LG Optimus Black (White version) vs LG Q31: Which is better?

Screen size

Optimus Black (White version)4.0"

Q315.7"+30%

Technology

Optimus Black (White version)

GSM / HSPA

Q31

GSM / HSPA / LTE

2G bands

Optimus Black (White version)

GSM 850 / 900 / 1800 / 1900

Q31

GSM 850 / 900 / 1800 / 1900

3G bands

Optimus Black (White version)

HSDPA 900 / 1900 / 2100

Q31

HSDPA 850 / 900 / 1900 / 2100

Speed

Optimus Black (White version)

HSPA 7.2/5.76 Mbps

Resolution

Optimus Black (White version)480 × 800 px

Q31720 × 1520 px+65%

Refresh rate

Optimus Black (White version)—

Q31—

Peak brightness

Optimus Black (White version)—

Q31—

Pixel density

Optimus Black (White version)233 ppi

Q31295 ppi+21%

CPU speed

Optimus Black (White version)1.0 GHz Cortex-A8

Q31Octa-core 2.0 GHz Cortex-A53+50%

RAM

Optimus Black (White version)—

Q313.0 GB

Storage

Optimus Black (White version)2 GB

Q3132 GB+94%

Main camera

Optimus Black (White version)5.0 MP

Q3113.0 MP+62%

Front camera

Optimus Black (White version)2.0 MP

Q315.0 MP+60%

Battery

Optimus Black (White version)1,500 mAh

Q313,000 mAh+50%

Wired charging

Optimus Black (White version)—

Q31—

Weight

Optimus Black (White version)109 g+33%

Q31145 g

Thickness

Optimus Black (White version)9.2 mm

Q318.7 mm+5.7%

IP rating

Optimus Black (White version)—

Q31—

Wi‑Fi

Optimus Black (White version)Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot

Q31Wi-Fi 802.11 b/g/n, Wi-Fi Direct

Bluetooth

Optimus Black (White version)2.1, A2DP, EDR

Q315.0, A2DP, LE+58%

USB

equal specs

Optimus Black (White version)microUSB 2.0

Q31microUSB 2.0

5G support

equal specs

Optimus Black (White version)No

Q31No

NFC

Optimus Black (White version)—

Q31No

3.5mm jack

equal specs

Optimus Black (White version)Yes

Q31Yes

SD card

equal specs

Optimus Black (White version)Yes

Q31Yes

Stereo speakers

Optimus Black (White version)—

Q31—

4G bands

Optimus Black (White version)

Q31

LTE

Announced

Optimus Black (White version)

2011, July. Released 2011, July

Q31

2020, September 17. Released 2020, September 25

Status

Optimus Black (White version)

Discontinued

Q31

Discontinued

Dimensions

Optimus Black (White version)

122 x 64 x 9.2 mm (4.80 x 2.52 x 0.36 in)

Q31

147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)

Weight

Optimus Black (White version)

109 g (3.84 oz)

Q31

145 g (5.11 oz)

SIM

Optimus Black (White version)

Mini-SIM

Q31

Nano-SIM

Other

Optimus Black (White version)

Q31

MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions

Type

Optimus Black (White version)

IPS LCD

Q31

IPS LCD

Size

Optimus Black (White version)

4.0 inches, 45.5 cm2 (~58.3% screen-to-body ratio)

Q31

5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)

Resolution

Optimus Black (White version)

480 x 800 pixels, 5:3 ratio (~233 ppi density)

Q31

720 x 1520 pixels, 19:9 ratio (~295 ppi density)

Protection

Optimus Black (White version)

Corning Gorilla Glass

Q31

Other

Optimus Black (White version)

Optimus UI 2.0, Gesture UI 2.0

Q31

Optimus Black (White version)

Android 2.2 (Froyo), 2.3 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)

Q31

Android 10

Chipset

Optimus Black (White version)

TI OMAP 3630

Q31

Mediatek MT6762 Helio P22 (12 nm)

CPU

Optimus Black (White version)

1.0 GHz Cortex-A8

Q31

Octa-core 2.0 GHz Cortex-A53

GPU

Optimus Black (White version)

PowerVR SGX530

Q31

PowerVR GE8320

Card slot

Optimus Black (White version)

microSDHC (dedicated slot)

Q31

microSDXC

Internal

Optimus Black (White version)

2GB 512MB RAM

Q31

32GB 3GB RAM

Other

Optimus Black (White version)

Q31

eMMC 5.1

Single

Optimus Black (White version)

5 MP, AF

Q31

Features

Optimus Black (White version)

LED flash

Q31

LED flash, panorama, HDR

Video

Optimus Black (White version)

720p@30fps

Q31

1080p@30fps

Dual

Optimus Black (White version)

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 Black (White version)

2 MP

Q31

5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm

Video

Optimus Black (White version)

Q31

1080p@30fps

Loudspeaker

Optimus Black (White version)

Yes

Q31

Yes

3.5mm jack

Optimus Black (White version)

Yes

Q31

Yes

WLAN

Optimus Black (White version)

Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot

Q31

Wi-Fi 802.11 b/g/n, Wi-Fi Direct

Bluetooth

Optimus Black (White version)

2.1, A2DP, EDR

Q31

5.0, A2DP, LE

Positioning

Optimus Black (White version)

GPS, A-GPS

Q31

GPS

Radio

Optimus Black (White version)

Stereo FM radio, RDS

Q31

USB

Optimus Black (White version)

microUSB 2.0

Q31

microUSB 2.0

NFC

Optimus Black (White version)

Q31

Sensors

Optimus Black (White version)

Accelerometer, proximity, compass

Q31

Accelerometer

Other

Optimus Black (White version)

MP4/DivX/Xvid/H.264/WMV player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo/dial/commands Predictive text input

Q31

Type

Optimus Black (White version)

Removable Li-Ion 1500 mAh battery

Q31

Li-Ion 3000 mAh

Colors

Optimus Black (White version)

White

Q31

Silver

SAR EU

Optimus Black (White version)

1.27 W/kg (head)

Q31

Price

Optimus Black (White version)

About 140 EUR

Q31

About 150 EUR

Models

Optimus Black (White version)

Q31

LM-Q310N

Optimus Black (White version) vs Q31

Which is better?

Choose Optimus Black (White version) for

Choose Q31 for

Biggest differences

Optimus Black (White version)

Q31

Head-to-head comparison

Display

Specifications Comparison

Network

Performance

Cameras

Battery

Build

Connectivity

Display

Performance

Cameras

Battery

Build

Connectivity

Launch

Body

Display

Platform

Memory

Main Camera

Selfie camera

Sound

Comms

Features

Battery

Misc