Screen size
DoublePlay3.5"
Q31Winner: 5.7"+39%
Quick verdict
Q31 leads the measured specs 13-0.
Measured wins
DoublePlay
0
spec wins
Ties
4
equal specs
Q31
13
spec wins
Overall winner
Screen size
Technology
DoublePlay
GSM / HSPA
Q31
GSM / HSPA / LTE
2G bands
DoublePlay
GSM 850 / 900 / 1800 / 1900
Q31
GSM 850 / 900 / 1800 / 1900
3G bands
DoublePlay
HSDPA 850 / 900 / 1700 / 1900 / 2100
Q31
HSDPA 850 / 900 / 1900 / 2100
Speed
DoublePlay
HSPA 14.4/5.76 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
DoublePlay
-
Q31
LTE
Announced
DoublePlay
2011, October. Released 2011, October
Q31
2020, September 17. Released 2020, September 25
Status
DoublePlay
Discontinued
Q31
Discontinued
Dimensions
DoublePlay
121.9 x 64 x 16 mm (4.80 x 2.52 x 0.63 in)
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
Weight
DoublePlay
192 g (6.77 oz)
Q31
145 g (5.11 oz)
Keyboard
DoublePlay
QWERTY
Q31
-
SIM
DoublePlay
Mini-SIM
Q31
Nano-SIM
Other
DoublePlay
-
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
DoublePlay
TFT, 256K colors
Q31
IPS LCD
Size
DoublePlay
3.5 inches, 36.5 cm2 (~46.8% screen-to-body ratio)
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
Resolution
DoublePlay
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Other
DoublePlay
Secondary TFT, 256K colors, 320 x 480 pixels, 2 inches
Q31
-
OS
DoublePlay
Android 2.3 (Gingerbread)
Q31
Android 10
Chipset
DoublePlay
Qualcomm Snapdragon
Q31
Mediatek MT6762 Helio P22 (12 nm)
CPU
DoublePlay
1.0 GHz Scorpion
Q31
Octa-core 2.0 GHz Cortex-A53
GPU
DoublePlay
-
Q31
PowerVR GE8320
Card slot
DoublePlay
microSDHC (dedicated slot)
Q31
microSDXC
Internal
DoublePlay
2GB 512MB RAM
Q31
32GB 3GB RAM
Other
DoublePlay
-
Q31
eMMC 5.1
Single
DoublePlay
5 MP, AF
Q31
-
Features
DoublePlay
LED flash
Q31
LED flash, panorama, HDR
Video
DoublePlay
720p
Q31
1080p@30fps
Dual
DoublePlay
-
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
DoublePlay
No
Q31
-
Single
DoublePlay
-
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
Video
DoublePlay
-
Q31
1080p@30fps
Loudspeaker
DoublePlay
Yes
Q31
Yes
3.5mm jack
DoublePlay
Yes
Q31
Yes
WLAN
DoublePlay
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
DoublePlay
3.0, A2DP
Q31
5.0, A2DP, LE
Positioning
DoublePlay
GPS, A-GPS
Q31
GPS
Radio
DoublePlay
Stereo FM radio, RDS
Q31
No
USB
DoublePlay
microUSB 2.0
Q31
microUSB 2.0
NFC
DoublePlay
-
Q31
No
Sensors
DoublePlay
Accelerometer, proximity, compass
Q31
Accelerometer
Other
DoublePlay
MP4/H.263 player MP3/WAV/WMA/eAAC+ player Document viewer Organizer Voice memo/dial Predictive text input
Q31
-
Type
DoublePlay
Removable Li-Ion 1500 mAh battery
Q31
Li-Ion 3000 mAh
Stand-by
DoublePlay
Up to 250 h
Q31
-
Talk time
DoublePlay
Up to 3 h
Q31
-
Colors
DoublePlay
Black/Silver
Q31
Silver
SAR
DoublePlay
0.71 W/kg (head) 1.37 W/kg (body)
Q31
-
Price
DoublePlay
About 70 EUR
Q31
About 150 EUR
Models
DoublePlay
-
Q31
LM-Q310N