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Phone Nokia N81 Sony Ericsson K850 Motorola edge (2023) Sony Xperia PRO-I
Current U.S. Carriers (none) (none) Boost (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 2.4" diag.
4 : 3
2.2" diag.
4 : 3
6.6" diag.
20 : 9
6.5" diag.
21 : 9
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~399 ppi)
AMOLED
1644 x 3840 pixels
(~643 ppi)
AMOLED
Display Refresh ? ? 144 Hz 120 Hz
Battery 1,050 mAh ? 4,400 mAh 4,500 mAh
Processor 369 MHz ARM 11 ? 2.5 GHz MediaTek Dimensity 7030 Qualcomm Snapdragon 888
RAM ? ? 8 GB 12 GB
Storage 8 GB * ? raw hardware 256 GB 512 GB
Main Camera 2 megapixel 5 megapixel 50 megapixel 12 megapixel
Wide Camera - - 13 megapixel 12 megapixel
Tele Camera - - - 12 megapixel
Video Capture VGA (640 x 480) ? 4K UHD 4K UHD
Front Camera - - 32 megapixel 8 megapixel
Weight 4.94 oz
(140g)
4.2 oz
(119g)
5.93 oz
(168g)
7.44 oz
(211g)
Dimensions 4.02" x 1.97" x 0.7"
(102 x 50 x 17.8 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
6.24" x 2.83" x 0.3"
(159 x 72 x 7.6 mm)
6.54" x 2.83" x 0.35"
(166 x 72 x 8.9 mm)
Form Factor Slide Slab Slab Slab
Platform / OS S60 (Symbian) (proprietary) Android Android
Network Bands

WCDMA: 1

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 12, 14, 20, 25, 26, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77-C, 78

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

Data Technology EDGE HSDPA 3.6 NR (5G) NR (5G)
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes
in-display (optical)
Yes
stand-alone
Flashlight - - Yes Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a Yes n/a n/a
TTY/TDD (Digital) - Yes - Yes
Alerts
Ringer Profiles Yes Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
NFC - - Yes Yes
USB Yes
Micro-USB
Yes Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
802.11 b,g
- Yes
6E (802.11 a,ac,ax,b,g,n)
Yes
6 (802.11 a,ac,ax,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
Dual-SIM - - Yes Yes
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 Yes
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes * Yes - Yes
Messaging
Email Client 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
FM Radio Yes Yes - -
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a Yes n/a n/a
Stereo Speakers Yes - Yes Yes
Photo & Video
Miracast - - Yes -
TV Output - - - Yes
Video Calling n/a Yes * n/a n/a
Power
Fast Charging - - Yes 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 Yes n/a n/a
Voice Memo n/a Yes n/a n/a
Software
Games n/a Yes n/a n/a
Java (J2ME) n/a Yes n/a n/a
Voice
HD Voice - - Yes Yes
Push-To-Talk Yes * - - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Nokia N81 Sony Ericsson K850 Motorola edge (2023) Sony Xperia PRO-I
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Phone Nokia N81 Sony Ericsson K850 Motorola edge (2023) Sony Xperia PRO-I

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