Screen size
Folder 2Winner: 2.8"+29%
KF3102.0"
Quick verdict
Folder 2 leads the measured specs 7-5.
Measured wins
Folder 2
7
spec wins
Overall winner
Ties
3
equal specs
KF310
5
spec wins
Screen size
Technology
Folder 2
GSM / HSPA / LTE
KF310
GSM / UMTS
2G bands
Folder 2
GSM 850 / 900 / 1800 / 1900
KF310
GSM 900 / 1800 / 1900
3G bands
Folder 2
HSDPA 900 / 2100
KF310
UMTS 2100
4G bands
Folder 2
LTE
KF310
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
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
KF310
Yes, 384 kbps
Announced
Folder 2
2020, April 14. Released 2020, April 17
KF310
2008, February. Released 2008, May
Status
Folder 2
Discontinued
KF310
Discontinued
Dimensions
Folder 2
107.9 x 55 x 18 mm (4.25 x 2.17 x 0.71 in)
KF310
97 x 48 x 16.8 mm (3.82 x 1.89 x 0.66 in)
Weight
Folder 2
127 g (4.48 oz)
KF310
95 g (3.35 oz)
SIM
Folder 2
Nano-SIM
KF310
Mini-SIM
Type
Folder 2
IPS LCD
KF310
TFT, 256K colors
Size
Folder 2
2.8 inches, 24.3 cm2 (~40.9% screen-to-body ratio)
KF310
2.0 inches, 12.6 cm2 (~27.0% screen-to-body ratio)
Resolution
Folder 2
240 x 320 pixels, 4:3 ratio (~143 ppi density)
KF310
176 x 220 pixels (~141 ppi density)
Other
Folder 2
External 0.9 inches monochrome display
KF310
Downloadable wallpapers
Card slot
Folder 2
microSDXC
KF310
microSD (dedicated slot)
Phonebook
Folder 2
Practically unlimited entries and fields, Photocal
KF310
Yes
Call records
Folder 2
Practically unlimited
KF310
40 dialed, 40 received, 40 missed calls
Internal
Folder 2
8GB 1GB RAM
KF310
40MB
Single
Folder 2
2 MP
KF310
2 MP
Video
Folder 2
Yes
KF310
Yes
Other
Folder 2
Uses main camera
KF310
-
Single
Folder 2
-
KF310
VGA videocall camera
Video
Folder 2
-
KF310
Loudspeaker
Folder 2
Yes
KF310
Yes
Alert types
Folder 2
-
KF310
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
Folder 2
-
KF310
No
WLAN
Folder 2
Wi-Fi 802.11 b/g/n
KF310
No
Bluetooth
Folder 2
Yes
KF310
1.2
Positioning
Folder 2
GPS
KF310
No
NFC
Folder 2
No
KF310
-
Radio
Folder 2
FM radio
KF310
No
USB
Folder 2
Yes
KF310
2.0
Sensors
Folder 2
KF310
Messaging
Folder 2
SMS(threaded view), MMS, Email, Push Email, IM
KF310
SMS, EMS, MMS, Email, Instant Messaging
Games
Folder 2
Downloadable
KF310
Yes
Java
Folder 2
No
KF310
Yes, MIDP 2.0
Browser
Folder 2
-
KF310
WAP 2.0/xHTML
Other
Folder 2
-
KF310
MP3/MP4 player Organizer Voice memo Predictive text input
Type
Folder 2
Li-Ion 1470 mAh, removable
KF310
Removable Li-Ion 900 mAh battery
Stand-by
Folder 2
-
KF310
Up to 450 h
Talk time
Folder 2
-
KF310
Up to 5 h
Colors
Folder 2
White, Platinum Gray
KF310
Black, White
Price
Folder 2
About 150 EUR
KF310
About 60 EUR
SAR
Folder 2
-
KF310
0.93 W/kg (head) 1.46 W/kg (body)