Screen size
equal specsQ54+5.0"
S15.0"
Quick verdict
S1 leads the measured specs 10-1.
Measured wins
Q54+
1
spec wins
Ties
6
equal specs
S1
10
spec wins
Overall winner
Screen size
equal specsTechnology
Q54+
GSM / HSPA
S1
GSM / HSPA
2G bands
Q54+
GSM 900 / 1800 - SIM 1 & SIM 2
S1
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
Q54+
HSDPA
S1
HSDPA 2100
Speed
Q54+
HSPA
S1
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
HSPA
GPRS
Q54+
Yes
S1
-
EDGE
Q54+
Yes
S1
-
Announced
Q54+
2015, March. Released 2015, March
S1
2014, February. Released 2014, February
Status
Q54+
Discontinued
S1
Discontinued
Dimensions
Q54+
145 x 73 x 8.8 mm (5.71 x 2.87 x 0.35 in)
S1
144 x 71 x 8.9 mm (5.67 x 2.80 x 0.35 in)
Weight
Q54+
150.6 g (5.33 oz)
S1
137 g (4.83 oz)
SIM
Q54+
Dual SIM
S1
Dual SIM
Type
Q54+
IPS LCD
S1
IPS LCD
Size
Q54+
5.0 inches, 68.9 cm2 (~65.1% screen-to-body ratio)
S1
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
Resolution
Q54+
480 x 854 pixels, 16:9 ratio (~196 ppi density)
S1
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
OS
Q54+
Android 4.4.2 (KitKat)
S1
Android 4.2.1 (Jelly Bean)
Chipset
Q54+
Spreadtrum 7731
S1
-
CPU
Q54+
Quad-core 1.2 GHz
S1
Quad-core 1.5 GHz
GPU
Q54+
Mali-400
S1
-
Card slot
Q54+
microSDHC
S1
microSDHC (dedicated slot)
Internal
Q54+
8GB 1GB RAM
S1
16GB 1GB RAM
Single
Q54+
5 MP, AF
S1
13 MP, AF
Features
Q54+
LED flash
S1
LED flash
Video
Q54+
Yes
S1
Yes
Single
Q54+
5 MP
S1
8 MP
Video
Q54+
S1
Loudspeaker
Q54+
Yes
S1
Yes
3.5mm jack
Q54+
Yes
S1
Yes
WLAN
Q54+
Wi-Fi 802.11 b/g/n
S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Q54+
2.0
S1
4.0, A2DP
Positioning
Q54+
GPS
S1
GPS
NFC
Q54+
No
S1
No
Radio
Q54+
FM radio
S1
FM radio
USB
Q54+
microUSB
S1
microUSB 2.0
Sensors
Q54+
Accelerometer
S1
Accelerometer, proximity
Type
Q54+
Li-Ion 2000 mAh battery
S1
Li-Ion 2300 mAh battery
Colors
Q54+
Blue, Brown, White, Silver
S1
Black
SAR EU
Q54+
0.16 W/kg (head) 0.30 W/kg (body)
S1
-