Screen size
Optimus L4 II Dual E4453.8"
Q31Winner: 5.7"+33%
Quick verdict
Q31 leads the measured specs 10-2.
Measured wins
Optimus L4 II Dual E445
2
spec wins
Ties
5
equal specs
Q31
10
spec wins
Overall winner
Screen size
Technology
Optimus L4 II Dual E445
GSM / HSPA
Q31
GSM / HSPA / LTE
2G bands
Optimus L4 II Dual E445
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
Optimus L4 II Dual E445
HSDPA 900 / 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
Speed
Optimus L4 II Dual E445
HSPA 7.2/5.76 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
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Q31
HSPA, LTE
4G bands
Optimus L4 II Dual E445
-
Q31
LTE
Announced
Optimus L4 II Dual E445
2013, June. Released 2013, July
Q31
2020, September 17. Released 2020, September 25
Status
Optimus L4 II Dual E445
Discontinued
Q31
Discontinued
Dimensions
Optimus L4 II Dual E445
112.8 x 64.7 x 11.9 mm (4.44 x 2.55 x 0.47 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
Optimus L4 II Dual E445
125 g (4.41 oz)
Q31
145 g (5.11 oz)
SIM
Optimus L4 II Dual E445
Dual SIM (dual stand-by)
Q31
Nano-SIM
Other
Optimus L4 II Dual E445
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
Optimus L4 II Dual E445
IPS LCD
Q31
IPS LCD
Size
Optimus L4 II Dual E445
3.8 inches, 43.0 cm2 (~58.9% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
Optimus L4 II Dual E445
320 x 480 pixels, 3:2 ratio (~152 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
OS
Optimus L4 II Dual E445
Android 4.1.2 (Jelly Bean)
Q31
Android 10
Chipset
Optimus L4 II Dual E445
Mediatek MT6575 (40 nm)
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
Optimus L4 II Dual E445
1.0 GHz Cortex-A9
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
Optimus L4 II Dual E445
PowerVR SGX531
Q31
PowerVR GE8320
Card slot
Optimus L4 II Dual E445
microSDHC (dedicated slot)
Q31
microSDXC
Internal
Optimus L4 II Dual E445
4GB 512MB RAM
Q31
32GB 3GB RAM
Other
Optimus L4 II Dual E445
-
Q31
eMMC 5.1
Single
Optimus L4 II Dual E445
3.15 MP
Q31
-
Features
Optimus L4 II Dual E445
LED flash
Q31
LED flash, panorama, HDR
Video
Optimus L4 II Dual E445
480p@30fps
Q31
1080p@30fps
Dual
Optimus L4 II Dual E445
-
Q31
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
Other
Optimus L4 II Dual E445
No
Q31
-
Single
Optimus L4 II Dual E445
-
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
Optimus L4 II Dual E445
-
Q31
1080p@30fps
Loudspeaker
Optimus L4 II Dual E445
Yes
Q31
Yes
3.5mm jack
Optimus L4 II Dual E445
Yes
Q31
Yes
WLAN
Optimus L4 II Dual E445
Wi-Fi 802.11 b/g/n, hotspot
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Optimus L4 II Dual E445
3.0, A2DP
Q31
5.0, A2DP, LE
Positioning
Optimus L4 II Dual E445
GPS
Q31
GPS
NFC
Optimus L4 II Dual E445
No
Q31
No
Radio
Optimus L4 II Dual E445
FM radio
Q31
No
USB
Optimus L4 II Dual E445
microUSB 2.0
Q31
microUSB 2.0
Sensors
Optimus L4 II Dual E445
Accelerometer, proximity, compass
Q31
Accelerometer
Type
Optimus L4 II Dual E445
Li-Ion 1700 mAh, removable
Q31
Li-Ion 3000 mAh
Stand-by
Optimus L4 II Dual E445
Up to 652 h
Q31
-
Talk time
Optimus L4 II Dual E445
Up to 10 h 30 min
Q31
-
Colors
Optimus L4 II Dual E445
Black, White
Q31
Silver
Models
Optimus L4 II Dual E445
E445
Q31
LM-Q310N
Price
Optimus L4 II Dual E445
About 110 EUR
Q31
About 150 EUR