Screen size
1 (2021)Winner: 5.0"
OT 531—
Quick verdict
1 (2021) leads the measured specs 15-1.
Measured wins
1 (2021)
15
spec wins
Overall winner
Ties
1
equal specs
OT 531
1
spec wins
Screen size
Technology
1 (2021)
GSM / HSPA / LTE
OT 531
GSM
2G bands
1 (2021)
GSM 850 / 900 / 1800 / 1900
OT 531
GSM 900 / 1800
3G bands
1 (2021)
HSDPA 850 / 900 / 1900 / 2100
OT 531
-
4G bands
1 (2021)
1, 3, 7, 8, 20
OT 531
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
1 (2021)
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
OT 531
-
GPRS
1 (2021)
-
OT 531
Class 8
EDGE
1 (2021)
-
OT 531
No
Announced
1 (2021)
2021, June 25
OT 531
2003, March
Status
1 (2021)
Available. Released 2021, October 22
OT 531
Discontinued
Dimensions
1 (2021)
137.6 x 65.7 x 9.8 mm (5.42 x 2.59 x 0.39 in)
OT 531
116 x 47 x 20 mm (4.57 x 1.85 x 0.79 in)
Weight
1 (2021)
134 g (4.73 oz)
OT 531
95 g (3.35 oz)
SIM
1 (2021)
· Nano-SIM· Nano-SIM + Nano-SIM
OT 531
Mini-SIM
Type
1 (2021)
TFT LCD
OT 531
CSTN, 4096 colors
Size
1 (2021)
5.0 inches, 64.5 cm2 (~71.4% screen-to-body ratio)
OT 531
Resolution
1 (2021)
480 x 960 pixels, 18:9 ratio (~215 ppi density)
OT 531
128 x 141 pixels
Protection
1 (2021)
Asahi Glass
OT 531
-
Other
1 (2021)
-
OT 531
Downloadable wallpapers Customizable softkeys
OS
1 (2021)
Android 11 (Go edition)
OT 531
-
Chipset
1 (2021)
Mediatek MT6739 (28 nm)
OT 531
-
CPU
1 (2021)
Quad-core 1.28 GHz Cortex-A53
OT 531
-
GPU
1 (2021)
PowerVR GE8100
OT 531
-
Card slot
1 (2021)
microSDHC (dedicated slot)
OT 531
No
Internal
1 (2021)
8GB 1GB RAM, 16GB 1GB RAM
OT 531
-
Other
1 (2021)
eMMC 5.1
OT 531
20 voice dial records 150 SMS messages SMS templates Detailed call logs
Phonebook
1 (2021)
-
OT 531
255 x 6 fields
Call records
1 (2021)
-
OT 531
10 dialed, 10 received, 10 missed calls
Single
1 (2021)
5 MP, f/2.4, 1/5.0", 1.12µm
OT 531
-
Features
1 (2021)
LED flash
OT 531
-
Video
1 (2021)
720p@30fps
OT 531
-
Single
1 (2021)
2 MP, f/2.8
OT 531
-
Video
1 (2021)
720p@30fps
OT 531
-
Loudspeaker
1 (2021)
Yes
OT 531
Yes
3.5mm jack
1 (2021)
Yes
OT 531
No
Alert types
1 (2021)
-
OT 531
Vibration; Polyphonic(16) ringtones, composer
WLAN
1 (2021)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
OT 531
No
Bluetooth
1 (2021)
4.2, A2DP, LE
OT 531
No
Positioning
1 (2021)
GPS
OT 531
No
NFC
1 (2021)
No
OT 531
-
Radio
1 (2021)
FM radio
OT 531
No
USB
1 (2021)
microUSB 2.0
OT 531
Infrared port
1 (2021)
-
OT 531
Yes
Sensors
1 (2021)
Accelerometer, proximity
OT 531
Messaging
1 (2021)
-
OT 531
SMS, EMS
Browser
1 (2021)
-
OT 531
WAP 1.2.1 color image viewer (GIF, PNG, JPG)
Clock
1 (2021)
-
OT 531
Yes
Alarm
1 (2021)
-
OT 531
Yes
Games
1 (2021)
-
OT 531
2 + downloadable
Java
1 (2021)
-
OT 531
No
Other
1 (2021)
-
OT 531
Business card exchange via IrDA Voice dial Voice memo Predictive text input Organizer Customizable front panel
Type
1 (2021)
Li-Ion 2000 mAh
OT 531
Removable Li-Ion 900 mAh battery
Stand-by
1 (2021)
-
OT 531
Up to 350 h
Talk time
1 (2021)
-
OT 531
Up to 4 h
Colors
1 (2021)
Volcano Black, AI Aqua
OT 531
3
Price
1 (2021)
About 60 EUR
OT 531
-
Other
1 (2021)
-
OT 531
No