Screen size
A1254.5"
S1Winner: 5.0"+10%
Quick verdict
S1 leads the measured specs 12-0.
Measured wins
A125
0
spec wins
Ties
5
equal specs
S1
12
spec wins
Overall winner
Screen size
Technology
A125
GSM / HSPA
S1
GSM / HSPA
2G bands
A125
GSM 900 / 1800 - SIM 1 & SIM 2
S1
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
A125
HSDPA 2100
S1
HSDPA 2100
Speed
A125
HSPA
S1
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
HSPA
Announced
A125
2014. Released 2014
S1
2014, February. Released 2014, February
Status
A125
Discontinued
S1
Discontinued
Dimensions
A125
138 x 68.5 x 10 mm (5.43 x 2.70 x 0.39 in)
S1
144 x 71 x 8.9 mm (5.67 x 2.80 x 0.35 in)
Weight
A125
78.2 (2.75 oz)
S1
137 g (4.83 oz)
SIM
A125
Dual SIM (Mini-SIM)
S1
Dual SIM
Type
A125
TFT
S1
IPS LCD
Size
A125
4.5 inches, 64.9 cm2 (~68.6% screen-to-body ratio)
S1
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
Resolution
A125
960 x 854 pixels (~286 ppi density)
S1
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
OS
A125
Android 4.2.2 (Jelly Bean)
S1
Android 4.2.1 (Jelly Bean)
CPU
A125
Dual-core 1.3 GHz
S1
Quad-core 1.5 GHz
Card slot
A125
microSDHC
S1
microSDHC (dedicated slot)
Internal
A125
4GB 512MB RAM
S1
16GB 1GB RAM
Single
A125
5 MP
S1
13 MP, AF
Video
A125
Yes
S1
Yes
Features
A125
-
S1
LED flash
Single
A125
1.3 MP
S1
8 MP
Video
A125
S1
Loudspeaker
A125
Yes
S1
Yes
3.5mm jack
A125
Yes
S1
Yes
WLAN
A125
Wi-Fi 802.11 b/g/n, hotspot
S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
A125
2.0
S1
4.0, A2DP
Positioning
A125
GPS
S1
GPS
NFC
A125
No
S1
No
Radio
A125
FM radio
S1
FM radio
USB
A125
microUSB 2.0
S1
microUSB 2.0
Sensors
A125
Accelerometer, proximity
S1
Accelerometer, proximity
Type
A125
Li-Ion 2000 mAh battery
S1
Li-Ion 2300 mAh battery
Colors
A125
White, Black
S1
Black
SAR EU
A125
0.74 W/kg (head) 0.68 W/kg (body)
S1
-
Price
A125
About 80 EUR
S1
-