Screen size
equal specsDallas2.4"
Rio II2.4"
Quick verdict
Dallas leads the measured specs 3-2.
Measured wins
Dallas
3
spec wins
Overall winner
Ties
5
equal specs
Rio II
2
spec wins
Screen size
equal specsTechnology
Dallas
GSM
Rio II
GSM / HSPA
2G bands
Dallas
GSM 900 / 1800
Rio II
GSM 900 / 1800 / 1900
GPRS
Dallas
Yes
Rio II
-
EDGE
Dallas
No
Rio II
-
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU 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
SD card
equal specsStereo speakers
3G bands
Dallas
-
Rio II
HSDPA 900 / 1900 / 2100
Speed
Dallas
-
Rio II
HSPA
Announced
Dallas
2011
Rio II
2011, Q2. Released 2011, Q2
Status
Dallas
Discontinued
Rio II
Discontinued
Dimensions
Dallas
109 x 46 x 12.4 mm (4.29 x 1.81 x 0.49 in)
Rio II
110 x 61 x 12.5 mm (4.33 x 2.40 x 0.49 in)
Weight
Dallas
80 g (2.82 oz)
Rio II
106 g (3.74 oz)
SIM
Dallas
Mini-SIM
Rio II
Mini-SIM
Other
Dallas
Flashlight
Rio II
-
Keyboard
Dallas
-
Rio II
QWERTY
Type
Dallas
TFT
Rio II
TFT resistive touchscreen, 256K colors
Size
Dallas
2.4 inches, 17.8 cm2 (~35.6% screen-to-body ratio)
Rio II
2.4 inches, 17.8 cm2 (~26.6% screen-to-body ratio)
Resolution
Dallas
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Rio II
320 x 240 pixels, 4:3 ratio (~167 ppi density)
Card slot
Dallas
microSDHC (dedicated slot)
Rio II
microSDHC (dedicated slot)
Phonebook
Dallas
300 entries
Rio II
Yes, Photocall
Call records
Dallas
Yes
Rio II
Yes
Internal
Dallas
1.4MB
Rio II
80MB
Single
Dallas
VGA
Rio II
3.15 MP
Video
Dallas
No
Rio II
Yes
Other
Dallas
No
Rio II
No
Loudspeaker
Dallas
Yes
Rio II
Yes
3.5mm jack
Dallas
-
Rio II
Yes
WLAN
Dallas
No
Rio II
No
Bluetooth
Dallas
2.0
Rio II
Yes
Positioning
Dallas
No
Rio II
No
Radio
Dallas
FM radio
Rio II
Stereo FM radio
USB
Dallas
microUSB
Rio II
miniUSB
Sensors
Dallas
Rio II
Accelerometer
Messaging
Dallas
SMS
Rio II
SMS(threaded view), MMS, Email, IM
Games
Dallas
No
Rio II
Yes
Java
Dallas
No
Rio II
Other
Dallas
MP3 player Organizer Predictive text input
Rio II
SNS applications MP4/H.263 player MP3/WAV/eAAC+ player Organizer Voice memo Predictive text input
Type
Dallas
Removable Li-Ion battery
Rio II
Removable Li-Ion battery
Stand-by
Dallas
Up to 240 h
Rio II
Up to 144 h
Talk time
Dallas
Up to 5 h
Rio II
Up to 4 h
Colors
Dallas
Black
Rio II
White