Screen size
K22Winner: 6.2"+27%
Optimus LTE SU6404.5"
Quick verdict
K22 leads the measured specs 11-3.
Measured wins
K22
11
spec wins
Overall winner
Ties
4
equal specs
Optimus LTE SU640
3
spec wins
Screen size
Technology
K22
GSM / HSPA / LTE
Optimus LTE SU640
GSM / HSPA / LTE
2G bands
K22
GSM 850 / 900 / 1800 / 1900
Optimus LTE SU640
GSM 850 / 900 / 1800 / 1900
3G bands
K22
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Brazil
Optimus LTE SU640
HSDPA 850 / 1900
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 LTE SU640
LTE 800
Speed
K22
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Optimus LTE SU640
HSPA, LTE
Announced
K22
2020, September 12. Released 2020, September 12
Optimus LTE SU640
2011, October. Released 2012, August
Status
K22
Discontinued
Optimus LTE SU640
Discontinued
Dimensions
K22
155.7 x 75.4 x 8.4 mm (6.13 x 2.97 x 0.33 in)
Optimus LTE SU640
132.9 x 67.9 x 10.4 mm (5.23 x 2.67 x 0.41 in)
Weight
K22
169.5 g (6.00 oz)
Optimus LTE SU640
135 g (4.76 oz)
Build
K22
Glass front, plastic frame, plastic back
Optimus LTE SU640
-
SIM
K22
Nano-SIM + Nano-SIM
Optimus LTE SU640
Mini-SIM
Other
K22
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus LTE SU640
-
Type
K22
IPS LCD, 400 nits (typ)
Optimus LTE SU640
HD-IPS LCD
Size
K22
6.2 inches, 95.9 cm2 (~81.7% screen-to-body ratio)
Optimus LTE SU640
4.5 inches, 55.8 cm2 (~61.9% screen-to-body ratio)
Resolution
K22
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
Optimus LTE SU640
720 x 1280 pixels, 16:9 ratio (~326 ppi density)
Other
K22
-
Optimus LTE SU640
True HD Graphic Engine
OS
K22
Android 10
Optimus LTE SU640
Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Chipset
K22
Qualcomm QM215 Snapdragon 215 (28 nm)
Optimus LTE SU640
Qualcomm MSM8660 Snapdragon S3
CPU
K22
Quad-core 1.3 GHz Cortex-A53
Optimus LTE SU640
Dual-core 1.5 GHz Scorpion
GPU
K22
Adreno 308
Optimus LTE SU640
Adreno 220
Card slot
K22
microSDXC
Optimus LTE SU640
microSDHC (dedicated slot), 16 GB included
Internal
K22
32GB 2GB RAM, 64GB 3GB RAM
Optimus LTE SU640
4GB 1GB RAM
Other
K22
eMMC 5.1
Optimus LTE SU640
-
Dual
K22
13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro)
Optimus LTE SU640
-
Features
K22
LED flash, HDR
Optimus LTE SU640
LED flash
Video
K22
1080p@30fps
Optimus LTE SU640
1080p@30fps
Single
K22
-
Optimus LTE SU640
8 MP, AF
Single
K22
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus LTE SU640
1.3 MP
Video
K22
1080p@30fps
Optimus LTE SU640
Loudspeaker
K22
Yes
Optimus LTE SU640
Yes
3.5mm jack
K22
Yes
Optimus LTE SU640
Yes
WLAN
K22
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus LTE SU640
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
K22
5.0, A2DP, LE
Optimus LTE SU640
3.0, A2DP
Positioning
K22
GPS, GLONASS
Optimus LTE SU640
GPS, A-GPS
NFC
K22
No
Optimus LTE SU640
-
Radio
K22
FM radio (market/operator dependent)
Optimus LTE SU640
No
USB
K22
microUSB 2.0, OTG
Optimus LTE SU640
microUSB 2.0 (MHL TV-out)
Sensors
K22
Accelerometer, proximity, compass
Optimus LTE SU640
Accelerometer, gyro, proximity, compass
Other
K22
-
Optimus LTE SU640
T-DMB TV tuner MP4/H.264/WMV/DviX player MP3/WMA/WAV/FLAC/eAAC+ player True HD movie editor Document viewer/editor Organizer Voice memo/dial/commands Predictive text input
Type
K22
Li-Po 3000 mAh
Optimus LTE SU640
Removable Li-Ion 1830 mAh battery
Stand-by
K22
-
Optimus LTE SU640
Up to 400 h
Talk time
K22
-
Optimus LTE SU640
Up to 7 h
Colors
K22
Titan, Blue
Optimus LTE SU640
Black, White
Models
K22
LMK200Z, LMK200E, LMK200B, LM-K200
Optimus LTE SU640
-
Price
K22
About 140 EUR
Optimus LTE SU640
About 120 EUR