Screen size
Q31Winner: 5.7"+61%
U85502.2"
Quick verdict
Q31 leads the measured specs 14-2.
Measured wins
Q31
14
spec wins
Overall winner
Ties
2
equal specs
U8550
2
spec wins
Screen size
Technology
Q31
GSM / HSPA / LTE
U8550
GSM / UMTS
2G bands
Q31
GSM 850 / 900 / 1800 / 1900
U8550
GSM 900 / 1800 / 1900
3G bands
Q31
HSDPA 850 / 900 / 1900 / 2100
U8550
UMTS 2100
4G bands
Q31
LTE
U8550
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
-
Speed
Q31
HSPA, LTE
U8550
Yes, 384 kbps
Announced
Q31
2020, September 17. Released 2020, September 25
U8550
2006, February
Status
Q31
Discontinued
U8550
Discontinued
Dimensions
Q31
147.9 x 71 x 8.7 mm (5.82 x 2.80 x 0.34 in)
U8550
90 x 55 x 24.7 mm (3.54 x 2.17 x 0.97 in)
Weight
Q31
145 g (5.11 oz)
U8550
135 g (4.76 oz)
SIM
Q31
Nano-SIM
U8550
Mini-SIM
Other
Q31
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
U8550
-
Type
Q31
IPS LCD
U8550
TFT, 256K colors
Size
Q31
5.7 inches, 81.1 cm2 (~77.2% screen-to-body ratio)
U8550
2.2 inches, 15.6 cm2 (~31.5% screen-to-body ratio)
Resolution
Q31
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
U8550
220 x 220 pixels, 1:1 ratio (~141 ppi density)
Other
Q31
-
U8550
Second external TFT display, 65K colors, (128 x 160 pixels), 1.3 inches Downloadable wallpapers
OS
Q31
Android 10
U8550
-
Chipset
Q31
Mediatek MT6762 Helio P22 (12 nm)
U8550
-
CPU
Q31
Octa-core 2.0 GHz Cortex-A53
U8550
-
GPU
Q31
PowerVR GE8320
U8550
-
Card slot
Q31
microSDXC
U8550
microSD (dedicated slot)
Internal
Q31
32GB 3GB RAM
U8550
20MB
Other
Q31
eMMC 5.1
U8550
-
Phonebook
Q31
-
U8550
Yes
Call records
Q31
-
U8550
10 dialed, 10 received, 10 missed calls
Dual
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
U8550
-
Features
Q31
LED flash, panorama, HDR
U8550
LED flash
Video
Q31
1080p@30fps
U8550
Yes
Single
Q31
-
U8550
1.3 MP
Single
Q31
5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm
U8550
VGA videocall camera
Video
Q31
1080p@30fps
U8550
Loudspeaker
Q31
Yes
U8550
Yes, with stereo speakers
3.5mm jack
Q31
Yes
U8550
No
Alert types
Q31
-
U8550
Vibration; Downloadable polyphonic, MP3, AAC ringtones
Other
Q31
-
U8550
3D surround
WLAN
Q31
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
U8550
No
Bluetooth
Q31
5.0, A2DP, LE
U8550
Yes
Positioning
Q31
GPS
U8550
No
NFC
Q31
No
U8550
-
Radio
Q31
No
U8550
No
USB
Q31
microUSB 2.0
U8550
Proprietary
Sensors
Q31
Accelerometer
U8550
Messaging
Q31
-
U8550
SMS, MMS, Email
Browser
Q31
-
U8550
WAP 2.0/xHTML
Games
Q31
-
U8550
Yes + downloadable
Java
Q31
-
U8550
Yes, MIDP 2.0
Other
Q31
-
U8550
MP3/AAC/MP4 player Predictive text input Organizer
Type
Q31
Li-Ion 3000 mAh
U8550
Removable Li-Ion 1440 mAh battery
Stand-by
Q31
-
U8550
Up to 220 h
Colors
Q31
Silver
U8550
Orange, Green, Silver
Models
Q31
LM-Q310N
U8550
-
Price
Q31
About 150 EUR
U8550
-