Comparison of Nokia E51 and Nokia E51 camera-free

Attribute	Nokia E51 ×	Nokia E51 camera-free ×
General
Brand	Nokia	Nokia
Launch
Announced	2007-09-01	2008-02-01
Body
Width (mm)	12	12
Length (mm)	114.8	114.8
Height (mm)	46	46
Weight (g)	100	100
SIM	Mini-SIM	Mini-SIM
Network
Technology	GSM HSPA	GSM HSPA
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 2100	HSDPA 850 / 2100
Speed	HSPA 3.6/0.384 Mbps	HSPA 3.6/0.384 Mbps
Platform
OS	Symbian OS 9.2	Symbian OS 9.2
CPU	369 MHz ARM 11	369 MHz ARM 11
Memory
Card slot	microSDHC (dedicated slot)	microSDHC (dedicated slot)
Internal	130MB 96MB RAM	130MB 96MB RAM
Display
Size (in)	2	2
Resolution (px)	240 x 320	240 x 320
Display Type	TFT	TFT
Battery
Type	Removable	Removable
Capcity (mAh)	Li-Ion	Li-Ion
Main Camera
Main Camera Type	Single	-
Main Camera Properties	2 MP	-
Main Camera Video	320p@15fps	-
Comms
WLAN	Wi-Fi 802.11b/g, VoIP over WLAN	Wi-Fi 802.11b/g, VoIP over WLAN
Bluetooth	2.0, A2DP	2.0, A2DP
GPS	-	-
Radio	FM radio	FM radio
USB	miniUSB 2.0	miniUSB 2.0
Sound
Loudspeaker	+	+
3.5mm jack	-	-
Misc
Colors	Black Silver	Black Silver
SAR EU Head (W/kg)	1.47	1.38
SAR Head (W/kg)	1.38	1.47
SAR Body (W/kg)	0.75	0.75
Alert types	Vibration; Downloadable polyphonic, MP3 ringtones	Vibration; Downloadable polyphonic, MP3 ringtones
Infrared port	Yes	Yes
Features
Browser	WAP 2.0/xHTML, HTML	WAP 2.0/xHTML, HTML
Stand-by (h)	310	310
Talk time (h)	Up to 4 h 20 min	Up to 4 h 20 min