Home › Phones ›

Compare Phones

Maximum number of phones selected. Remove a phone to compare others.

Info Size

Specifications
	X >	< X >	< X >	< X >	< X

Phone	Samsung SGH-X640	Nokia Lumia 521 / 520	Samsung Ace SPH-i325	Samsung SGH-X820	Samsung Galaxy S6 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	2.3" diag. 4 : 3	?	5.1" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 240 pixels (~174 ppi) LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	1440 x 2560 pixels (~576 ppi) AMOLED
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	1,430 mAh	1,300 mAh	650 mAh	2,550 mAh
Processor	?	1 GHz Qualcomm Snapdragon S4 MSM8270	416 MHz PXA270	?	2.1 GHz Samsung Exynos
RAM	?	512 MB	?	?	3 GB
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	32 GB *
Main Camera	Yes	5 megapixel	1 megapixel	2 megapixel	16 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	QVGA (320 x 240)	?	4K UHD
Front Camera	-	-	-	-	5 megapixel
Weight	3 oz (85g)	4.39 oz (124g)	3.9 oz (111g)	2.33 oz (66g)	4.87 oz (138g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.65" x 2.32" x 0.46" (118 x 59 x 11.7 mm)	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Windows	Windows Mobile Standard	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 GSM: 900, 1800	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	HSPA+ 21	EVDO r0	EDGE	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	n/a	-	n/a
VR-ready	-	-	-	-	Yes
Accessibility
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
MirrorLink	-	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	-	Yes	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	-	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	-	n/a
External Antenna Jack	-	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	-	n/a	n/a	Yes	n/a
EMS / Picture Messaging	Yes	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	n/a	-	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Miracast	-	-	-	-	Yes
TV Output	-	-	-	Yes	Yes
Power
Wireless Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Nokia Lumia 521 / 520	Samsung Ace SPH-i325	Samsung SGH-X820	Samsung Galaxy S6 (CDMA)
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SGH-X640	Nokia Lumia 521 / 520	Samsung Ace SPH-i325	Samsung SGH-X820	Samsung Galaxy S6 (CDMA)