Blackberry Curve 8520 vs Xiaomi Redmi 9 Prime

Key Specs

Battery
Battery	1150 mAh	5020 mAh
Display
Display	2.4 inches (6.1 cm)	6.53 inches (16.59 cm)
Front Camera
Front Camera	-	8 MP
Processor
Processor	-	MediaTek Helio G80
RAM
RAM	128 MB	4 GB
Rear Camera
Rear Camera	2 MP	13 MP + 8 MP + 5 MP + 2 MP

Battery

Capacity
Capacity	1150 mAh	5020 mAh
Quick Charging
Quick Charging	-	Yes, Fast, 18W
Removable
Removable	-	No
Standby time
Standby Time	Up to 408 Hours(2G)	-
TalkTime
TalkTime	Up to 4.5 Hours(2G)	-
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	-	Yes

Camera

Camera Features
Camera Features	Digital Zoom	-
Camera Setup
Camera Setup	Single	-
Image Resolution
Image Resolution	1600 x 1200 Pixels	-
Resolution
Resolution	2 MP Primary Camera	-
Video Recording
Video Recording	320x240 fps	-

Design

Build Material
Build Material	-	Back: Plastic
Colours
Colours	Black	Space Blue, Mint Green, Sunrise Flare, Matte Black
Height
Height	109 mm	163.3 mm
Thickness
Thickness	13.90 mm	9.1 mm
Waterproof
Waterproof	-	Yes, Splash proof
Weight
Weight	106 grams	198 grams Below
Width
Width	60 mm	77 mm

Display

Aspect Ratio
Aspect Ratio	-	19.5:9
Bezel-less display
Bezel-less display	-	Yes with waterdrop notch
Brightness
Brightness	-	400 nits
Display Colour
Display Colour	65K	-
Display Type
Display Type	TFT	IPS LCD
Pixel Density
Pixel Density	167 ppi	395 ppi
Refresh Rate
Refresh Rate	-	60 Hz
Resolution
Resolution	240x320 px	1080x2340 px (FHD+)
Screen Protection
Screen Protection	-	Corning Gorilla Glass v3
Screen Size
Screen Size	2.4 inches (6.1 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	27.29 %	83.06 %
Touch Screen
Touch Screen	-	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Camera Setup
Camera Setup	-	Single
Resolution
Resolution	-	8 MP f/2.0, Wide Angle, Primary Camera(27 mm focal length, 4.0" sensor size, 1.12µm pixel size)

General

Brand
Brand	Blackberry	Xiaomi
Custom UI
Custom UI	-	MIUI
Launch Date
Launch Date	August 3, 2009 (Official)	August 6, 2020 (Official)
Operating System
Operating System	Blackberry v5.0.x	Android v10 (Q)

Main Camera

Autofocus
Autofocus	-	Yes, Phase Detection autofocus
Camera Features
Camera Features	-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	-	Quad
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	-	4128 x 3096 Pixels
Resolution
Resolution	-	13 MP f/2.2, Wide Angle, Primary Camera(28 mm focal length, 3.1" sensor size, 1.12µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)5 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	1920x1080 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	No	Yes
Loudspeaker
Loudspeaker	Yes	Yes
Music
Music	Yes, Music Formats: MP3	-
Ring Tone
Ring Tone	Music ringtones, Vibration	-
Video Player
Video Player	Yes, Video Formats: H.263, H.264, MPEG4, WMV	-
Video player
Video player	Yes, Video Formats: H.263, H.264, MPEG4, WMV	-

Network & Connectivity

Bluetooth
Bluetooth	Yes, v2	Yes, v5.0
GPS
GPS	-	Yes with A-GPS, Glonass
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	-	Head: 0.854 W/kg, Body: 0.417 W/kg
SIM 1
SIM 1	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Class 10, 32 - 48 kbps EDGE: Class 10, 236.8 kbps	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
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) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	SIM1: Mini	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Single SIM, GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB	Mass storage device, USB charging
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 3 (802.11 b/g)	Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Wi-Fi Calling
Wi-Fi Calling	-	Yes
Wi-Fi Features
Wi-Fi Features	-	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
Architecture	-	64 bit
CPU
CPU	512 MHz	Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
Chipset	-	MediaTek Helio G80
Fabrication
Fabrication	-	12 nm
Graphics
Graphics	-	Mali-G52
RAM type
RAM Type	-	LPDDR4X

Sensors

Browser
Browser	Yes, HTML	-
Email
Email	Yes	-
Fingerprint Sensor
Fingerprint Sensor	-	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	-	Rear
Instant Messaging
Instant Messaging	Yes	-
Java
Java	Yes	-
MMS
MMS	Yes	-
Other Facilities
Other Facilities	Calculator, World clock, Calendar, Alarm	-
Other Sensors
Other Sensors	-	Light sensor, Proximity sensor, Accelerometer, Compass
Phone Book
Phone Book	Yes, Limited	-
SMS
SMS	Yes, Threaded View	-

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 512 GB
Internal Memory
Internal Memory	256 MB	64 GB
Storage Type
Storage Type	-	eMMC 5.1
USB OTG
USB OTG	-	Yes