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HTC Desire 620G vs Karbonn A1 Champ Alfa 3G

Summary
56%
Performance

MediaTek MT6592

1 GB RAM

Spreadtrum SC7715

256 MB RAM

Display

5.0" (12.7 cm)

720x1280 px (HD)

3.5" (8.89 cm)

320x480 px

Rear Camera

8 MP

Single Camera

3 MP

Single Camera

Front Camera

5 MP

Single Camera

0.3 MP

Single Camera

Battery

2100 mAh

12 h talktime (3G)

1300 mAh

5 h talktime (2G)

Storage

8 GB

32 GB (Expandable)

512 MB

32 GB (Expandable)

User Rating

★★★★★
★★★★★

3.9/5 based on 11,148 ratings

Read All User Reviews

★★★★★
★★★★★

3.7/5 based on 41 ratings

Read All User Reviews

Compare Prices
Rs. 8,345 @Amazon Buy
Not available in any other store
Karbonn A1 Champ Alfa 3G is permanently discontinued.
General
Launch Date

December 9, 2014 (Official)

Operating System

Android v4.4.4 (Kitkat)

Android v4.4 (Kitkat)

Performance
Below Average
Chipset

MediaTek MT6592

Spreadtrum SC7715

CPU

Octa core, 1.7 GHz, Cortex A7

Single core, 1.2 GHz, Cortex A7

Architecture

32 bit

Graphics

Mali-450 MP4

RAM

1 GB

256 MB

Display
Good
Display Type

S-LCD

TFT

Screen Size

5.0 " (12.7 cm)

3.5 " (8.89 cm)

Resolution

720x1280 px (HD)

320x480 px

Pixel Density

294 ppi

165 ppi

Screen to Body Ratio (calculated)

63.01 %

48.84 %

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Design
Size Compare
Size Compare
Dimensions

Height: 150.1 mm
Width: 72.7 mm
Thickness: 9.6 mm

Height: 117.8 mm
Width: 63.4 mm
Thickness: 10 mm

Weight

160 grams

108 grams

Colours

Grey, White

Black, Blue

Camera
Main Camera
Camera Setup

Single

Single

Resolution

8 MP, Primary Camera

3 MP, Primary Camera

Sensor

Back-illuminated sensor (BSI)

Autofocus

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

3264 x 2448 Pixels

2000 x 1504 Pixels

Settings

Exposure compensation, ISO control

Shooting Modes

High Dynamic Range mode (HDR)

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom

Video Recording

1920x1080 @ 30 fps

Front Camera
Average
Camera Setup

Single

Single

Resolution

5 MP, Primary Camera

0.3 MP, Primary Camera

Sensor

BSI Sensor

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps

Battery
Below Average
Capacity

2100 mAh

1300 mAh

Type

Li-Polymer

Li-ion

Removable

TalkTime

Up to 12 Hours(3G)

Up to 5 Hours(2G)

Standby time

Up to 617 Hours(3G)

Up to 120 Hours(2G)

USB Type-C

No

Storage
Very Good
Internal Memory

8 GB

512 MB

Expandable Memory

, Up to 32 GB

, Up to 32 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Micro

Network Support

5G Not Supported in India, 3G, 2G

5G Not Supported in India, 3G, 2G

SIM 1

3G Bands:
UMTS 2100 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
3G Speed:
HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑
GPRS:
Available
EDGE:
Available

3G Bands:
UMTS 2100 MHz
2G Bands:
GSM 1800 / 900 MHz
GPRS:
Available
EDGE:
Available

SIM 2

2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz

2G Bands:
GSM 1800 / 900 MHz

SAR Value

Head: 0.362 W/kg, Body: 0.534 W/kg

Wi-Fi

, Wi-Fi 4 (802.11 b/g/n)

, Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Mobile Hotspot

Bluetooth

, v4.0

, v3.0

GPS

with A-GPS, Glonass

USB Connectivity

Mass storage device, USB charging, microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Fingerprint Sensor

No

Other Sensors

Light sensor, Proximity sensor, Accelerometer

Accelerometer

Price list

Rs. 8,345
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