Screen size
Optimus 2X4.0"
Q31Winner: 5.7"+30%
Quick verdict
Q31 leads the measured specs 12-1.
Measured wins
Optimus 2X
1
spec wins
Ties
4
equal specs
Q31
12
spec wins
Overall winner
Screen size
Technology
Optimus 2X
GSM / HSPA
Q31
GSM / HSPA / LTE
2G bands
Optimus 2X
GSM 850 / 900 / 1800 / 1900
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
Optimus 2X
HSDPA 900 / 1900 / 2100 , HSDPA 900 / 1700 / 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
Speed
Optimus 2X
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
3.5mm jack
equal specsSD card
equal specsStereo speakers
Q31
HSPA, LTE
4G bands
Optimus 2X
-
Q31
LTE
Announced
Optimus 2X
2010, December. Released 2011, February
Q31
2020, September 17. Released 2020, September 25
Status
Optimus 2X
Discontinued
Q31
Discontinued
Dimensions
Optimus 2X
123.9 x 63.2 x 10.9 mm (4.88 x 2.49 x 0.43 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
Optimus 2X
139 g (4.90 oz)
Q31
145 g (5.11 oz)
SIM
Optimus 2X
Mini-SIM
Q31
Nano-SIM
Other
Optimus 2X
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
Optimus 2X
IPS LCD
Q31
IPS LCD
Size
Optimus 2X
4.0 inches, 45.5 cm2 (~58.2% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
Optimus 2X
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
Optimus 2X
Corning Gorilla Glass
Q31
-
OS
Optimus 2X
Android 2.2 (Froyo), 2.3, upgradable to 4.0 (Ice Cream Sandwich)
Q31
Android 10
Chipset
Optimus 2X
Nvidia Tegra 2 AP20H
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
Optimus 2X
Dual-core 1.0 GHz Cortex-A9
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
Optimus 2X
ULP GeForce
Q31
PowerVR GE8320
Card slot
Optimus 2X
microSDHC (dedicated slot)
Q31
microSDXC
Internal
Optimus 2X
8GB 512MB RAM
Q31
32GB 3GB RAM
Other
Optimus 2X
-
Q31
eMMC 5.1
Single
Optimus 2X
8 MP, AF
Q31
-
Features
Optimus 2X
LED flash
Q31
LED flash, panorama, HDR
Video
Optimus 2X
1080p@24fps, 720p@30fps
Q31
1080p@30fps
Dual
Optimus 2X
-
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
Single
Optimus 2X
1.3 MP
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
Optimus 2X
Q31
1080p@30fps
Loudspeaker
Optimus 2X
Yes
Q31
Yes
3.5mm jack
Optimus 2X
Yes
Q31
Yes
WLAN
Optimus 2X
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Optimus 2X
2.1, A2DP
Q31
5.0, A2DP, LE
Positioning
Optimus 2X
GPS, A-GPS
Q31
GPS
Radio
Optimus 2X
Stereo FM radio, RDS
Q31
No
USB
Optimus 2X
microUSB 2.0
Q31
microUSB 2.0
NFC
Optimus 2X
-
Q31
No
Sensors
Optimus 2X
Accelerometer, gyro, proximity, compass
Q31
Accelerometer
Browser
Optimus 2X
HTML, Adobe Flash
Q31
-
Other
Optimus 2X
HDMI port DivX/Xvid/MP4/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document editor Organizer Voice memo/dial/commands Predictive text input
Q31
-
Type
Optimus 2X
Removable Li-Ion 1500 mAh battery
Q31
Li-Ion 3000 mAh
Stand-by
Optimus 2X
Up to 400 h
Q31
-
Talk time
Optimus 2X
Up to 7 h 50 min
Q31
-
Colors
Optimus 2X
Black
Q31
Silver
SAR
Optimus 2X
0.27 W/kg (head) 0.62 W/kg (body)
Q31
-
SAR EU
Optimus 2X
0.55 W/kg (head) 0.90 W/kg (body)
Q31
-
Price
Optimus 2X
About 150 EUR
Q31
About 150 EUR
Models
Optimus 2X
-
Q31
LM-Q310N