Form Factor
Body
Slider, Querty Keyboard, Touchscreen	Slider, Querty Keyboard, Touchscreen
Dimensions
106 x 57 x 15 mm (4.17 x 2.24 x 0.59 in)	122 x 63.5 x 15.2 mm (4.80 x 2.5 x 0.60 in)
Weight
140 g (4.94 oz)	192.8 g (6.77 oz)
Colors
Black, white	Black

Type
Display
TFT resistive touchscreen, 65K colors	AMOLED
Size
2.8 inches, 24.3 cm² (~40.2% screen-to-body ratio)	4.1 inches, 47.8 cm² (~61.8% screen-to-body ratio)
Resolution
240 x 320 pixels, 4:3 ratio (~143 ppi density)	480 x 800 pixels, 5:3 ratio (~228 ppi density)
Multitouch
	Yes
Protection
	Corning Gorilla Glass

Alert Types
Notifications
Vibration, Polyphonic, MP3 ringtones	Vibration, MP3, WAV ringtones

Internal Memory
Memory
	8GB ROM, 512MB RAM 16GB ROM, 512MB RAM
Card Slot
microSDHC (dedicated slot)	microSDHC (dedicated slot) not user accessible
Phonebook
1000 entries
Call Records
Yes

Operating System (OS)
Software
Proprietary OS	Microsoft Windows Phone 7
Java
Yes
Browser
WAP 2.0/xHTML	HTML
Messaging
SMS, MMS	SMS(threaded view), MMS, Email, Push Email, IM
Games
Downloadable

Chipset
Hardware
	Qualcomm QSD8250 Snapdragon S1
CPU
	1.0 GHz Scorpion
GPU
	Adreno 200
Sensors
	Accelerometer, proximity, compass
Keyboard
QWERTY	QWERTY
Soft Keys
2
SIM
Dual SIM (Mini-SIM, dual stand-by)	Mini-SIM
Speakers
Yes	Yes
Navigation / Controls Keys
D-Pad
Audio Jack
3.5 mm	3.5 mm

Features
Additional Features
Audio/video player Photo viewer Organizer	Document viewer/editor Voice memo Predictive text input

Micromax X78

Dell Venue Pro