Screen size
3 (2025)Winner: 6.5"
OT 500—
Quick verdict
3 (2025) leads the measured specs 17-1.
Measured wins
3 (2025)
17
spec wins
Overall winner
Ties
1
equal specs
OT 500
1
spec wins
Screen size
Technology
3 (2025)
GSM / HSPA / LTE
OT 500
GSM
2G bands
3 (2025)
GSM 850 / 900 / 1800 / 1900
OT 500
GSM 900 / 1800
3G bands
3 (2025)
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
OT 500
-
4G bands
3 (2025)
LTE
OT 500
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
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
-
Speed
3 (2025)
HSPA, LTE
OT 500
-
GPRS
3 (2025)
-
OT 500
No
EDGE
3 (2025)
-
OT 500
No
Announced
3 (2025)
2025, May 21
OT 500
2000
Status
3 (2025)
Available. Released 2025, June
OT 500
Discontinued
Dimensions
3 (2025)
164.4 x 75.8 x 8.8 mm (6.47 x 2.98 x 0.35 in)
OT 500
103 x 42 x 23 mm, 89 cc (4.06 x 1.65 x 0.91 in)
Weight
3 (2025)
185 g (6.53 oz)
OT 500
103 g (3.63 oz)
Build
3 (2025)
Glass front, plastic back, plastic frame
OT 500
-
SIM
3 (2025)
Nano-SIM + Nano-SIM
OT 500
Mini-SIM
Type
3 (2025)
IPS LCD, 400 nits
OT 500
Monochrome graphic
Size
3 (2025)
6.52 inches, 102.6 cm2 (~82.4% screen-to-body ratio)
OT 500
Resolution
3 (2025)
576 x 1280 pixels, 20:9 ratio (~215 ppi density)
OT 500
96 x 64 pixels, 8 x 20 chars, 3:2 ratio
Other
3 (2025)
-
OT 500
Animation
OS
3 (2025)
Android 15 (Go edition)
OT 500
-
Chipset
3 (2025)
Unisoc SC9863A1 (22 nm)
OT 500
-
CPU
3 (2025)
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
OT 500
-
GPU
3 (2025)
IMG8322
OT 500
-
Card slot
3 (2025)
microSDXC
OT 500
No
Internal
3 (2025)
64GB 3GB RAM, 128GB 4GB RAM
OT 500
-
Other
3 (2025)
eMMC 5.1
OT 500
-
Phonebook
3 (2025)
-
OT 500
1000
Call records
3 (2025)
-
OT 500
30 received, dialed and missed calls
Single
3 (2025)
8 MP, f/1.8, (wide), 1/4.0", 1.12µm, AF or 13 MP, AF (region dependent)
OT 500
-
Features
3 (2025)
LED flash
OT 500
-
Video
3 (2025)
1080p@30fps
OT 500
-
Single
3 (2025)
5 MP, f/2.2, (wide), 1/5.0", 1.12µm
OT 500
-
Video
3 (2025)
Yes
OT 500
-
Loudspeaker
3 (2025)
Yes
OT 500
Yes
3.5mm jack
3 (2025)
Yes
OT 500
No
Alert types
3 (2025)
-
OT 500
Vibration; Monophonic ringtones
WLAN
3 (2025)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
OT 500
No
Bluetooth
3 (2025)
4.2, A2DP
OT 500
No
Positioning
3 (2025)
GPS, GLONASS, GALILEO, BDS
OT 500
No
NFC
3 (2025)
No
OT 500
-
Radio
3 (2025)
Unspecified
OT 500
No
USB
3 (2025)
USB Type-C 2.0, OTG
OT 500
Sensors
3 (2025)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
OT 500
Messaging
3 (2025)
-
OT 500
SMS
Browser
3 (2025)
-
OT 500
WAP (for 501)
Clock
3 (2025)
-
OT 500
Yes
Alarm
3 (2025)
-
OT 500
Yes
Games
3 (2025)
-
OT 500
No
Java
3 (2025)
-
OT 500
No
Other
3 (2025)
-
OT 500
Predictive text input SATK Voice memo (60 sec) Voice recognition Organizer
Type
3 (2025)
5010 mAh
OT 500
Removable Li-Ion battery
Charging
3 (2025)
10W wired
OT 500
-
Stand-by
3 (2025)
-
OT 500
320 h
Talk time
3 (2025)
-
OT 500
5 h
Colors
3 (2025)
Space Gray, Teal Blue
OT 500
5
Models
3 (2025)
T451H
OT 500
-
Other
3 (2025)
-
OT 500
No