Screen size
3 (2025)Winner: 6.5"+73%
OT-5061.8"
Quick verdict
3 (2025) leads the measured specs 14-1.
Measured wins
3 (2025)
14
spec wins
Overall winner
Ties
4
equal specs
OT-506
1
spec wins
Screen size
Technology
3 (2025)
GSM / HSPA / LTE
OT-506
GSM
2G bands
3 (2025)
GSM 850 / 900 / 1800 / 1900
OT-506
GSM 850 / 1900 , GSM 900 / 1800
3G bands
3 (2025)
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
OT-506
-
4G bands
3 (2025)
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
OT-506
-
Speed
3 (2025)
HSPA, LTE
OT-506
-
GPRS
3 (2025)
-
OT-506
Class 12
EDGE
3 (2025)
-
OT-506
No
Announced
3 (2025)
2025, May 21
OT-506
2011, February. Released 2011, Q3
Status
3 (2025)
Available. Released 2025, June
OT-506
Discontinued
Dimensions
3 (2025)
164.4 x 75.8 x 8.8 mm (6.47 x 2.98 x 0.35 in)
OT-506
106 x 46 x 13.4 mm (4.17 x 1.81 x 0.53 in)
Weight
3 (2025)
185 g (6.53 oz)
OT-506
80 g (2.82 oz)
Build
3 (2025)
Glass front, plastic back, plastic frame
OT-506
-
SIM
3 (2025)
Nano-SIM + Nano-SIM
OT-506
Mini-SIM
Type
3 (2025)
IPS LCD, 400 nits
OT-506
TFT, 65K colors
Size
3 (2025)
6.52 inches, 102.6 cm2 (~82.4% screen-to-body ratio)
OT-506
1.77 inches, 9.9 cm2 (~20.2% screen-to-body ratio)
Resolution
3 (2025)
576 x 1280 pixels, 20:9 ratio (~215 ppi density)
OT-506
128 x 160 pixels (~116 ppi density)
OS
3 (2025)
Android 15 (Go edition)
OT-506
-
Chipset
3 (2025)
Unisoc SC9863A1 (22 nm)
OT-506
-
CPU
3 (2025)
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
OT-506
104 MHz
GPU
3 (2025)
IMG8322
OT-506
-
Card slot
3 (2025)
microSDXC
OT-506
microSDHC (dedicated slot)
Internal
3 (2025)
64GB 3GB RAM, 128GB 4GB RAM
OT-506
2MB
Other
3 (2025)
eMMC 5.1
OT-506
-
Phonebook
3 (2025)
-
OT-506
Yes, Photocall
Call records
3 (2025)
-
OT-506
Yes
Single
3 (2025)
8 MP, f/1.8, (wide), 1/4.0", 1.12µm, AF or 13 MP, AF (region dependent)
OT-506
2 MP
Features
3 (2025)
LED flash
OT-506
-
Video
3 (2025)
1080p@30fps
OT-506
Yes
Single
3 (2025)
5 MP, f/2.2, (wide), 1/5.0", 1.12µm
OT-506
-
Video
3 (2025)
Yes
OT-506
-
Other
3 (2025)
-
OT-506
No
Loudspeaker
3 (2025)
Yes
OT-506
Yes
3.5mm jack
3 (2025)
Yes
OT-506
Yes
WLAN
3 (2025)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
OT-506
No
Bluetooth
3 (2025)
4.2, A2DP
OT-506
2.1, A2DP
Positioning
3 (2025)
GPS, GLONASS, GALILEO, BDS
OT-506
No
NFC
3 (2025)
No
OT-506
-
Radio
3 (2025)
Unspecified
OT-506
Stereo FM radio, RDS
USB
3 (2025)
USB Type-C 2.0, OTG
OT-506
microUSB 2.0
Sensors
3 (2025)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
OT-506
Messaging
3 (2025)
-
OT-506
SMS, MMS, Email, IM
Browser
3 (2025)
-
OT-506
WAP 2.0/xHTML, HTML
Games
3 (2025)
-
OT-506
Yes
Java
3 (2025)
-
OT-506
Yes, MIDP 2.0
Other
3 (2025)
-
OT-506
Facebook, Twitter apps MP3/H.263 player Organizer Voice memo Predictive text input
Type
3 (2025)
5010 mAh
OT-506
Removable Li-Ion 650 mAh battery
Charging
3 (2025)
10W wired
OT-506
-
Stand-by
3 (2025)
-
OT-506
Up to 400 h
Talk time
3 (2025)
-
OT-506
Up to 6 h
Music play
3 (2025)
-
OT-506
Up to 8 h
Colors
3 (2025)
Space Gray, Teal Blue
OT-506
Black, Spicy red
Models
3 (2025)
T451H
OT-506
-