Screen size
C900 Optimus 7Q3.5"
K22Winner: 6.2"+44%
Quick verdict
K22 leads the measured specs 15-0.
Measured wins
C900 Optimus 7Q
0
spec wins
Ties
3
equal specs
K22
15
spec wins
Overall winner
Screen size
Technology
C900 Optimus 7Q
GSM / HSPA
K22
GSM / HSPA / LTE
2G bands
C900 Optimus 7Q
GSM 850 / 900 / 1800 / 1900
K22
GSM 850 / 900 / 1800 / 1900
3G bands
C900 Optimus 7Q
HSDPA 900 / 1900 / 2100 , HSDPA 850 / 1900 / 2100 - North America
K22
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil
Speed
C900 Optimus 7Q
HSPA 7.2/0.384 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
equal specsSD card
Stereo speakers
K22
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
4G bands
C900 Optimus 7Q
-
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
Announced
C900 Optimus 7Q
2010, October. Released 2010, October
K22
2020, September 12. Released 2020, September 12
Status
C900 Optimus 7Q
Discontinued
K22
Discontinued
Dimensions
C900 Optimus 7Q
119.5 x 59.5 x 15.2 mm (4.70 x 2.34 x 0.60 in)
K22
155.7 x 75.4 x 8.4 mm (6.13 x 2.97 x 0.33 in)
Weight
C900 Optimus 7Q
178 g (6.28 oz)
K22
169.5 g (6.00 oz)
Keyboard
C900 Optimus 7Q
QWERTY
K22
-
SIM
C900 Optimus 7Q
Mini-SIM
K22
Nano-SIM + Nano-SIM
Build
C900 Optimus 7Q
-
K22
Glass front, plastic frame, plastic back
Other
C900 Optimus 7Q
-
K22
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
C900 Optimus 7Q
TFT
K22
IPS LCD, 400 nits (typ)
Size
C900 Optimus 7Q
3.5 inches, 34.9 cm2 (~49.0% screen-to-body ratio)
K22
6.2 inches, 95.9 cm2 (~81.7% screen-to-body ratio)
Resolution
C900 Optimus 7Q
480 x 800 pixels, 5:3 ratio (~267 ppi density)
K22
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
Protection
C900 Optimus 7Q
Corning Gorilla Glass
K22
-
OS
C900 Optimus 7Q
Microsoft Windows Phone 7
K22
Android 10
Chipset
C900 Optimus 7Q
Qualcomm QSD8650 Snapdragon S1
K22
Qualcomm QM215 Snapdragon 215 (28 nm)
CPU
C900 Optimus 7Q
1.0 GHz Scorpion
K22
Quad-core 1.3 GHz Cortex-A53
GPU
C900 Optimus 7Q
Adreno 200
K22
Adreno 308
Card slot
C900 Optimus 7Q
No
K22
microSDXC
Internal
C900 Optimus 7Q
16GB 512MB RAM
K22
32GB 2GB RAM, 64GB 3GB RAM
Other
C900 Optimus 7Q
-
K22
eMMC 5.1
Single
C900 Optimus 7Q
5 MP, AF
K22
-
Features
C900 Optimus 7Q
LED flash
K22
LED flash, HDR
Video
C900 Optimus 7Q
720p
K22
1080p@30fps
Dual
C900 Optimus 7Q
-
K22
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro)
Other
C900 Optimus 7Q
No
K22
-
Single
C900 Optimus 7Q
-
K22
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
C900 Optimus 7Q
-
K22
1080p@30fps
Loudspeaker
C900 Optimus 7Q
Yes
K22
Yes
3.5mm jack
C900 Optimus 7Q
Yes
K22
Yes
WLAN
C900 Optimus 7Q
Wi-Fi 802.11 b/g/n, DLNA
K22
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
C900 Optimus 7Q
2.1, A2DP
K22
5.0, A2DP, LE
Positioning
C900 Optimus 7Q
GPS, A-GPS
K22
GPS, GLONASS
Radio
C900 Optimus 7Q
Stereo FM radio
K22
FM radio (market/operator dependent)
USB
C900 Optimus 7Q
microUSB 2.0
K22
microUSB 2.0, OTG
NFC
C900 Optimus 7Q
-
K22
No
Sensors
C900 Optimus 7Q
Accelerometer, proximity, compass
K22
Accelerometer, proximity, compass
Browser
C900 Optimus 7Q
HTML
K22
-
Other
C900 Optimus 7Q
MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Organizer Document viewer/editor Voice memo Predictive text input
K22
-
Type
C900 Optimus 7Q
Removable Li-Ion 1500 mAh battery
K22
Li-Po 3000 mAh
Stand-by
C900 Optimus 7Q
Up to 350 h
K22
-
Talk time
C900 Optimus 7Q
Up to 7 h
K22
-
Colors
C900 Optimus 7Q
Black
K22
Titan, Blue
SAR
C900 Optimus 7Q
0.35 W/kg (head) 0.30 W/kg (body)
K22
-
Models
C900 Optimus 7Q
-
K22
LMK200Z, LMK200E, LMK200B, LM-K200
Price
C900 Optimus 7Q
-
K22
About 140 EUR