Screen size
K22Winner: 6.2"+44%
Optimus Z3.5"
Quick verdict
K22 leads the measured specs 13-1.
Measured wins
K22
13
spec wins
Overall winner
Ties
4
equal specs
Optimus Z
1
spec wins
Screen size
Technology
K22
GSM / HSPA / LTE
Optimus Z
GSM / HSPA
2G bands
K22
GSM 850 / 900 / 1800 / 1900
Optimus Z
GSM 850 / 900 / 1800 / 1900
3G bands
K22
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil
Optimus Z
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
equal specsSD card
equal specsStereo speakers
Optimus Z
-
Speed
K22
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Optimus Z
HSPA 7.2/0.384 Mbps
Announced
K22
2020, September 12. Released 2020, September 12
Optimus Z
2010, April. Released 2010, July
Status
K22
Discontinued
Optimus Z
Discontinued
Dimensions
K22
155.7 x 75.4 x 8.4 mm (6.13 x 2.97 x 0.33 in)
Optimus Z
117.9 x 56.9 x 11 mm (4.64 x 2.24 x 0.43 in)
Weight
K22
169.5 g (6.00 oz)
Optimus Z
135 g (4.76 oz)
Build
K22
Glass front, plastic frame, plastic back
Optimus Z
-
SIM
K22
Nano-SIM + Nano-SIM
Optimus Z
Mini-SIM
Other
K22
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus Z
-
Type
K22
IPS LCD, 400 nits (typ)
Optimus Z
TFT, 256K colors
Size
K22
6.2 inches, 95.9 cm2 (~81.7% screen-to-body ratio)
Optimus Z
3.5 inches, 37.9 cm2 (~56.5% screen-to-body ratio)
Resolution
K22
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
Optimus Z
480 x 640 pixels, 4:3 ratio (~229 ppi density)
Protection
K22
-
Optimus Z
Corning Gorilla Glass
OS
K22
Android 10
Optimus Z
Android 2.1 (Eclair), upgradable to 2.2 (Froyo)
Chipset
K22
Qualcomm QM215 Snapdragon 215 (28 nm)
Optimus Z
Qualcomm QSD8250 Snapdragon S1
CPU
K22
Quad-core 1.3 GHz Cortex-A53
Optimus Z
1.0 GHz Scorpion
GPU
K22
Adreno 308
Optimus Z
Adreno 200
Card slot
K22
microSDXC
Optimus Z
microSDHC (dedicated slot), 4 GB included
Internal
K22
32GB 2GB RAM, 64GB 3GB RAM
Optimus Z
-
Other
K22
eMMC 5.1
Optimus Z
-
Dual
K22
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro)
Optimus Z
-
Features
K22
LED flash, HDR
Optimus Z
-
Video
K22
1080p@30fps
Optimus Z
720p
Single
K22
-
Optimus Z
5 MP, AF
Single
K22
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus Z
-
Video
K22
1080p@30fps
Optimus Z
-
Other
K22
-
Optimus Z
No
Loudspeaker
K22
Yes
Optimus Z
Yes
3.5mm jack
K22
Yes
Optimus Z
Yes
WLAN
K22
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus Z
Wi-Fi 802.11 b/g, DLNA, hotspot (Android 2.2)
Bluetooth
K22
5.0, A2DP, LE
Optimus Z
2.1, A2DP
Positioning
K22
GPS, GLONASS
Optimus Z
GPS, A-GPS
NFC
K22
No
Optimus Z
-
Radio
K22
FM radio (market/operator dependent)
Optimus Z
No
USB
K22
microUSB 2.0, OTG
Optimus Z
microUSB 2.0
Sensors
K22
Accelerometer, proximity, compass
Optimus Z
Accelerometer, proximity, compass
Browser
K22
-
Optimus Z
WAP 2.0/xHTML, HTML, Adobe Flash
Other
K22
-
Optimus Z
On-screen-phone function Drag & Shake file sharing TV Tuner (T-DMB) HDMI port MP3/WMA/AAC player DivX/MP4/H.263 player Organizer Document viewer Voice memo Predictive text input
Type
K22
Li-Po 3000 mAh
Optimus Z
Removable Li-Ion 1350 mAh battery
Stand-by
K22
-
Optimus Z
Up to 200 h
Talk time
K22
-
Optimus Z
Up to 4 h 10 min
Colors
K22
Titan, Blue
Optimus Z
Black, White, Pink
Models
K22
LMK200Z, LMK200E, LMK200B, LM-K200
Optimus Z
-
Price
K22
About 140 EUR
Optimus Z
-