Screen size
Folder 2Winner: 2.8"
KU311—
Quick verdict
Folder 2 leads the measured specs 8-3.
Measured wins
Folder 2
8
spec wins
Overall winner
Ties
2
equal specs
KU311
3
spec wins
Screen size
Technology
Folder 2
GSM / HSPA / LTE
KU311
GSM / UMTS
2G bands
Folder 2
GSM 850 / 900 / 1800 / 1900
KU311
GSM 900 / 1800 / 1900
3G bands
Folder 2
HSDPA 900 / 2100
KU311
UMTS 2100
4G bands
Folder 2
LTE
KU311
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
equal specsStereo speakers
-
Speed
Folder 2
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
KU311
Yes, 384 kbps
Announced
Folder 2
2020, April 14. Released 2020, April 17
KU311
2007, February
Status
Folder 2
Discontinued
KU311
Discontinued
Dimensions
Folder 2
107.9 x 55 x 18 mm (4.25 x 2.17 x 0.71 in)
KU311
93.7 x 49 x 18.6 mm (3.69 x 1.93 x 0.73 in)
Weight
Folder 2
127 g (4.48 oz)
KU311
98 g (3.46 oz)
SIM
Folder 2
Nano-SIM
KU311
Mini-SIM
Type
Folder 2
IPS LCD
KU311
TFT, 256K colors
Size
Folder 2
2.8 inches, 24.3 cm2 (~40.9% screen-to-body ratio)
KU311
Resolution
Folder 2
240 x 320 pixels, 4:3 ratio (~143 ppi density)
KU311
176 x 220 pixels
Other
Folder 2
External 0.9 inches monochrome display
KU311
Second external OLED display, 65K colors, (96 x 96 pixels) Downloadable wallpapers
Card slot
Folder 2
microSDXC
KU311
microSD (dedicated slot)
Phonebook
Folder 2
Practically unlimited entries and fields, Photocal
KU311
500 entries
Call records
Folder 2
Practically unlimited
KU311
10 dialed, 10 received, 10 missed calls
Internal
Folder 2
8GB 1GB RAM
KU311
10MB
Single
Folder 2
2 MP
KU311
1.3 MP
Video
Folder 2
Yes
KU311
Yes
Other
Folder 2
Uses main camera
KU311
No
Loudspeaker
Folder 2
Yes
KU311
No
Alert types
Folder 2
-
KU311
Vibration; Downloadable polyphonic ringtones
3.5mm jack
Folder 2
-
KU311
No
WLAN
Folder 2
Wi-Fi 802.11 b/g/n
KU311
No
Bluetooth
Folder 2
Yes
KU311
Yes
Positioning
Folder 2
GPS
KU311
No
NFC
Folder 2
No
KU311
-
Radio
Folder 2
FM radio
KU311
No
USB
Folder 2
Yes
KU311
Proprietary
Sensors
Folder 2
KU311
Messaging
Folder 2
SMS(threaded view), MMS, Email, Push Email, IM
KU311
SMS, EMS, MMS
Games
Folder 2
Downloadable
KU311
Yes + downloadable
Java
Folder 2
No
KU311
Yes, MIDP 2.0
Browser
Folder 2
-
KU311
WAP 2.0/xHTML
Other
Folder 2
-
KU311
MP3/AAC/MP4 player Predictive text input Organizer
Type
Folder 2
Li-Ion 1470 mAh, removable
KU311
Removable Li-Ion 800 mAh battery
Stand-by
Folder 2
-
KU311
Up to 170 h
Talk time
Folder 2
-
KU311
Up to 4 h
Colors
Folder 2
White, Platinum Gray
KU311
Price
Folder 2
About 150 EUR
KU311
About 90 EUR