Screen size
9720Winner: 2.8"+11%
Curve 83102.5"
Quick verdict
9720 leads the measured specs 8-1.
Measured wins
9720
8
spec wins
Overall winner
Ties
4
equal specs
Curve 8310
1
spec wins
Screen size
Technology
9720
GSM / HSPA
Curve 8310
GSM
2G bands
9720
GSM 850 / 900 / 1800 / 1900
Curve 8310
GSM 850 / 900 / 1800 / 1900
3G bands
9720
HSDPA 850 / 900 / 1900 / 2100
Curve 8310
-
Speed
9720
HSPA 7.2/5.76 Mbps
Curve 8310
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
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
GPRS
9720
-
Curve 8310
Class 10
EDGE
9720
-
Curve 8310
Class 10
Announced
9720
2013, August. Released 2013, August
Curve 8310
2007, August
Status
9720
Discontinued
Curve 8310
Discontinued
Dimensions
9720
114 x 66 x 12 mm (4.49 x 2.60 x 0.47 in)
Curve 8310
107 x 60 x 15.5 mm (4.21 x 2.36 x 0.61 in)
Weight
9720
120 g (4.23 oz)
Curve 8310
111 g (3.92 oz)
Keyboard
9720
QWERTY
Curve 8310
QWERTY
SIM
9720
Mini-SIM
Curve 8310
Mini-SIM
Other
9720
Optical trackpad
Curve 8310
Trackball
Type
9720
IPS LCD
Curve 8310
65K colors
Size
9720
2.8 inches, 24.3 cm2 (~32.3% screen-to-body ratio)
Curve 8310
2.5 inches, 19.4 cm2 (~30.1% screen-to-body ratio)
Resolution
9720
480 x 360 pixels, 4:3 ratio (~214 ppi density)
Curve 8310
320 x 240 pixels, 4:3 ratio (~160 ppi density)
OS
9720
BlackBerry OS 7.1
Curve 8310
BlackBerry OS
CPU
9720
806 MHz Tavor MG1
Curve 8310
32-bit Intel XScale PXA272 312 MHz
Card slot
9720
microSDHC (dedicated slot)
Curve 8310
microSDHC (dedicated slot)
Internal
9720
512MB ROM, 512MB RAM
Curve 8310
64MB ROM
Single
9720
5 MP
Curve 8310
2 MP
Features
9720
LED flash
Curve 8310
LED flash
Video
9720
480p@30fps
Curve 8310
No
Other
9720
No
Curve 8310
No
Loudspeaker
9720
Yes
Curve 8310
Yes
3.5mm jack
9720
Yes
Curve 8310
Yes
Alert types
9720
-
Curve 8310
Vibration; MP3, WAV ringtones
WLAN
9720
Wi-Fi 802.11 b/g/n, hotspot
Curve 8310
No
Bluetooth
9720
2.1, A2DP, EDR
Curve 8310
2.0, A2DP
Positioning
9720
GPS
Curve 8310
GPS
NFC
9720
No
Curve 8310
-
Radio
9720
Stereo FM radio, RDS
Curve 8310
No
USB
9720
microUSB 2.0
Curve 8310
miniUSB 2.0
Sensors
9720
Accelerometer, proximity
Curve 8310
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 8310
BlackBerry maps Document editor (Word, Excel, PowerPoint, PDF) MP4/WMV/H.264 player MP3/WAV/eAAC+/WMA player Organizer Voice memo/dial
Browser
9720
-
Curve 8310
HTML
Type
9720
Li-Ion 1450 mAh, removable
Curve 8310
Removable Li-Ion 1100 mAh battery
Stand-by
9720
Up to 432 h
Curve 8310
Up to 408 h
Talk time
9720
Up to 7 h
Curve 8310
Up to 4 h
Music play
9720
Up to 30 h
Curve 8310
-
Colors
9720
Black, White, Purple, Blue, Pure Pink
Curve 8310
Silver
SAR EU
9720
1.10 W/kg (head)
Curve 8310
0.59 W/kg (head) 0.63 W/kg (body)
Price
9720
About 130 EUR
Curve 8310
About 130 EUR
SAR
9720
-
Curve 8310
1.09 W/kg (head) 1.11 W/kg (body)