Blackberry Curve 8520 vs UBEST X720

Comparing the Blackberry Curve 8520 vs UBEST X720 across camera and battery to help determine the better smartphone.

Here is the summary of the results:

Rear Camera: Blackberry Curve 8520 offers a higher rear camera resolution with 2 MP, while UBEST X720 offers 0.3 MP, making Blackberry Curve 8520 better for rear camera photography.

Battery: UBEST X720 offers a higher battery capacity with 2000 mAh, while Blackberry Curve 8520 offers 1150 mAh, making UBEST X720 better for longer battery life.

Blackberry Curve 8520

₹10,900

(Discontinued)

UBEST X720

(Discontinued)

Summary

Release Date

03 Aug, 2009

08 May, 2011

20 Aug, 2026

Performance

N/A	N/A
N/A	N/A	Snapdragon 6s Gen 4
(upto 512 MHz)	N/A	Octa Core (upto 2.4 GHz)
128 MB RAM	N/A	6 GB RAM

Display

N/A	N/A
2.4 inches (6.1 cm)	N/A	6.72 inches (17.07 cm)
TFT	LCD	LCD
320x240 px	N/A	1080x2400 px (FHD+)
N/A	N/A	120 Hz Refresh Rate

Rear Camera

N/A	N/A
2 MP Primary Camera	0.3 MP Primary Camera	50 MP Primary Camera, Sony LYTIA 600 sensor
N/A	N/A	8 MP Ultra-Wide Angle Camera

Front Camera

N/A	N/A
N/A	N/A	32 MP

Battery

N/A	N/A
1150 mAh	2000 mAh	7000 mAh
N/A	N/A	30W Turbo Charging
N/A	N/A	No Wireless Charging

Storage

256 MB	N/A	128 GB
N/A	N/A	UFS 3.1

User Ratings

4/5

(417 ratings)

N/A

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User Feedback

General

Launch Date

N/A

Aug 14, 2026

(Official)

Operating System

Blackberry v5.0.x

N/A

Android v16

OS Updates

N/A

2 Year

Security Updates

N/A

3 Year

Custom UI

N/A

Hello UI

Performance

Performance Rating

N/A

Very Good

Chipset

N/A

Qualcomm Snapdragon 6s Gen 4

View Details

Processor

512 MHz

N/A

Octa core

2.4 GHz, Quad core, Cortex A78 1.8 GHz, Quad core, Cortex A55

Architecture (The higher, the better)

N/A

64 bit

Fabrication (The lower, the better)

N/A

4 nm

Graphics (GPU)

N/A

Adreno 710

RAM

128 MB

N/A

6 GB

RAM Type

N/A

LPDDR5X

Display

Display Rating

N/A

Excellent

Display Type

TFT

LCD

Screen Size

2.4 inches (6.1 cm)

N/A

6.72 inches (17.07 cm)

Resolution

320x240 px

N/A

1080x2400 px (FHD+)

Peak Brightness

N/A

1050 nits

HBM Brightness

N/A

1050 nits

Refresh Rate

N/A

120 Hz

Aspect Ratio

N/A

20:9

Pixel Density

167 ppi

N/A

391 ppi

Screen to Body Ratio (calculated)

27.29 %

N/A

85.74 %

Screen Protection

N/A

Corning Gorilla Glass Glass 7i

Bezel-less Display

N/A

Yes with punch-hole display

Screen to Body Ratio (claimed by the brand)

N/A

90.53 %

Display Colour

65K

N/A

Design

Height

109 mm

N/A

166.23 mm

Width

60 mm

N/A

76.50 mm

Thickness

13.90 mm

N/A

8.60 mm

Weight

106 grams

N/A

213 grams

Build Material

N/A

Back: Polycarbonate Satin Finish

Water Resistance

N/A

Yes Splash proof IP64

Ruggedness

N/A

Dust proof

Rear Camera

Rear Camera Rating

N/A

Very Good

Resolution

2 MP
Primary Camera

0.3 MP
Primary Camera

50 MP
Primary Camera8x Digital Zoomf/1.81/1.95" sensor size LYT 600 0.8µm pixel size

N/A

8 MP
f/2.2 Ultra-Wide Angle Camera1.12µm pixel size

Autofocus

N/A

Yes Phase Detection Autofocus

Flash

N/A

Yes

Yes LED Flash

Image Resolution

1600 x 1200 Pixels

N/A

Shooting Modes

N/A

Continuous Shooting

Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

Digital Zoom

Digital Zoom
Smile detection

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

320x240 fps

N/A

2k @30 fps
Full HD @30/60 fps
HD @120 fps

Video Recording Features

N/A

Dual Video Recording
Slow Motion
Audio Zoom

Front Camera

Front Camera Rating

N/A

Very Good

Resolution

N/A

32 MP
f/2.2 Primary Camera0.7µm pixel size

Autofocus

N/A

Yes

Flash

N/A

Yes Screen flash

Camera Features

N/A

Fixed Focus

Video Recording

N/A

2k @30 fps
Full HD @30/60 fps
HD @120 fps

Battery

Battery Rating

N/A

Very Good

Capacity

1150 mAh

2000 mAh

7000 mAh

Battery Type

Li-ion

N/A

TalkTime

Up to 4.5 Hours(2G)

N/A

Quick Charging

N/A

Yes 30W Turbo Charging

Storage

Internal Storage

256 MB

N/A

128 GB

Storage Type

N/A

UFS 3.1

Expandable Storage

Yes Up to 32 GB

Yes

Network & Connectivity

SIM Slot(s)

Single SIM

Four SIM

Dual SIM

SIM Type

SIM1: Mini

N/A

SIM1: Nano SIM2: Nano

Network Support

5G Not Supported

5G 4G

VoLTE

N/A

Yes

SIM 1

N/A

5G Bands:

FDD N1 / N2 / N3 / N5 / N8 / N28
TDD N38 / N40 / N41 / N77 / N78

N/A

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5)

SIM 2

N/A

5G Bands:

FDD N1 / N2 / N3 / N5 / N8 / N28
TDD N38 / N40 / N41 / N77 / N78

N/A

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5)

Wi-Fi

Yes Wi-Fi 3 (802.11 b/g)

Yes Wi-Fi 5 (802.11 a/b/g/n/ac) MIMO

Wi-Fi Features

N/A

Mobile Hotspot

Bluetooth

Yes v2

Yes v5.1

GPS

N/A

Yes with A-GPS Glonass

NFC

N/A

Multimedia

Stereo Speakers

N/A

Yes

Audio Jack

3.5 mm

N/A

3.5 mm

Audio Features

N/A

Dolby Atmos

Video Player

Yes Video Formats: H.263 H.264 MPEG4 WMV

N/A

Ring Tone

Music ringtones Vibration

N/A

Music

Yes Music Formats: MP3

Yes Music Formats: Yes High Quality MP3 Player

N/A

Sensors

Fingerprint Sensor

N/A

Yes

Fingerprint Sensor Position

N/A

Side

Fingerprint Sensor Type

N/A

Optical

Other Sensors

N/A

Light sensor Proximity sensor Accelerometer Compass Gyroscope

Games

+ Downloadable

N/A

Java

Yes

N/A

Browser

Yes HTML

Yes

N/A

Phone Book

Yes Practically Unlimited Entries and Fields Photocall Limited

Yes 1000 Entries

N/A

SMS

Yes Threaded View

Yes SMS Storage 500

N/A

MMS

Yes

N/A

Email

Yes

N/A

Instant Messaging

Yes

N/A

Other Facilities

Organizer Voice memo/dial Predictive text input

N/A

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