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Sony Ericsson Xperia X1

Nokia N97

Network
Technology	GSM / HSPA	GSM / HSPA
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network	HSDPA 900 / 1900 / 2100	HSDPA 900 / 1900 / 2100
	HSDPA 850 / 1900 / 2100 - XPERIA X1a	HSDPA 850 / 1900 / 2100 - American version
Speed	HSPA 7.2/2 Mbps	HSPA 3.6/0.384 Mbps

Launch
Announced	2008, February. Released 2008, October	2008, November. Released 2009, June
Status	Discontinued	Discontinued

Body
Dimensions	110.5 x 52.6 x 17 mm (4.35 x 2.07 x 0.67 in)	117.2 x 55.3 x 15.9 mm, 88 cc (4.61 x 2.18 x 0.63 in)
Weight	145 g (5.11 oz)	150 g (5.29 oz)
Keyboard	QWERTY	QWERTY
SIM	Mini-SIM	Mini-SIM
	Optical trackpad

Display
Type	TFT resistive touchscreen, 65K colors	TFT resistive touchscreen, 16M colors
Size	3.0 inches, 25.6 cm2 (~44.1% screen-to-body ratio)	3.5 inches, 33.8 cm2 (~52.1% screen-to-body ratio)
Resolution	480 x 800 pixels, 5:3 ratio (~311 ppi density)	360 x 640 pixels, 16:9 ratio (~210 ppi density)
		Handwriting recognition

Platform
OS	Microsoft Windows Mobile 6.1 Professional	Symbian 9.4, Series 60 rel. 5
Chipset	Qualcomm MSM7200
CPU	528 MHz ARM 11	434 MHz ARM 11

Memory
Card slot	microSD (dedicated slot)	microSDHC (dedicated slot)
Internal	256MB RAM, 512MB ROM	32GB 128MB RAM

Main Camera
Modules	3.15 MP, AF	5 MP, AF
Features	LED flash	Carl Zeiss optics, LED flash, video light
Video	480p@30fps	480p@30fps

Selfie Camera
Modules	Videocall camera
Video		VGA@15fps

Sound
Loudspeaker	Yes	Yes, with stereo speakers
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11b/g	Wi-Fi 802.11 b/g, UPnP technology
Bluetooth	2.0, A2DP	2.0, A2DP
Positioning	GPS, A-GPS	GPS, A-GPS; Nokia Maps
Infrared port	No	No
Radio	Stereo FM radio, RDS	Stereo FM radio, RDS; FM transmitter
USB	miniUSB 2.0	microUSB 2.0

Features
Sensors		Accelerometer, proximity, compass
	MP3/AAC/MP4 player Pocket Office Photo editor Organizer Predictive text input Voice memo/dial

Battery
Type	Removable Li-Po 1500 mAh battery (BST-41)	Removable Li-Po 1500 mAh battery (BP-4L)
Stand-by	Up to 833 h (2G) / Up to 640 h (3G)	Up to 432 h (2G) / 408 h (3G)
Talk time	Up to 10 h (2G) / Up to 6 h (3G)	Up to 9 h 30 min (2G) / Up to 6 h (3G)
Music play		Up to 40 h

Misc
Colors	Solid Black, Steel Silver	White, Black
SAR		0.90 W/kg (head)     1.25 W/kg (body)
SAR EU	0.57 W/kg (head)	0.67 W/kg (head)
Price	About 220 EUR	About 140 EUR

Tests
Loudspeaker	Voice 75dB / Noise 66dB / Ring 82dB	Voice 72dB / Noise 67dB / Ring 75dB
Audio quality	Noise -93.2dB / Crosstalk -96.3dB	Noise -90.7dB / Crosstalk -89.5dB