Screen size
equal specsPrism II3.5"
Sidekick 4G3.5"
Quick verdict
Prism II leads the measured specs 6-2.
Measured wins
Prism II
6
spec wins
Overall winner
Ties
7
equal specs
Sidekick 4G
2
spec wins
Screen size
equal specsTechnology
Prism II
GSM / HSPA
Sidekick 4G
GSM / HSPA
2G bands
Prism II
GSM 850 / 900 / 1800 / 1900
Sidekick 4G
GSM 850 / 900 / 1800 / 1900
3G bands
Prism II
HSDPA 850 / 1700 / 1900 / 2100
Sidekick 4G
HSDPA 1700 / 2100 , HSDPA 2100
Speed
Prism II
HSPA
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
equal specsFront 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
Sidekick 4G
HSPA 7.2/5.76 Mbps
Announced
Prism II
2013, June. Released 2013, June
Sidekick 4G
2011, March. Released 2011, April 20
Status
Prism II
Discontinued
Sidekick 4G
Discontinued
Dimensions
Prism II
117 x 62 x 12.4 mm (4.61 x 2.44 x 0.49 in)
Sidekick 4G
127 x 61 x 15 mm (5.0 x 2.40 x 0.59 in)
Weight
Prism II
100 g (3.53 oz)
Sidekick 4G
162 g (5.71 oz)
SIM
Prism II
Mini-SIM
Sidekick 4G
Mini-SIM
Keyboard
Prism II
-
Sidekick 4G
QWERTY
Other
Prism II
-
Sidekick 4G
Optical trackpad
Type
Prism II
TFT
Sidekick 4G
TFT
Size
Prism II
3.5 inches, 36.5 cm2 (~50.3% screen-to-body ratio)
Sidekick 4G
3.5 inches, 34.9 cm2 (~45.0% screen-to-body ratio)
Resolution
Prism II
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Sidekick 4G
480 x 800 pixels, 5:3 ratio (~267 ppi density)
OS
Prism II
Android 4.1 (Jelly Bean)
Sidekick 4G
Android 2.2 (Froyo)
CPU
Prism II
1.0 GHz Cortex-A5
Sidekick 4G
1.0 GHz Cortex-A8
Chipset
Prism II
-
Sidekick 4G
Hummingbird
GPU
Prism II
-
Sidekick 4G
PowerVR SGX540
Card slot
Prism II
microSDHC (dedicated slot)
Sidekick 4G
microSDHC (dedicated slot), 2 GB included
Internal
Prism II
4GB 512MB RAM
Sidekick 4G
1GB 512MB RAM
Single
Prism II
3.15 MP
Sidekick 4G
3.15 MP, AF
Video
Prism II
Yes
Sidekick 4G
480p@30fps
Other
Prism II
No
Sidekick 4G
-
Single
Prism II
-
Sidekick 4G
VGA
Video
Prism II
-
Sidekick 4G
Loudspeaker
Prism II
Yes
Sidekick 4G
Yes
3.5mm jack
Prism II
Yes
Sidekick 4G
Yes
WLAN
Prism II
Wi-Fi 802.11 b/g/n, hotspot
Sidekick 4G
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
Prism II
4.0, A2DP
Sidekick 4G
3.0, A2DP
Positioning
Prism II
GPS
Sidekick 4G
GPS, A-GPS
NFC
Prism II
No
Sidekick 4G
-
Radio
Prism II
FM radio
Sidekick 4G
Nо
USB
Prism II
microUSB 2.0
Sidekick 4G
microUSB 2.0
Sensors
Prism II
Accelerometer
Sidekick 4G
Accelerometer, proximity
Browser
Prism II
-
Sidekick 4G
HTML, Adobe Flash
Other
Prism II
-
Sidekick 4G
T-Mobile TV MP4/H.264 player MP3/WAV/eAAC+ player Organizer ThinkFree Office document editor , PDF viewer Voice memo Predictive text input
Type
Prism II
Li-Ion 1750 mAh, removable
Sidekick 4G
Removable Li-Ion 1500 mAh battery
Stand-by
Prism II
Up to 260 h
Sidekick 4G
Up to 456 h
Talk time
Prism II
Up to 8 h
Sidekick 4G
Up to 6 h 30 min
Colors
Prism II
Black
Sidekick 4G
Matte black, Pearl magenta
Price
Prism II
About 90 EUR
Sidekick 4G
About 310 EUR
SAR
Prism II
-
Sidekick 4G
0.34 W/kg (head) 0.96 W/kg (body)