Screen size
9720Winner: 2.8"+12%
Curve 85202.5"
Quick verdict
9720 leads the measured specs 9-1.
Measured wins
9720
9
spec wins
Overall winner
Ties
3
equal specs
Curve 8520
1
spec wins
Screen size
Technology
9720
GSM / HSPA
Curve 8520
GSM
2G bands
9720
GSM 850 / 900 / 1800 / 1900
Curve 8520
GSM 850 / 900 / 1800 / 1900
3G bands
9720
HSDPA 850 / 900 / 1900 / 2100
Curve 8520
-
Speed
9720
HSPA 7.2/5.76 Mbps
Curve 8520
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
GPRS
9720
-
Curve 8520
Class 10
EDGE
9720
-
Curve 8520
Class 10
Announced
9720
2013, August. Released 2013, August
Curve 8520
2009, July. Released 2009, August
Status
9720
Discontinued
Curve 8520
Discontinued
Dimensions
9720
114 x 66 x 12 mm (4.49 x 2.60 x 0.47 in)
Curve 8520
109 x 60 x 13.9 mm (4.29 x 2.36 x 0.55 in)
Weight
9720
120 g (4.23 oz)
Curve 8520
106 g (3.74 oz)
Keyboard
9720
QWERTY
Curve 8520
QWERTY
SIM
9720
Mini-SIM
Curve 8520
Mini-SIM
Other
9720
Optical trackpad
Curve 8520
Optical trackpad
Type
9720
IPS LCD
Curve 8520
TFT, 65K colors
Size
9720
2.8 inches, 24.3 cm2 (~32.3% screen-to-body ratio)
Curve 8520
2.46 inches, 18.7 cm2 (~28.7% screen-to-body ratio)
Resolution
9720
480 x 360 pixels, 4:3 ratio (~214 ppi density)
Curve 8520
320 x 240 pixels, 4:3 ratio (~163 ppi density)
OS
9720
BlackBerry OS 7.1
Curve 8520
BlackBerry OS 5.0
CPU
9720
806 MHz Tavor MG1
Curve 8520
512 MHz
Card slot
9720
microSDHC (dedicated slot)
Curve 8520
microSDHC (dedicated slot)
Internal
9720
512MB ROM, 512MB RAM
Curve 8520
256MB
Single
9720
5 MP
Curve 8520
2 MP
Features
9720
LED flash
Curve 8520
-
Video
9720
480p@30fps
Curve 8520
320p
Other
9720
No
Curve 8520
No
Loudspeaker
9720
Yes
Curve 8520
Yes
3.5mm jack
9720
Yes
Curve 8520
Yes
Other
9720
-
Curve 8520
Dedicated music keys
WLAN
9720
Wi-Fi 802.11 b/g/n, hotspot
Curve 8520
Wi-Fi 802.11b/g
Bluetooth
9720
2.1, A2DP, EDR
Curve 8520
2.0, A2DP
Positioning
9720
GPS
Curve 8520
No
NFC
9720
No
Curve 8520
-
Radio
9720
Stereo FM radio, RDS
Curve 8520
No
USB
9720
microUSB 2.0
Curve 8520
microUSB
Sensors
9720
Accelerometer, proximity
Curve 8520
Other
9720
BBM key MP3/eAAC+/WMA/WAV/Flac player MP4/H.264/WMV player Organizer Document viewer Voice memo/dial Predictive text input
Curve 8520
MP3/eAAC+/WMA/WAV player MP4/H.264/WMV player Organizer Voice memo/dial Predictive text input
Browser
9720
-
Curve 8520
HTML
Type
9720
Li-Ion 1450 mAh, removable
Curve 8520
Removable Li-Ion 1150 mAh battery
Stand-by
9720
Up to 432 h
Curve 8520
Up to 408 h
Talk time
9720
Up to 7 h
Curve 8520
Up to 4 h 30 min
Music play
9720
Up to 30 h
Curve 8520
-
Colors
9720
Black, White, Purple, Blue, Pure Pink
Curve 8520
Black
SAR EU
9720
1.10 W/kg (head)
Curve 8520
1.02 W/kg (head) 0.78 W/kg (body)
Price
9720
About 130 EUR
Curve 8520
About 70 EUR
SAR
9720
-
Curve 8520
1.22 W/kg (head) 0.83 W/kg (body)