HTC HD2 vs Samsung Galaxy Ace 4

General Info

Manufacturer
HTC	Samsung
Announced
October 2009	June 2014
Status
Available - November 2009	Available - July 2014
Colors
Black	Iris Charcoal, Classic White
Form Factor
Candybar	Candybar
Dimension
120.5 x 67 x 11 mm (4.74 x 2.64 x 0.43 in)	121.4 x 62.9 x 10.8 mm (4.78 x 2.48 x 0.43 in)
Weight
157 g (5.54 oz)	123.8 g (4.34.0.28 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 900 / 2100 HSDPA 850 / 2100 - Australian Version	HSDPA 900 / 2100
Messaging
SMS, MMS, EMail, IM	SMS, MMS, Push Mail, EMail, IM

OS
Microsoft Windows Mobile 6.5 Professional	Android OS, v4.4.2 (KitKat)
Processor
1 GHz Scorpion, Qualcomm QSD8250 Snapdragon [Similar]	Dual-core 1.0 GHz [Similar]
GPU
Adreno 200 [Similar]	-
RAM
448 MB [Browse Similar]	512 MB [Browse Similar]
Internal Memory
N/A	4 GB
External Memory
microSD, up to 32 GB	microSD, up to 64 GB

Rear Camera
5 MP, 2592 x 1944 pixels [Similar]	5 MP, 2592 х 1944 pixels [Similar]
Flash
dual LED flash	LED flash
Features
Auto focus, Geo-tagging	Auto focus, Geo-tagging, Face And Smile Detection, Panorama
Video
Yes, VGA@30fps	Yes, 720p@30fps
Front Camera
No [Similar]	Yes, VGA [Similar]

GPRS
Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps	Yes
Edge
Class 12	Yes
3G
HSDPA, 7.2 Mbps; HSUPA, 2 Mbps	HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth
Yes, v2.1 with A2DP	Yes, v4.0 with A2DP
Wi-Fi
Wi-Fi 802.11 b/g, Wi-Fi router	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB
Yes, microUSB	Yes, microUSB v2.0
GPS
Yes, with A-GPS support; NaviPanel	Yes, with A-GPS support and GLONASS
Browser
WAP 2.0/xHTML, HTML	HTML5