Lava Z1 vs Karbonn X21

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Comparing the Lava Z1 vs Karbonn X21 across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Lava Z1 runs at a higher processing speed of 1.8 GHz, while Karbonn X21 runs at 1.6 GHz, making Lava Z1 the better performer.


Display: Karbonn X21 offers a screen size of 5.45 inches, while Lava Z1 offers 5 inches, making Karbonn X21 the larger display of the two. Karbonn X21 features a IPS LCD display compared to Lava Z1's TFT, making Karbonn X21 the better display of the two.


Rear Camera: Karbonn X21 offers a higher rear camera resolution with 8 MP, while Lava Z1 offers 5 MP, making Karbonn X21 better for rear camera photography.


Front Camera: Both Lava Z1 and Karbonn X21 feature a 5 MP primary front camera.


Battery: Lava Z1 offers a higher battery capacity with 3100 mAh, while Karbonn X21 offers 3000 mAh, making Lava Z1 better for longer battery life.


Storage: Karbonn X21 offers higher internal storage with 32 GB, while Lava Z1 offers 16 GB, making Karbonn X21 the better option for storage.


User Rating: Karbonn X21 receives a higher user rating of 3.9, while Lava Z1 has a rating of 3.8.

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Lava Z1
₹6,249
(Out of Stock)
Karbonn X21
₹6,990
(Out of Stock)
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Summary

Spec Score

65%
N/A

Release Date

11 Jan, 2021
15 Jun, 2021

Performance

N/A
MediaTek Helio A20
Unisoc SC9863
Quad Core (upto 1.8 GHz)
Tru-Octa Core (upto 1.6 GHz)
2 GB RAM
2 GB RAM

Display

N/A
5.0 inches (12.7 cm)
5.45 inches (13.84 cm)
TFT
IPS LCD
480x854 px
720x1440 px (HD+)

Rear Camera

N/A
5 MP
Primary Camera
8 MP
Primary Camera

Front Camera

N/A
5 MP
5 MP

Battery

N/A
3100 mAh
3000 mAh
No Wireless Charging
No Wireless Charging

Storage

16 GB
32 GB

User Ratings

3.8/5
(829 ratings)
3.9/5
(2,885 ratings)

Video

Videos
1 Video
There are no videos available for the device.

User Feedback

General

Launch Date

Jan 11, 2021
(Official)
Jun 15, 2021
(Official)

Operating System

Android v10 (Q)
Android v10

Custom UI

Stock
Android Go

Performance

Performance Rating

Avg
N/A

Chipset

MediaTek Helio A20
Unisoc SC9863

Processor

Quad core, 1.8 GHz, Cortex A53
Octa core, 1.6 GHz, Cortex A55

Architecture (The higher, the better)

N/A
64 bit

Graphics (GPU)

PowerVR GE8300
PowerVR GE8322

RAM

2 GB
2 GB

RAM Type

LPDDR3
N/A

Display

Display Rating

Very Good
N/A

Display Type

TFT
IPS LCD

Screen Size

5.0 inches  (12.7 cm)
5.45 inches  (13.84 cm)

Resolution

480x854 px
720x1440 px (HD+)

Aspect Ratio

16:9
18:9

Pixel Density

196 ppi
295 ppi

Screen to Body Ratio (calculated)

64.65 %
72.38 %

Screen Protection

Corning Gorilla Glass v3
N/A

Bezel-less Display

N/A
Yes

Design

Height

145.1 mm
147.5 mm

Width

73.3 mm
71.8 mm

Thickness

10.2 mm
9.3 mm

Weight

N/A
160 grams

Rear Camera

Rear Camera Rating

Good
N/A

Resolution

5 MP
Primary Cameraf/2.21.12µm pixel size
8 MP
Primary Camera

Autofocus

Yes
N/A

OIS

N/A
No

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

2592 x 1944 Pixels
3264 x 2448 Pixels

Shooting Modes

N/A
Burst mode

Camera Features

Digital Zoom
Digital Zoom

Video Recording

HD @30 fps
N/A

Front Camera

Front Camera Rating

Good
N/A

Resolution

5 MP
f/2.2 Primary Camera1.12µm pixel size
5 MP
Primary Camera

Flash

Yes LED Flash
Yes LED Flash

Camera Features

Fixed Focus
N/A

Battery

Battery Rating

Very Good
N/A

Capacity

3100 mAh
3000 mAh

Battery Type

Li-Polymer
Li-ion

Storage

Internal Storage

16 GB
32 GB

Expandable Storage

Yes Up to 256 GB
Yes Up to 256 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G Not Supported 4G

VoLTE

Yes
Yes

SIM 1

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

SIM 2

4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

SAR Value

N/A
Head: 0.807 W/kg Body: 1.152 W/kg

Wi-Fi

Yes Wi-Fi 4 (802.11 b/g/n)
Yes Wi-Fi 4 (802.11 a/b/g/n)

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes
Yes v4.2

GPS

Yes with A-GPS Glonass
Yes with A-GPS

NFC

No
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Fingerprint Sensor

No
No

Other Sensors

Light sensor Proximity sensor Accelerometer
Light sensor Proximity sensor Accelerometer