Screen size
equal specsA550S IPS4.0"
Q520s4.0"
Quick verdict
Q520s leads the measured specs 3-1.
Measured wins
A550S IPS
1
spec wins
Ties
10
equal specs
Q520s
3
spec wins
Overall winner
Screen size
equal specsTechnology
A550S IPS
GSM / HSPA
Q520s
GSM / HSPA
2G bands
A550S IPS
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Q520s
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A550S IPS
HSDPA 2100
Q520s
HSDPA 2100
Speed
A550S IPS
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
equal specsMain camera
equal specsFront 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
Q520s
HSPA 21.1/5.76 Mbps
Announced
A550S IPS
2014, July. Released 2014, July
Q520s
2015, January. Released 2015, January
Status
A550S IPS
Discontinued
Q520s
Discontinued
Dimensions
A550S IPS
125 x 63.9 x 9.1 mm (4.92 x 2.52 x 0.36 in)
Q520s
-
Weight
A550S IPS
-
Q520s
-
SIM
A550S IPS
Dual SIM
Q520s
Dual SIM
Type
A550S IPS
IPS LCD, 256K colors
Q520s
IPS LCD
Size
A550S IPS
4.0 inches, 45.5 cm2 (~57.0% screen-to-body ratio)
Q520s
4.0 inches, 45.5 cm2
Resolution
A550S IPS
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Q520s
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
A550S IPS
Android 4.2.2 (Jelly Bean)
Q520s
Android 4.4.2 (KitKat)
Chipset
A550S IPS
Mediatek MT6572M (28 nm)
Q520s
Mediatek MT6582M (28 nm)
CPU
A550S IPS
Dual-core 1.0 GHz Cortex-A7
Q520s
Quad-core 1.3 GHz Cortex-A7
GPU
A550S IPS
Mali-400
Q520s
Mali-400MP2
Card slot
A550S IPS
microSDHC
Q520s
microSDHC
Internal
A550S IPS
4GB 512MB RAM
Q520s
4GB 512MB RAM
Single
A550S IPS
5 MP
Q520s
5 MP
Features
A550S IPS
LED flash, panorama, HDR
Q520s
LED flash, panorama, HDR
Video
A550S IPS
Q520s
Yes
Single
A550S IPS
VGA
Q520s
VGA
Video
A550S IPS
Q520s
Loudspeaker
A550S IPS
Yes
Q520s
Yes
3.5mm jack
A550S IPS
Yes
Q520s
Yes
WLAN
A550S IPS
Wi-Fi 802.11 b/g/n, hotspot
Q520s
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
A550S IPS
3.0
Q520s
4.0, A2DP
Positioning
A550S IPS
GPS
Q520s
GPS
NFC
A550S IPS
No
Q520s
No
Radio
A550S IPS
FM radio
Q520s
FM radio
USB
A550S IPS
microUSB 2.0
Q520s
microUSB 2.0
Sensors
A550S IPS
Accelerometer, proximity
Q520s
Accelerometer, proximity
Type
A550S IPS
Li-Ion 1400 mAh, removable
Q520s
Li-Po 1820 mAh, removable
Stand-by
A550S IPS
Up to 600 h (2G) / Up to 570 h (3G)
Q520s
Up to 610 h (2G) / Up to 527 h (3G)
Talk time
A550S IPS
Up to 21 h (2G) / Up to 8 h 30 min (3G)
Q520s
Up to 19 h (2G) / Up to 11 h (3G)
Colors
A550S IPS
White
Q520s
Black, White