Screen size
Q4554.5"
S1Winner: 5.0"+10%
Quick verdict
S1 leads the measured specs 8-2.
Measured wins
Q455
2
spec wins
Ties
7
equal specs
S1
8
spec wins
Overall winner
Screen size
Technology
Q455
GSM / HSPA
S1
GSM / HSPA
2G bands
Q455
GSM 900 / 1800 - SIM 1 & SIM 2
S1
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
Q455
HSDPA 2100
S1
HSDPA 2100
Speed
Q455
HSPA
S1
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front 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
HSPA
Announced
Q455
2014. Released 2014
S1
2014, February. Released 2014, February
Status
Q455
Discontinued
S1
Discontinued
Dimensions
Q455
136.5 x 68 x 7.9 mm (5.37 x 2.68 x 0.31 in)
S1
144 x 71 x 8.9 mm (5.67 x 2.80 x 0.35 in)
Weight
Q455
130 g (4.59 oz)
S1
137 g (4.83 oz)
SIM
Q455
Dual SIM (Mini-SIM)
S1
Dual SIM
Type
Q455
IPS LCD
S1
IPS LCD
Size
Q455
4.5 inches, 55.8 cm2 (~60.1% screen-to-body ratio)
S1
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
Resolution
Q455
540 x 960 pixels, 16:9 ratio (~245 ppi density)
S1
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
OS
Q455
Android 4.4.2 (KitKat)
S1
Android 4.2.1 (Jelly Bean)
CPU
Q455
Quad-core 1.2
S1
Quad-core 1.5 GHz
Card slot
Q455
microSDXC
S1
microSDHC (dedicated slot)
Internal
Q455
16GB 1GB RAM
S1
16GB 1GB RAM
Single
Q455
8 MP
S1
13 MP, AF
Video
Q455
Yes
S1
Yes
Features
Q455
-
S1
LED flash
Single
Q455
1.3 MP
S1
8 MP
Video
Q455
S1
Loudspeaker
Q455
Yes
S1
Yes
3.5mm jack
Q455
Yes
S1
Yes
WLAN
Q455
Wi-Fi 802.11 b/g/n, hotspot
S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Q455
2.1
S1
4.0, A2DP
Positioning
Q455
GPS
S1
GPS
NFC
Q455
No
S1
No
Radio
Q455
FM radio
S1
FM radio
USB
Q455
microUSB 2.0
S1
microUSB 2.0
Sensors
Q455
Accelerometer, proximity
S1
Accelerometer, proximity
Type
Q455
Li-Ion 2000 mAh, removable
S1
Li-Ion 2300 mAh battery
Talk time
Q455
Up to 6 h (3G)
S1
-
Colors
Q455
White, Black, Blue
S1
Black
SAR EU
Q455
0.47 W/kg (head) 0.41 W/kg (body)
S1
-
Price
Q455
About 100 EUR
S1
-