Screen size
Folder 2Winner: 2.8"+14%
KF755 Secret2.4"
Quick verdict
KF755 Secret leads the measured specs 7-5.
Measured wins
Folder 2
5
spec wins
Ties
3
equal specs
KF755 Secret
7
spec wins
Overall winner
Screen size
Technology
Folder 2
GSM / HSPA / LTE
KF755 Secret
GSM
2G bands
Folder 2
GSM 850 / 900 / 1800 / 1900
KF755 Secret
GSM 900 / 1800 / 1900
3G bands
Folder 2
HSDPA 900 / 2100
KF755 Secret
-
4G bands
Folder 2
LTE
KF755 Secret
Resolution
equal specsRefresh 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
KF755 Secret
-
GPRS
Folder 2
-
KF755 Secret
Class 10
EDGE
Folder 2
-
KF755 Secret
Class 10
Announced
Folder 2
2020, April 14. Released 2020, April 17
KF755 Secret
2008, April. Released 2008, December
Status
Folder 2
Discontinued
KF755 Secret
Discontinued
Dimensions
Folder 2
107.9 x 55 x 18 mm (4.25 x 2.17 x 0.71 in)
KF755 Secret
102.8 x 50.8 x 11.8 mm (4.05 x 2.0 x 0.46 in)
Weight
Folder 2
127 g (4.48 oz)
KF755 Secret
112 g (3.95 oz)
SIM
Folder 2
Nano-SIM
KF755 Secret
Mini-SIM
Type
Folder 2
IPS LCD
KF755 Secret
TFT resistive touchscreen, 256K colors
Size
Folder 2
2.8 inches, 24.3 cm2 (~40.9% screen-to-body ratio)
KF755 Secret
2.4 inches, 17.8 cm2 (~34.2% screen-to-body ratio)
Resolution
Folder 2
240 x 320 pixels, 4:3 ratio (~143 ppi density)
KF755 Secret
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Other
Folder 2
External 0.9 inches monochrome display
KF755 Secret
Limited touchscreen functionality
Protection
Folder 2
-
KF755 Secret
Scratch-resistant glass
Card slot
Folder 2
microSDXC
KF755 Secret
microSD (dedicated slot)
Phonebook
Folder 2
Practically unlimited entries and fields, Photocal
KF755 Secret
1000 entries, Photocall
Call records
Folder 2
Practically unlimited
KF755 Secret
40 dialed, 40 received, 40 missed calls
Internal
Folder 2
8GB 1GB RAM
KF755 Secret
-
Single
Folder 2
2 MP
KF755 Secret
5 MP, AF
Video
Folder 2
Yes
KF755 Secret
480p@30fps, 320p@120fps
Features
Folder 2
-
KF755 Secret
LED flash
Other
Folder 2
Uses main camera
KF755 Secret
No
Loudspeaker
Folder 2
Yes
KF755 Secret
Yes
Alert types
Folder 2
-
KF755 Secret
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
Folder 2
-
KF755 Secret
No
WLAN
Folder 2
Wi-Fi 802.11 b/g/n
KF755 Secret
No
Bluetooth
Folder 2
Yes
KF755 Secret
2.0, A2DP
Positioning
Folder 2
GPS
KF755 Secret
No
NFC
Folder 2
No
KF755 Secret
-
Radio
Folder 2
FM radio
KF755 Secret
FM radio
USB
Folder 2
Yes
KF755 Secret
2.0
Sensors
Folder 2
KF755 Secret
Accelerometer
Messaging
Folder 2
SMS(threaded view), MMS, Email, Push Email, IM
KF755 Secret
SMS, EMS, MMS, Email
Games
Folder 2
Downloadable
KF755 Secret
6, incl. motion-based + downloadable
Java
Folder 2
No
KF755 Secret
Yes, MIDP 2.0
Browser
Folder 2
-
KF755 Secret
WAP 2.0/xHTML, HTML
Other
Folder 2
-
KF755 Secret
Carbon fiber battery cover MP3/WMA/AAC/AAC+ player MP4/DivX(up to 640x480) player TV-out Document viewer (Word, Excel, PowerPoint, PDF) Predictive text input Organizer Voice memo
Type
Folder 2
Li-Ion 1470 mAh, removable
KF755 Secret
Removable Li-Ion 800 mAh battery
Stand-by
Folder 2
-
KF755 Secret
Up to 275 h
Talk time
Folder 2
-
KF755 Secret
Up to 3 h 20 min
Colors
Folder 2
White, Platinum Gray
KF755 Secret
Black
Price
Folder 2
About 150 EUR
KF755 Secret
About 100 EUR
SAR
Folder 2
-
KF755 Secret
0.50 W/kg (head) 0.76 W/kg (body)