Screen size
K22Winner: 6.2"+61%
KF757 Secret2.4"
Quick verdict
K22 leads the measured specs 14-1.
Measured wins
K22
14
spec wins
Overall winner
Ties
3
equal specs
KF757 Secret
1
spec wins
Screen size
Technology
K22
GSM / HSPA / LTE
KF757 Secret
GSM / HSPA
2G bands
K22
GSM 850 / 900 / 1800 / 1900
KF757 Secret
GSM 900 / 1800 / 1900
3G bands
K22
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil
KF757 Secret
HSDPA 2100
4G bands
K22
1, 3, 5, 7, 8, 20, 28, 38, 40 - International, 1, 3, 7, 8, 20, 28 - Europe, 1, 3, 5, 7, 8, 20, 28, 40 - Brazil
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
KF757 Secret
-
Speed
K22
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
KF757 Secret
HSPA 3.6/0.384 Mbps
Announced
K22
2020, September 12. Released 2020, September 12
KF757 Secret
2008, April. Released 2008, June
Status
K22
Discontinued
KF757 Secret
Discontinued
Dimensions
K22
155.7 x 75.4 x 8.4 mm (6.13 x 2.97 x 0.33 in)
KF757 Secret
102.8 x 50.8 x 11.8 mm (4.05 x 2.0 x 0.46 in)
Weight
K22
169.5 g (6.00 oz)
KF757 Secret
116 g (4.09 oz)
Build
K22
Glass front, plastic frame, plastic back
KF757 Secret
-
SIM
K22
Nano-SIM + Nano-SIM
KF757 Secret
Mini-SIM
Other
K22
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
KF757 Secret
-
Type
K22
IPS LCD, 400 nits (typ)
KF757 Secret
TFT resistive touchscreen, 256K colors
Size
K22
6.2 inches, 95.9 cm2 (~81.7% screen-to-body ratio)
KF757 Secret
2.4 inches, 17.8 cm2 (~34.2% screen-to-body ratio)
Resolution
K22
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
KF757 Secret
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Protection
K22
-
KF757 Secret
Scratch-resistant glass
Other
K22
-
KF757 Secret
Limited touchscreen functionality
OS
K22
Android 10
KF757 Secret
-
Chipset
K22
Qualcomm QM215 Snapdragon 215 (28 nm)
KF757 Secret
-
CPU
K22
Quad-core 1.3 GHz Cortex-A53
KF757 Secret
-
GPU
K22
Adreno 308
KF757 Secret
-
Card slot
K22
microSDXC
KF757 Secret
microSDHC (dedicated slot)
Internal
K22
32GB 2GB RAM, 64GB 3GB RAM
KF757 Secret
100MB
Other
K22
eMMC 5.1
KF757 Secret
-
Phonebook
K22
-
KF757 Secret
1000 entries, Photocall
Call records
K22
-
KF757 Secret
40 dialed, 40 received, 40 missed calls
Dual
K22
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro)
KF757 Secret
-
Features
K22
LED flash, HDR
KF757 Secret
LED flash
Video
K22
1080p@30fps
KF757 Secret
480p@30fps, 320p@120fps
Single
K22
-
KF757 Secret
5 MP, AF
Single
K22
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
KF757 Secret
-
Video
K22
1080p@30fps
KF757 Secret
-
Other
K22
-
KF757 Secret
Videocall camera
Loudspeaker
K22
Yes
KF757 Secret
Yes
3.5mm jack
K22
Yes
KF757 Secret
No
WLAN
K22
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
KF757 Secret
Wi-Fi 802.11 b/g
Bluetooth
K22
5.0, A2DP, LE
KF757 Secret
2.0, A2DP
Positioning
K22
GPS, GLONASS
KF757 Secret
No
NFC
K22
No
KF757 Secret
-
Radio
K22
FM radio (market/operator dependent)
KF757 Secret
Stereo FM radio, RDS
USB
K22
microUSB 2.0, OTG
KF757 Secret
2.0
Sensors
K22
Accelerometer, proximity, compass
KF757 Secret
Accelerometer
Messaging
K22
-
KF757 Secret
SMS, EMS, MMS, Email
Browser
K22
-
KF757 Secret
WAP 2.0/xHTML, HTML
Games
K22
-
KF757 Secret
6, incl. motion-based + downloadable
Java
K22
-
KF757 Secret
Yes, MIDP 2.0
Other
K22
-
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
Type
K22
Li-Po 3000 mAh
KF757 Secret
Removable Li-Ion 800 mAh battery
Stand-by
K22
-
KF757 Secret
Up to 220 h
Talk time
K22
-
KF757 Secret
Up to 3 h 30 min
Colors
K22
Titan, Blue
KF757 Secret
Black, Ruby Violet, Titan Gold
Models
K22
LMK200Z, LMK200E, LMK200B, LM-K200
KF757 Secret
-
Price
K22
About 140 EUR
KF757 Secret
About 110 EUR
SAR
K22
-
KF757 Secret
0.53 W/kg (head) 0.24 W/kg (body)