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Phone Samsung Galaxy S21 Samsung SCH-A990 LG Optimus G (CDMA) HP iPAQ hw6510 / hw6515
Current U.S. Carriers Verizon (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.2" diag.
20 : 9
? 4.7" diag.
5 : 3
?
Display Resolution & Type 1080 x 2400 pixels
(~424 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
768 x 1280 pixels
(~318 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (TFT/TFD)
Display Refresh 120 Hz ? 60 Hz ?
Battery 4,000 mAh 1,000 mAh 2,100 mAh 1,200 mAh
Processor 2.8 GHz Qualcomm Snapdragon 888 ? 1.5 GHz Qualcomm Snapdragon S4 Pro 312 MHz Intel XScale PXA272
RAM 8 GB ? 2 GB ?
Storage 128 GB * ? raw hardware 32 GB ? raw hardware
Main Camera 12 megapixel 3 megapixel 13 megapixel 1 megapixel
Wide Camera 12 megapixel - - -
Tele Camera 64 megapixel - - -
Video Capture 8K ? 1080p HD ?
Front Camera 10 megapixel - 1 megapixel -
Weight 6.03 oz
(171g)
4.4 oz
(125g)
5.11 oz
(145g)
5.8 oz
(164g)
Dimensions 5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.19" x 2.71" x 0.33"
(132 x 69 x 8.5 mm)
4.65" x 2.8" x 0.71"
(118 x 71 x 18 mm)
Form Factor Slab Clamshell Slab Slab
Platform / OS Android (proprietary) Android Windows Mobile Professional
Network Bands

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 25

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology NR (5G) EVDO r0 LTE (Cat 3) EDGE
Features 
Barometer Yes - - -
Fingerprint Reader Yes
in-display (ultrasonic)
- - -
Flashlight Yes Yes - -
GPS / Location n/a Yes n/a n/a
Water-Resistant Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size n/a - n/a n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M4 (very compatible)
-
Multiple Languages n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - - Yes
Mobile Hotspot n/a - n/a n/a
NFC Yes - Yes -
USB Yes
USB Type C
Yes Yes
Micro-USB
Yes
Wi-Fi Yes
6 (802.11 a,ac,ax,b,g,n)
- Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID n/a Yes n/a n/a
Ringer ID n/a Yes n/a n/a
Voice Dialing n/a Yes n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a
Custom Ringtones n/a Yes n/a n/a
Real-Music Ringers n/a Yes n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a
WAP / Web Browser n/a Yes n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a
Side Keys Yes Yes Yes -
Text Keyboard, Hardware - - - Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client n/a - n/a n/a
EMS / Picture Messaging n/a Yes n/a n/a
Instant Messaging n/a - n/a n/a
MMS n/a Yes n/a n/a
Text Messaging Templates n/a Yes n/a n/a
Music
Headphone Jack (3.5mm) - - Yes -
Music Player n/a Yes n/a n/a
Stereo Speakers Yes Yes - -
Photo & Video
DLNA - - Yes -
Miracast - - Yes -
TV Output Yes Yes Yes -
Power
Fast Charging Yes - - -
Wireless Charging Yes - - -
Productivity
Alarm n/a Yes n/a n/a
Calculator n/a Yes n/a n/a
Calendar n/a Yes n/a n/a
To-Do List n/a - n/a n/a
Voice Memo n/a Yes n/a n/a
Software
BREW n/a Yes n/a n/a
Games n/a Yes n/a n/a
Voice
HD Voice Yes - Yes -
Headset Jack (2.5 mm) n/a - n/a n/a
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy S21 Samsung SCH-A990 LG Optimus G (CDMA) HP iPAQ hw6510 / hw6515
  X > < X > < X > < X

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

 
Phone Samsung Galaxy S21 Samsung SCH-A990 LG Optimus G (CDMA) HP iPAQ hw6510 / hw6515

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