Screen size
K31Winner: 5.7"+18%
Optimus 4X HD P8804.7"
Quick verdict
K31 leads the measured specs 10-3.
Measured wins
K31
10
spec wins
Overall winner
Ties
4
equal specs
Optimus 4X HD P880
3
spec wins
Screen size
Technology
K31
GSM / CDMA / HSPA / LTE
Optimus 4X HD P880
GSM / HSPA
2G bands
K31
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Optimus 4X HD P880
GSM 850 / 900 / 1800 / 1900
3G bands
K31
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Optimus 4X HD P880
HSDPA 850 / 900 / 1900 / 2100
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
Optimus 4X HD P880
-
Speed
K31
HSPA, LTE
Optimus 4X HD P880
HSPA 21.1/5.76 Mbps
Announced
K31
2020, August 21. Released 2020, August 21
Optimus 4X HD P880
2012, February. Released 2012, June
Status
K31
Discontinued
Optimus 4X HD P880
Discontinued
Dimensions
K31
147.8 x 71.1 x 8.6 mm (5.82 x 2.80 x 0.34 in)
Optimus 4X HD P880
132.4 x 68.1 x 8.9 mm (5.21 x 2.68 x 0.35 in)
Weight
K31
146 g (5.15 oz)
Optimus 4X HD P880
133 g (4.69 oz)
SIM
K31
Nano-SIM + Nano-SIM
Optimus 4X HD P880
Mini-SIM
Other
K31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Optimus 4X HD P880
-
Type
K31
IPS LCD
Optimus 4X HD P880
True HD-IPS LCD
Size
K31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Optimus 4X HD P880
4.7 inches, 60.9 cm2 (~67.5% screen-to-body ratio)
Resolution
K31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Optimus 4X HD P880
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Protection
K31
-
Optimus 4X HD P880
Corning Gorilla Glass
Other
K31
-
Optimus 4X HD P880
Optimus UI v3.0
OS
K31
Android 10, LG UX 9.1
Optimus 4X HD P880
Android 4.0 (Ice Cream Sandwich), upgradable to 4.1 (Jelly Bean)
Chipset
K31
Mediatek MT6762 Helio P22 (12 nm)
Optimus 4X HD P880
Nvidia Tegra 3
CPU
K31
Octa-core 2.0 GHz Cortex-A53
Optimus 4X HD P880
Quad-core 1.5 GHz Cortex-A9
GPU
K31
PowerVR GE8320
Optimus 4X HD P880
ULP GeForce
Card slot
K31
microSDXC
Optimus 4X HD P880
microSDXC (dedicated slot)
Internal
K31
32GB 2GB RAM
Optimus 4X HD P880
16GB (12GB user available), 1GB RAM
Other
K31
eMMC 5.1
Optimus 4X HD P880
-
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
Optimus 4X HD P880
-
Features
K31
LED flash, panorama, HDR
Optimus 4X HD P880
LED flash
Video
K31
1080p@30fps
Optimus 4X HD P880
1080p@30fps
Single
K31
-
Optimus 4X HD P880
8 MP, AF
Single
K31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Optimus 4X HD P880
1.3 MP
Video
K31
1080p@30fps
Optimus 4X HD P880
Loudspeaker
K31
Yes
Optimus 4X HD P880
Yes
3.5mm jack
K31
Yes
Optimus 4X HD P880
Yes
WLAN
K31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimus 4X HD P880
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
K31
5.0, A2DP, LE
Optimus 4X HD P880
4.0, A2DP, LE
Positioning
K31
GPS
Optimus 4X HD P880
GPS, A-GPS
NFC
K31
No
Optimus 4X HD P880
Yes
Radio
K31
No
Optimus 4X HD P880
Stereo FM
USB
K31
microUSB 2.0
Optimus 4X HD P880
microUSB 2.0 (MHL TV-out)
Sensors
K31
Fingerprint (rear-mounted), accelerometer
Optimus 4X HD P880
Accelerometer, gyro, proximity, compass
Other
K31
-
Optimus 4X HD P880
DivX/Xvid/MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document editor Organizer Voice memo/dial/commands Predictive text input
Type
K31
Li-Ion 3000 mAh
Optimus 4X HD P880
Removable Li-Ion 2150 mAh battery
Stand-by
K31
-
Optimus 4X HD P880
Up to 730 h (2G) / Up to 686 h (3G)
Talk time
K31
-
Optimus 4X HD P880
Up to 9 h 20 min (2G) / Up to 10 h 50 min (3G)
Colors
K31
Gray
Optimus 4X HD P880
Black, White
Models
K31
LM-K300Q, LMK300, LGL355DL
Optimus 4X HD P880
P880
Price
K31
About 130 EUR
Optimus 4X HD P880
About 220 EUR
SAR
K31
-
Optimus 4X HD P880
0.51 W/kg (head) 0.74 W/kg (body)
SAR EU
K31
-
Optimus 4X HD P880
0.62 W/kg (head) 0.37 W/kg (body)