Screen size
3 (2025)Winner: 6.5"+63%
OT-813F2.4"
Quick verdict
3 (2025) leads the measured specs 14-1.
Measured wins
3 (2025)
14
spec wins
Overall winner
Ties
4
equal specs
OT-813F
1
spec wins
Screen size
Technology
3 (2025)
GSM / HSPA / LTE
OT-813F
GSM
2G bands
3 (2025)
GSM 850 / 900 / 1800 / 1900
OT-813F
GSM 900 / 1800
3G bands
3 (2025)
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
OT-813F
-
4G bands
3 (2025)
LTE
OT-813F
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
-
Speed
3 (2025)
HSPA, LTE
OT-813F
-
GPRS
3 (2025)
-
OT-813F
Class 12
EDGE
3 (2025)
-
OT-813F
Class 12
Announced
3 (2025)
2025, May 21
OT-813F
2011. Released 2011
Status
3 (2025)
Available. Released 2025, June
OT-813F
Discontinued
Dimensions
3 (2025)
164.4 x 75.8 x 8.8 mm (6.47 x 2.98 x 0.35 in)
OT-813F
115 x 61.1 x 12.9 mm (4.53 x 2.41 x 0.51 in)
Weight
3 (2025)
185 g (6.53 oz)
OT-813F
102.5 g (3.63 oz)
Build
3 (2025)
Glass front, plastic back, plastic frame
OT-813F
-
SIM
3 (2025)
Nano-SIM + Nano-SIM
OT-813F
Mini-SIM
Keyboard
3 (2025)
-
OT-813F
QWERTY
Type
3 (2025)
IPS LCD, 400 nits
OT-813F
TFT resistive touchscreen, 256K colors
Size
3 (2025)
6.52 inches, 102.6 cm2 (~82.4% screen-to-body ratio)
OT-813F
2.4 inches, 17.8 cm2 (~25.4% screen-to-body ratio)
Resolution
3 (2025)
576 x 1280 pixels, 20:9 ratio (~215 ppi density)
OT-813F
320 x 240 pixels, 4:3 ratio (~167 ppi density)
OS
3 (2025)
Android 15 (Go edition)
OT-813F
-
Chipset
3 (2025)
Unisoc SC9863A1 (22 nm)
OT-813F
-
CPU
3 (2025)
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
OT-813F
-
GPU
3 (2025)
IMG8322
OT-813F
-
Card slot
3 (2025)
microSDXC
OT-813F
microSDHC (dedicated slot)
Internal
3 (2025)
64GB 3GB RAM, 128GB 4GB RAM
OT-813F
50MB
Other
3 (2025)
eMMC 5.1
OT-813F
-
Phonebook
3 (2025)
-
OT-813F
Yes, Photocall
Call records
3 (2025)
-
OT-813F
Yes
Single
3 (2025)
8 MP, f/1.8, (wide), 1/4.0", 1.12µm, AF or 13 MP, AF (region dependent)
OT-813F
2 MP
Features
3 (2025)
LED flash
OT-813F
-
Video
3 (2025)
1080p@30fps
OT-813F
Yes
Single
3 (2025)
5 MP, f/2.2, (wide), 1/5.0", 1.12µm
OT-813F
-
Video
3 (2025)
Yes
OT-813F
-
Other
3 (2025)
-
OT-813F
No
Loudspeaker
3 (2025)
Yes
OT-813F
Yes
3.5mm jack
3 (2025)
Yes
OT-813F
Yes
WLAN
3 (2025)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
OT-813F
Wi-Fi 802.11 b/g
Bluetooth
3 (2025)
4.2, A2DP
OT-813F
2.1, A2DP
Positioning
3 (2025)
GPS, GLONASS, GALILEO, BDS
OT-813F
No
NFC
3 (2025)
No
OT-813F
-
Radio
3 (2025)
Unspecified
OT-813F
Stereo FM radio, RDS
USB
3 (2025)
USB Type-C 2.0, OTG
OT-813F
microUSB 2.0
Sensors
3 (2025)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
OT-813F
Messaging
3 (2025)
-
OT-813F
SMS, MMS, Email, Push Email, IM
Games
3 (2025)
-
OT-813F
Yes + downloadable
Java
3 (2025)
-
OT-813F
Yes, MIDP 2.1
Other
3 (2025)
-
OT-813F
SNS integration MP3/AAC+/WAV/WMA player MP4/H.264 player Organizer Voice memo Predictive text input
Type
3 (2025)
5010 mAh
OT-813F
Removable Li-Ion battery
Charging
3 (2025)
10W wired
OT-813F
-
Colors
3 (2025)
Space Gray, Teal Blue
OT-813F
Black, White
Models
3 (2025)
T451H
OT-813F
-
SAR EU
3 (2025)
-
OT-813F
1.19 W/kg (head) 0.82 W/kg (body)