Comparison of Acer DX900 and HP Pre 3 CDMA

Attribute	HP Pre 3 CDMA ×	Acer DX900 ×
General
Brand	Hp	Acer
Launch
Announced	2011-02-01	2009-02-01
Body
Width (mm)	16	17
Length (mm)	111	106
Height (mm)	64	60.5
Weight (g)	156	147
SIM	Mini-SIM	Dual SIM (Mini-SIM)
Network
Technology	CDMA EVDO GSM HSPA	GSM HSPA
2G bands	CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900
3G bands	CDMA2000 1xEV HSDPA 900 / 1900 / 2100	HSDPA 850 / 1900 / 2100
Speed	HSPA 7.2/5.76 Mbps / EV-DO Rev.A 3.1 Mbps	HSPA 7.2/0.384 Mbps
Platform
OS	HP webOS 2.2	Microsoft Windows Mobile 6.1 Professional
Chipset	Qualcomm MSM8655 Snapdragon S2	-
CPU	1.4 GHz Scorpion	533 MHz Samsung S3C 6410
GPU	Adreno 205	-
Memory
Card slot	No	microSD (dedicated slot)
Internal	16GB 512MB RAM 8GB 512MB RAM	128MB RAM 256MB ROM
Display
Size (in)	3.58	2.8
Resolution (px)	480 x 800	480 x 640
Display Type	TFT	TFT resistive touchscreen
Battery
Type	Removable	Removable
Capcity (mAh)	Li-Ion	Li-Po
Main Camera
Main Camera Type	Single	Single
Main Camera Properties	5 MP, AF	3.15 MP, AF
Main Camera Video	720p	Yes
Main Camera Features	LED flash	LED flash
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	VGA	VGA videocall camera
Comms
WLAN	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g
Bluetooth	2.1, A2DP, EDR	2.0, A2DP
GPS	+	+
Radio	No	No
USB	microUSB 2.0	miniUSB
Sound
Loudspeaker	+	+
3.5mm jack	+	-
Features
Sensors	Accelerometer compass proximity	Accelerometer
Misc
Colors	Black	Black
Keyboard	QWERTY	-
Browser	-	HTML
Stand-by (h)	300	150
Talk time (h)	Up to 5 h	Up to10 h