Screen size
K31Winner: 5.7"+47%
SU9203.0"
Quick verdict
K31 leads the measured specs 12-1.
Measured wins
K31
12
spec wins
Overall winner
Ties
4
equal specs
SU920
1
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
SU920
GSM
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
SU920
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
SU920
TD-SCDMA
4G bands
K31
2, 4, 5, 12, 13, 25, 26, 41, 66, 71
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
SU920
-
Speed
K31
HSPA, LTE
SU920
TD-SCDMA
GPRS
K31
-
SU920
Class 10
EDGE
K31
-
SU920
Class 10
Announced
K31
2020, August 21. Released 2020, August 21
SU920
2010, April. Released 2010, July
Status
K31
Discontinued
SU920
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
SU920
109.3 x 52.5 x 11.7 mm (4.30 x 2.07 x 0.46 in)
Weight
K31
146 g (5.15 oz)
SU920
97 g (3.42 oz)
SIM
K31
Nano-SIM + Nano-SIM
SU920
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
SU920
-
Type
K31
IPS LCD
SU920
TFT, 256K colors
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
SU920
3.0 inches, 25.6 cm2 (~44.6% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
SU920
240 x 400 pixels, 5:3 ratio (~155 ppi density)
Other
K31
-
SU920
S-Class Touch UI
OS
K31
Android 10, LG UX 9.1
SU920
-
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
SU920
-
CPU
K31
Octa-core 2.0 GHz Cortex-A53
SU920
-
GPU
K31
PowerVR GE8320
SU920
-
Card slot
K31
microSDXC
SU920
microSDHC (dedicated slot)
Internal
K31
32GB 2GB RAM
SU920
-
Other
K31
eMMC 5.1
SU920
-
Phonebook
K31
-
SU920
Yes, Photocall
Call records
K31
-
SU920
Yes
Dual
K31
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
SU920
-
Features
K31
LED flash, panorama, HDR
SU920
-
Video
K31
1080p@30fps
SU920
Yes
Single
K31
-
SU920
3.2 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
SU920
-
Video
K31
1080p@30fps
SU920
-
Other
K31
-
SU920
No
Loudspeaker
K31
Yes
SU920
Yes
3.5mm jack
K31
Yes
SU920
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
SU920
No
Bluetooth
K31
5.0, A2DP, LE
SU920
2.1, A2DP
Positioning
K31
GPS
SU920
No
NFC
K31
No
SU920
-
Radio
K31
No
SU920
No
USB
K31
microUSB 2.0
SU920
microUSB 2.0
Sensors
K31
Fingerprint (rear-mounted), accelerometer
SU920
Accelerometer
Messaging
K31
-
SU920
SMS, MMS, Email
Browser
K31
-
SU920
WAP 2.0/xHTML, HTML
Games
K31
-
SU920
Yes
Java
K31
-
SU920
Yes, MIDP 2.1
Other
K31
-
SU920
TV Tuner (T-DMB) MP3/WMA/AAC player MP4/H.263 player Organizer Document viewer (Word, Excel, PowerPoint, PDF) Voice memo Predictive text input
Type
K31
Li-Ion 3000 mAh
SU920
Removable Li-Ion 900 mAh battery
Colors
K31
Gray
SU920
Black, White, Pink
Models
K31
LM-K300Q, LMK300, LGL355DL
SU920
-
Price
K31
About 130 EUR
SU920
-