Screen size
PrimeWinner: 4.5"+11%
Q520s4.0"
Quick verdict
Prime leads the measured specs 5-2.
Measured wins
Prime
5
spec wins
Overall winner
Ties
8
equal specs
Q520s
2
spec wins
Screen size
Technology
Prime
GSM / HSPA
Q520s
GSM / HSPA
2G bands
Prime
GSM 900 / 1800 - SIM 1 & SIM 2
Q520s
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Prime
HSDPA 2100
Q520s
HSDPA 2100
Speed
Prime
HSPA 21.1/5.76 Mbps
Q520s
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
HSPA 21.1/5.76 Mbps
Announced
Prime
2015, May. Released 2015, May
Q520s
2015, January. Released 2015, January
Status
Prime
Discontinued
Q520s
Discontinued
Dimensions
Prime
135 x 68 x 9.5 mm (5.31 x 2.68 x 0.37 in)
Q520s
-
Weight
Prime
-
Q520s
-
SIM
Prime
Dual SIM
Q520s
Dual SIM
Type
Prime
IPS LCD
Q520s
IPS LCD
Size
Prime
4.5 inches, 55.8 cm2 (~60.8% screen-to-body ratio)
Q520s
4.0 inches, 45.5 cm2
Resolution
Prime
480 x 854 pixels, 16:9 ratio (~218 ppi density)
Q520s
480 x 800 pixels, 5:3 ratio (~233 ppi density)
OS
Prime
Android 5.0 (Lollipop)
Q520s
Android 4.4.2 (KitKat)
Chipset
Prime
Mediatek MT6582M (28 nm)
Q520s
Mediatek MT6582M (28 nm)
CPU
Prime
Quad-core 1.3 GHz Cortex-A7
Q520s
Quad-core 1.3 GHz Cortex-A7
GPU
Prime
Mali-400MP2
Q520s
Mali-400MP2
Card slot
Prime
microSDHC
Q520s
microSDHC
Internal
Prime
8GB 1GB RAM
Q520s
4GB 512MB RAM
Single
Prime
5 MP, AF
Q520s
5 MP
Features
Prime
LED flash, panorama, HDR
Q520s
LED flash, panorama, HDR
Video
Prime
720p
Q520s
Yes
Single
Prime
VGA
Q520s
VGA
Video
Prime
Q520s
Loudspeaker
Prime
Yes
Q520s
Yes
3.5mm jack
Prime
Yes
Q520s
Yes
WLAN
Prime
Wi-Fi 802.11 b/g/n, hotspot
Q520s
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Prime
4.0, A2DP
Q520s
4.0, A2DP
Positioning
Prime
GPS
Q520s
GPS
NFC
Prime
No
Q520s
No
Radio
Prime
FM radio
Q520s
FM radio
USB
Prime
microUSB 2.0
Q520s
microUSB 2.0
Sensors
Prime
Accelerometer, proximity
Q520s
Accelerometer, proximity
Type
Prime
Li-Ion 1800 mAh, removable
Q520s
Li-Po 1820 mAh, removable
Stand-by
Prime
Up to 500 h (2G) / Up to 400 h (3G)
Q520s
Up to 610 h (2G) / Up to 527 h (3G)
Talk time
Prime
Up to 21 h (2G) / Up to 10 h (3G)
Q520s
Up to 19 h (2G) / Up to 11 h (3G)
Colors
Prime
Black, Blue, Red
Q520s
Black, White
SAR EU
Prime
0.89 W/kg (head) 0.71 W/kg (body)
Q520s
-
Price
Prime
About 80 EUR
Q520s
-