Screen size
KF757 Secret2.4"
Q31Winner: 5.7"+58%
Quick verdict
Q31 leads the measured specs 13-1.
Measured wins
KF757 Secret
1
spec wins
Ties
3
equal specs
Q31
13
spec wins
Overall winner
Screen size
Technology
KF757 Secret
GSM / HSPA
Q31
GSM / HSPA / LTE
2G bands
KF757 Secret
GSM 900 / 1800 / 1900
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
KF757 Secret
HSDPA 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
Speed
KF757 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
KF757 Secret
-
Q31
LTE
Announced
KF757 Secret
2008, April. Released 2008, June
Q31
2020, September 17. Released 2020, September 25
Status
KF757 Secret
Discontinued
Q31
Discontinued
Dimensions
KF757 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
KF757 Secret
116 g (4.09 oz)
Q31
145 g (5.11 oz)
SIM
KF757 Secret
Mini-SIM
Q31
Nano-SIM
Other
KF757 Secret
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
KF757 Secret
TFT resistive touchscreen, 256K colors
Q31
IPS LCD
Size
KF757 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
KF757 Secret
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
KF757 Secret
Scratch-resistant glass
Q31
-
Other
KF757 Secret
Limited touchscreen functionality
Q31
-
Card slot
KF757 Secret
microSDHC (dedicated slot)
Q31
microSDXC
Phonebook
KF757 Secret
1000 entries, Photocall
Q31
-
Call records
KF757 Secret
40 dialed, 40 received, 40 missed calls
Q31
-
Internal
KF757 Secret
100MB
Q31
32GB 3GB RAM
Other
KF757 Secret
-
Q31
eMMC 5.1
Single
KF757 Secret
5 MP, AF
Q31
-
Features
KF757 Secret
LED flash
Q31
LED flash, panorama, HDR
Video
KF757 Secret
480p@30fps, 320p@120fps
Q31
1080p@30fps
Dual
KF757 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
Other
KF757 Secret
Videocall camera
Q31
-
Single
KF757 Secret
-
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
KF757 Secret
-
Q31
1080p@30fps
Loudspeaker
KF757 Secret
Yes
Q31
Yes
3.5mm jack
KF757 Secret
No
Q31
Yes
WLAN
KF757 Secret
Wi-Fi 802.11 b/g
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
KF757 Secret
2.0, A2DP
Q31
5.0, A2DP, LE
Positioning
KF757 Secret
No
Q31
GPS
Radio
KF757 Secret
Stereo FM radio, RDS
Q31
No
USB
KF757 Secret
2.0
Q31
microUSB 2.0
NFC
KF757 Secret
-
Q31
No
Sensors
KF757 Secret
Accelerometer
Q31
Accelerometer
Messaging
KF757 Secret
SMS, EMS, MMS, Email
Q31
-
Browser
KF757 Secret
WAP 2.0/xHTML, HTML
Q31
-
Games
KF757 Secret
6, incl. motion-based + downloadable
Q31
-
Java
KF757 Secret
Yes, MIDP 2.0
Q31
-
Other
KF757 Secret
Carbon fiber battery cover MP3/WMA/AAC/AAC+ player MP4/DivX(up to 640x480) player Document viewer (Word, Excel, PowerPoint, PDF) Organizer Voice memo TV-out Predictive text input
Q31
-
Type
KF757 Secret
Removable Li-Ion 800 mAh battery
Q31
Li-Ion 3000 mAh
Stand-by
KF757 Secret
Up to 220 h
Q31
-
Talk time
KF757 Secret
Up to 3 h 30 min
Q31
-
Colors
KF757 Secret
Black, Ruby Violet, Titan Gold
Q31
Silver
SAR
KF757 Secret
0.53 W/kg (head) 0.24 W/kg (body)
Q31
-
Price
KF757 Secret
About 110 EUR
Q31
About 150 EUR
Models
KF757 Secret
-
Q31
LM-Q310N
OS
KF757 Secret
-
Q31
Android 10
Chipset
KF757 Secret
-
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
KF757 Secret
-
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
KF757 Secret
-
Q31
PowerVR GE8320