Screen size
KF750 Secret2.4"
Q31Winner: 5.7"+58%
Quick verdict
Q31 leads the measured specs 13-1.
Measured wins
KF750 Secret
1
spec wins
Ties
3
equal specs
Q31
13
spec wins
Overall winner
Screen size
Technology
KF750 Secret
GSM / HSPA
Q31
GSM / HSPA / LTE
2G bands
KF750 Secret
GSM 900 / 1800 / 1900
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
KF750 Secret
HSDPA 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
Speed
KF750 Secret
HSPA 3.6/0.384 Mbps
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
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Q31
HSPA, LTE
4G bands
KF750 Secret
-
Q31
LTE
Announced
KF750 Secret
2008, April. Released 2008, June
Q31
2020, September 17. Released 2020, September 25
Status
KF750 Secret
Discontinued
Q31
Discontinued
Dimensions
KF750 Secret
102.8 x 50.8 x 11.8 mm (4.05 x 2.0 x 0.46 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
KF750 Secret
116 g (4.09 oz)
Q31
145 g (5.11 oz)
SIM
KF750 Secret
Mini-SIM
Q31
Nano-SIM
Other
KF750 Secret
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
KF750 Secret
TFT, 256K colors
Q31
IPS LCD
Size
KF750 Secret
2.4 inches, 17.8 cm2 (~34.2% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
KF750 Secret
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
KF750 Secret
Scratch-resistant glass
Q31
-
Other
KF750 Secret
Limited touchscreen functionality
Q31
-
Card slot
KF750 Secret
microSDHC (dedicated slot)
Q31
microSDXC
Phonebook
KF750 Secret
1000 entries, Photocall
Q31
-
Call records
KF750 Secret
40 dialed, 40 received, 40 missed calls
Q31
-
Internal
KF750 Secret
100MB
Q31
32GB 3GB RAM
Other
KF750 Secret
100 MB user available memory
Q31
eMMC 5.1
Single
KF750 Secret
5 MP, AF
Q31
-
Features
KF750 Secret
LED flash
Q31
LED flash, panorama, HDR
Video
KF750 Secret
480p@30fps, 320p@120fps
Q31
1080p@30fps
Dual
KF750 Secret
-
Q31
13 MP, f/1.8, 27mm (wide), 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 120˚ (ultrawide), 1/5.0", 1.12µm
Single
KF750 Secret
Videocall camera
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
KF750 Secret
Q31
1080p@30fps
Loudspeaker
KF750 Secret
Yes
Q31
Yes
Alert types
KF750 Secret
Vibration; Downloadable polyphonic, MP3 ringtones
Q31
-
3.5mm jack
KF750 Secret
No
Q31
Yes
WLAN
KF750 Secret
No
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
KF750 Secret
2.0, A2DP
Q31
5.0, A2DP, LE
Positioning
KF750 Secret
No
Q31
GPS
Radio
KF750 Secret
Stereo FM radio, RDS
Q31
No
USB
KF750 Secret
2.0
Q31
microUSB 2.0
NFC
KF750 Secret
-
Q31
No
Sensors
KF750 Secret
Accelerometer
Q31
Accelerometer
Messaging
KF750 Secret
SMS, EMS, MMS, Email
Q31
-
Browser
KF750 Secret
WAP 2.0/xHTML, HTML
Q31
-
Games
KF750 Secret
6, incl. motion-based + downloadable
Q31
-
Java
KF750 Secret
Yes, MIDP 2.0
Q31
-
Other
KF750 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
Q31
-
Type
KF750 Secret
Removable Li-Ion 800 mAh battery
Q31
Li-Ion 3000 mAh
Stand-by
KF750 Secret
Up to 260 h
Q31
-
Talk time
KF750 Secret
Up to 4 h
Q31
-
Colors
KF750 Secret
Black, Ruby Violet, Titan Gold
Q31
Silver
SAR
KF750 Secret
0.50 W/kg (head) 0.76 W/kg (body)
Q31
-
Price
KF750 Secret
About 100 EUR
Q31
About 150 EUR
Models
KF750 Secret
-
Q31
LM-Q310N
OS
KF750 Secret
-
Q31
Android 10
Chipset
KF750 Secret
-
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
KF750 Secret
-
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
KF750 Secret
-
Q31
PowerVR GE8320