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Phone BLU Life One X3 Nokia Lumia 635 (CDMA) Samsung Galaxy S21 OnePlus 12
Current U.S. Carriers (none) (none) Verizon (none)
Global Availability Released Released Released Released
Specifications 
Display Size 5.5" diag.
16 : 9
4.5" diag.
16 : 9
6.2" diag.
20 : 9
6.8" diag.
20 : 9
Display Resolution & Type 1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~424 ppi)
AMOLED
1440 x 3168 pixels
(~510 ppi)
AMOLED
Display Refresh 60 Hz ? 120 Hz 120 Hz
Battery 5,000 mAh 1,830 mAh 4,000 mAh 5,400 mAh
Processor 1.3 GHz MediaTek 6753 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) 2.8 GHz Qualcomm Snapdragon 888 Snapdragon 8 Gen 3
RAM 3 GB 512 MB 8 GB 12 GB *
Storage 32 GB 8 GB 128 GB * 256 GB *
Main Camera 13 megapixel 5 megapixel 12 megapixel 50 megapixel
Wide Camera - - 12 megapixel 48 megapixel
Tele Camera - - 64 megapixel 64 megapixel
Video Capture 1080p HD 720p HD 8K 8K
Front Camera 13 megapixel - 10 megapixel 32 megapixel
Weight 6.42 oz
(182g)
4.73 oz
(134g)
6.03 oz
(171g)
7.76 oz
(220g)
Dimensions 6.02" x 2.97" x 0.35"
(153 x 75 x 8.9 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
6.47" x 2.98" x 0.36"
(164 x 76 x 9.1 mm)
Platform / OS Android Windows Android Android
Network Bands

4G LTE: 1, 2, 3, 4, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

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

5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 6, 8, 19

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 3) NR (5G) NR (5G)
Features 
Barometer - - Yes -
Fingerprint Reader Yes
stand-alone
- Yes
in-display (ultrasonic)
Yes
in-display (optical)
Flashlight Yes - Yes Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
-
Accessibility
Hearing Aid Compatible - Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Connectivity
Bluetooth Yes
Yes
Classic Audio
Yes
Classic Audio
Yes
Auracast, LE Audio, Classic Audio
NFC - - Yes Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
7 (802.11 a,ac,ax,b,be,g,n)
Data & Network
Dual-SIM Yes - - Yes
Input
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes - -
Music
FM Radio Yes Yes - -
Headphone Jack (3.5mm) Yes Yes - -
Stereo Speakers - - Yes -
Photo & Video
DLNA - Yes - -
TV Output - - Yes -
Power
Fast Charging Yes - Yes Yes
Wireless Charging - - Yes Yes
Voice
HD Voice - - Yes Yes
Speaker Phone Yes Yes Yes Yes
  BLU Life One X3 Nokia Lumia 635 (CDMA) Samsung Galaxy S21 OnePlus 12
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BLU Life One X3 Nokia Lumia 635 (CDMA) Samsung Galaxy S21 OnePlus 12

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