Form Factor
Body
Side-Slider, Querty Keyboard, Touchscreen	Side-Slider, Querty Keyboard, Touchscreen
Dimensions
124 x 65 x 14 mm (4.88 x 2.56 x 0.55 in)	114 x 59 x 15 mm (4.49 x 2.32 x 0.59 in)
Weight
155 g (5.47 oz)	130 g (4.59 oz)
Build
	Optical trackpad
Colors
Black	Blue

Type
Display
Super AMOLED TouchWiz 3.0 UI	TFT, 256K colors
Size
4.0 inches, 45.5 cm² (~56.5% screen-to-body ratio)	3.2 inches, 30.5 cm² (~45.3% screen-to-body ratio)
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)	320 x 480 pixels, 3:2 ratio (~180 ppi density)
Multitouch
Yes
Protection
Corning Gorilla Glass

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

Internal Memory
Memory
512MB ROM, 512MB RAM
Card Slot
microSDHC (dedicated slot)	microSDHC (dedicated slot), 4 GB included

GPRS
Connectivity
Class 10
EDGE
Class 10
Speed
HSPA, EV-DO Rev. A 3.1 Mbps	EV-DO Rev.0, 153.2 Kbps
WLAN
Wi-Fi 802.11 b/g/n, WiMAX, hotspot (Android 2.2)	Wi-Fi 802.11 b/g, hotspot (Android 2.2)
Bluetooth
2.1, A2DP	2.1, A2DP
USB
microUSB 2.0	microUSB 2.0
GPS
Yes, with A-GPS	Yes, with A-GPS

Operating System (OS)
Software
Android OS, v2.1 (Eclair)	Android OS, v2.1 (Eclair)
Upgradable
upgradable to v2.2 (Froyo)	upgradable to v2.2 (Froyo)
Java
Yes, via Java MIDP emulator	Yes, via Java MIDP emulator
Browser
HTML, Adobe Flash Lite	HTML
Messaging
SMS(threaded view), MMS, Email, Push Email, IM	SMS(threaded view), MMS, Email, Push Email, IM

Chipset
Hardware
Hummingbird
CPU
1.0 GHz Cortex-A8
GPU
PowerVR SGX540
Sensors
Accelerometer, proximity, compass	Accelerometer
Keyboard
QWERTY	QWERTY
Soft Keys
	2
SIM
Mini-SIM	Mini-SIM
Speakers
Yes	Yes
Navigation / Controls Keys
	D-Pad
Audio Jack
3.5 mm	No

Features
Additional Features
Mobile TV Photo/video editor Document editor Voice memo/dial/commands Predictive text input (Swype)	Document viewer Voice memo Predictive text input

SAR US
Misc
0.68 W/kg (head) 0.99 W/kg (body)	0.29 W/kg (head) 0.98 W/kg (body)

Samsung Epic 4G

Samsung Acclaim