Screen size
Go Flip 4Winner: 2.8"+37%
OT-6651.8"
Quick verdict
Go Flip 4 leads the measured specs 8-2.
Measured wins
Go Flip 4
8
spec wins
Overall winner
Ties
5
equal specs
OT-665
2
spec wins
Screen size
Technology
Go Flip 4
GSM / HSPA / LTE
OT-665
GSM
2G bands
Go Flip 4
GSM 850 / 1900
OT-665
GSM 850 / 1900 , GSM 900 / 1800
3G bands
Go Flip 4
HSDPA 850 / 1700(AWS) / 1900
OT-665
-
4G bands
Go Flip 4
2, 4, 5, 12, 25, 26, 41, 66, 71
Resolution
Refresh 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-665
-
Speed
Go Flip 4
HSPA, LTE
OT-665
-
GPRS
Go Flip 4
-
OT-665
Class 12
EDGE
Go Flip 4
-
OT-665
No
Announced
Go Flip 4
2021, September
OT-665
2011, February. Released 2011, Q3
Status
Go Flip 4
Available. Released 2021, September
OT-665
Discontinued
Dimensions
Go Flip 4
107.3 x 55.6 x 19.9 mm (4.22 x 2.19 x 0.78 in)
OT-665
96 x 48 x 16.8 mm (3.78 x 1.89 x 0.66 in)
Weight
Go Flip 4
133 g (4.69 oz)
OT-665
77 g (2.72 oz)
SIM
Go Flip 4
Nano-SIM
OT-665
Mini-SIM
Type
Go Flip 4
TN TFT LCD
OT-665
TFT, 256K colors
Size
Go Flip 4
2.8 inches, 24.3 cm2 (~40.7% screen-to-body ratio)
OT-665
1.77 inches, 9.9 cm2 (~21.4% screen-to-body ratio)
Resolution
Go Flip 4
240 x 320 pixels, 4:3 ratio (~143 ppi density)
OT-665
128 x 160 pixels (~116 ppi density)
Other
Go Flip 4
Second external TN TFT display, 1.44 inches, 128 x 128 pixels
OT-665
External OLED display (2 lines)
OS
Go Flip 4
KaiOS 3.0
OT-665
-
Chipset
Go Flip 4
QM215 Snapdragon 215 (28 nm)
OT-665
-
CPU
Go Flip 4
Quad-core 1.3 GHz Cortex-A53
OT-665
104 MHz
GPU
Go Flip 4
Adreno 308
OT-665
-
Card slot
Go Flip 4
microSDHC (dedicated slot)
OT-665
microSDHC (dedicated slot)
Internal
Go Flip 4
4GB 512MB RAM
OT-665
2MB
Phonebook
Go Flip 4
-
OT-665
Yes, Photocall
Call records
Go Flip 4
-
OT-665
Yes
Single
Go Flip 4
2 MP
OT-665
2 MP
Video
Go Flip 4
480p@30fps
OT-665
Yes
Other
Go Flip 4
No
OT-665
No
Loudspeaker
Go Flip 4
Yes
OT-665
Yes
3.5mm jack
Go Flip 4
Yes
OT-665
Yes
WLAN
Go Flip 4
Wi-Fi 802.11 b/g/n, hotspot
OT-665
No
Bluetooth
Go Flip 4
4.2, A2DP
OT-665
2.1, A2DP
Positioning
Go Flip 4
GPS
OT-665
No
NFC
Go Flip 4
No
OT-665
-
Radio
Go Flip 4
FM radio
OT-665
Stereo FM radio, RDS
USB
Go Flip 4
USB Type-C 2.0
OT-665
microUSB 2.0
Sensors
Go Flip 4
OT-665
Messaging
Go Flip 4
-
OT-665
SMS, MMS, Email
Browser
Go Flip 4
-
OT-665
WAP 2.0/xHTML
Games
Go Flip 4
-
OT-665
Yes
Java
Go Flip 4
-
OT-665
Yes, MIDP 2.1
Other
Go Flip 4
-
OT-665
Facebook, Twitter apps MP3/H.263 player Organizer Voice memo Predictive text input
Type
Go Flip 4
Li-Ion 1850 mAh
OT-665
Removable Li-Ion 650 mAh battery
Stand-by
Go Flip 4
-
OT-665
Up to 400 h
Talk time
Go Flip 4
-
OT-665
Up to 6 h
Colors
Go Flip 4
Midnight Blue
OT-665
White, Red, Dark blue
Models
Go Flip 4
4056W
OT-665
-
SAR
Go Flip 4
0.78 W/kg (head) 1.27 W/kg (body)
OT-665
-
Price
Go Flip 4
About 120 EUR
OT-665
-