score
Largest Gadget Discovery Site in India

Karbonn Titanium S21 vs M-Tech Ace 7

Compare Karbonn Titanium S21

Rs. 2,999
(Discontinued)

 

View Details >

Compare M-Tech Ace 7

Rs. 3,400
(Discontinued)

 

View Details >

Summary
Performance

512 MB RAM

512 MB RAM

Display

4.5" (11.43 cm)

480x854 px

4.5" (11.43 cm)

480x854 px

Rear Camera

3.2 MP

Single Camera

3.2 MP

Single Camera

Front Camera

0.3 MP

Single Camera

1.3 MP

Single Camera

Battery

1600 mAh

3 h talktime (2G)

1600 mAh

7 h talktime (2G)

Storage

4 GB

32 GB (Expandable)

4 GB

32 GB (Expandable)

Expert Rating
User Rating

★★★★★
★★★★★

3.2/5 based on 218 ratings

★★★★★
★★★★★

2.8/5 based on 65 ratings

Compare Prices
Karbonn Titanium S21 is permanently discontinued.
M-Tech Ace 7 is permanently discontinued.
General
Operating System

Android v4.4.2 (Kitkat)

Android v5.1 (Lollipop)

Performance
CPU

Quad core, 1.2 GHz

Quad core, 1.3 GHz

RAM

512 MB

512 MB

Display
Display Type

TFT

IPS LCD

Screen Size

4.5 " (11.43 cm)

4.5 " (11.43 cm)

Resolution

480x854 px

480x854 px

Pixel Density

218 ppi

218 ppi

Screen to Body Ratio (calculated)

61.12 %

60.23 %

Screen Protection

No

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen

Design
Size Compare
Size Compare
Dimensions

Height: 134 mm
Width: 68 mm
Thickness: 10 mm

Height: 135 mm
Width: 68.5 mm
Thickness: 10.9 mm

Weight

118 grams

Colours

Blue, Grey

Black

Camera
Main Camera
Camera Setup

Single

Single

Resolution

3.2 MP, Primary Camera

3.2 MP, Primary Camera

Autofocus

No

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

2048 x 1536 Pixels

2048 x 1536 Pixels

Camera Features

Digital Zoom

Digital Zoom

Front Camera
Camera Setup

Single

Single

Resolution

0.3 MP, Primary Camera

1.3 MP, Primary Camera

Autofocus

No

Flash

No

No

Battery
Capacity

1600 mAh

1600 mAh

Type

Li-ion

Li-ion

Removable

TalkTime

Up to 3 Hours(2G)

Up to 7 Hours(2G)

Standby time

Up to 136 Hours(2G)

USB Type-C

No

No

Storage
Internal Memory

4 GB

4 GB

Expandable Memory

, Up to 32 GB

, Up to 32 GB

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Network Support

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

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

SIM 1

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

2G Bands:
GSM 1800 / 900 MHz

Wi-Fi

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

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

Wi-Fi Features

Mobile Hotspot

Mobile Hotspot

Bluetooth

GPS

with A-GPS

NFC

No

No

USB Connectivity

microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Sensors
Fingerprint Sensor

No

No

Other Sensors

Proximity sensor, Accelerometer

Accelerometer