Screen size
Go Flip 4Winner: 2.8"+14%
OT-9002.4"
Quick verdict
Go Flip 4 leads the measured specs 7-2.
Measured wins
Go Flip 4
7
spec wins
Overall winner
Ties
6
equal specs
OT-900
2
spec wins
Screen size
Technology
Go Flip 4
GSM / HSPA / LTE
OT-900
GSM / UMTS / HSPA
2G bands
Go Flip 4
GSM 850 / 1900
OT-900
GSM 850 / 900 / 1800 / 1900
3G bands
Go Flip 4
HSDPA 850 / 1700(AWS) / 1900
OT-900
UMTS 900 / 2100 , HSDPA 850 / 2100
4G bands
Go Flip 4
2, 4, 5, 12, 25, 26, 41, 66, 71
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront 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-900
-
Speed
Go Flip 4
HSPA, LTE
OT-900
Yes, 384 kbps
Announced
Go Flip 4
2021, September
OT-900
2011, February. Released 2011, March
Status
Go Flip 4
Available. Released 2021, September
OT-900
Discontinued
Dimensions
Go Flip 4
107.3 x 55.6 x 19.9 mm (4.22 x 2.19 x 0.78 in)
OT-900
112 x 61.5 x 12.9 mm (4.41 x 2.42 x 0.51 in)
Weight
Go Flip 4
133 g (4.69 oz)
OT-900
102.3 (3.60 oz)
SIM
Go Flip 4
Nano-SIM
OT-900
Mini-SIM
Keyboard
Go Flip 4
-
OT-900
QWERTY
Other
Go Flip 4
-
OT-900
Optical trackpad
Type
Go Flip 4
TN TFT LCD
OT-900
TFT, 256K colors
Size
Go Flip 4
2.8 inches, 24.3 cm2 (~40.7% screen-to-body ratio)
OT-900
2.4 inches, 17.8 cm2 (~25.9% screen-to-body ratio)
Resolution
Go Flip 4
240 x 320 pixels, 4:3 ratio (~143 ppi density)
OT-900
320 x 240 pixels, 4:3 ratio (~167 ppi density)
Other
Go Flip 4
Second external TN TFT display, 1.44 inches, 128 x 128 pixels
OT-900
-
OS
Go Flip 4
KaiOS 3.0
OT-900
-
Chipset
Go Flip 4
QM215 Snapdragon 215 (28 nm)
OT-900
-
CPU
Go Flip 4
Quad-core 1.3 GHz Cortex-A53
OT-900
245 MHz
GPU
Go Flip 4
Adreno 308
OT-900
-
Card slot
Go Flip 4
microSDHC (dedicated slot)
OT-900
microSDHC (dedicated slot)
Internal
Go Flip 4
4GB 512MB RAM
OT-900
50MB
Phonebook
Go Flip 4
-
OT-900
Yes, Photocall
Call records
Go Flip 4
-
OT-900
Yes
Single
Go Flip 4
2 MP
OT-900
2 MP
Video
Go Flip 4
480p@30fps
OT-900
Yes
Other
Go Flip 4
No
OT-900
No
Loudspeaker
Go Flip 4
Yes
OT-900
Yes
3.5mm jack
Go Flip 4
Yes
OT-900
Yes
WLAN
Go Flip 4
Wi-Fi 802.11 b/g/n, hotspot
OT-900
No
Bluetooth
Go Flip 4
4.2, A2DP
OT-900
2.1, A2DP
Positioning
Go Flip 4
GPS
OT-900
No
NFC
Go Flip 4
No
OT-900
-
Radio
Go Flip 4
FM radio
OT-900
Stereo FM radio, RDS
USB
Go Flip 4
USB Type-C 2.0
OT-900
microUSB 2.0
Sensors
Go Flip 4
OT-900
Messaging
Go Flip 4
-
OT-900
SMS, MMS, Email, Push Email, IM
Browser
Go Flip 4
-
OT-900
WAP 2.0/xHTML, HTML
Games
Go Flip 4
-
OT-900
Yes
Java
Go Flip 4
-
OT-900
Yes, MIDP 2.0
Other
Go Flip 4
-
OT-900
SNS integration MP3/AAC+/WAV/WMA player MP4/H.264 player Organizer Voice memo Predictive text input
Type
Go Flip 4
Li-Ion 1850 mAh
OT-900
Removable Li-Ion 1000 mAh battery
Stand-by
Go Flip 4
-
OT-900
Up to 800 h
Talk time
Go Flip 4
-
OT-900
Up to 8 h
Colors
Go Flip 4
Midnight Blue
OT-900
White, Cyber blue, Cashmere Grey, Fuchsia
Models
Go Flip 4
4056W
OT-900
-
SAR
Go Flip 4
0.78 W/kg (head) 1.27 W/kg (body)
OT-900
-
Price
Go Flip 4
About 120 EUR
OT-900
-