the HTC Dream includes autofocus, enhancing its photographic performance.
  • The A21 has a slightly larger battery capacity at 1500 mAh versus the Dream's 1150 mAh, which may provide better longevity.
  • The A21 runs on Android 4.2.2, offering a more updated software experience compared to the HTC Dream's Android 1.6.
  • Lastly, the Celkon A21 is lighter at 115.3g compared to the HTC Dream's 158g, contributing to a more portable design.

Side-by-side Specification Comparison

Celkon A21
HTC Dream

General

Release Date

2014
2009

Announced

2014
2009

Description

N/A
N/A

Display

Size

4"
3.2"

Type

TFT
TFT, 65K colors

Resolution

320 x 480 pixels, 3:2 ratio (~144 ppi density)
320 x 480 pixels, 3:2 ratio (~180 ppi density)

PPI

320
320

Refresh Rate

60Hz
60Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

N/A
N/A

Performance

Chipset

Mediatek MT6582 (28 nm)
Qualcomm MSM7201A

CPU

Quad-core 1.3 GHz Cortex-A7
528 MHz ARM 11

GPU

Mali-400MP2
Adreno 130

Memory

512MB 256MB RAM
192MB RAM, 256MB

Expandable Storage

Card Slot

microSDHC
microSD (dedicated slot)

Camera

Main Camera

3.15 MP
3.15 MP

Main Camera Details

3.15 MP
3.15 MP, AF

Front Camera

1.3 MP
N/A

Front Camera Details

1.3 MP
N/A

Video Recording

Yes
Yes

Selfie Video

N/A
N/A

OIS

Night Mode

RAW Support

Battery

Capacity

1500 mAh
1150 mAh

Battery Details

Li-Ion 1500 mAh battery
Removable Li-Ion 1150 mAh battery

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Design

Dimensions

124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in)
117.7 x 55.7 x 17.1 mm (4.63 x 2.19 x 0.67 in)

Weight

115.3 g
158 g

Materials

N/A
N/A

Water Resistance

N/A
N/A

Colors

Black, Blue, Red
Black

Foldable

Connectivity

SIM

Dual SIM (Dual stand-by)
Mini-SIM

Network

GSM / HSPA
GSM / HSPA

Network Speed

HSPA
HSPA 7.2/2 Mbps

5G

4G

WiFi

Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g

Bluetooth

4.0, A2DP
2.0, A2DP (headset support only)

NFC

USB

microUSB
miniUSB

IR Blaster

Headphone Jack

Radio

Positioning

No
GPS

Software

Operating System

Android 4.2.2 (Jelly Bean)
Android 1.6 (Donut)

OS Version

Android 4.2.2 (Jelly Bean)
Android 1.6 (Donut)

Security

Fingerprint

Face Unlock

Sensors

Accelerometer
Accelerometer, compass

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
No