Screen size
equal specsA9005.0"
S15.0"
Quick verdict
S1 leads the measured specs 11-0.
Measured wins
A900
0
spec wins
Ties
6
equal specs
S1
11
spec wins
Overall winner
Screen size
equal specsTechnology
A900
GSM / HSPA
S1
GSM / HSPA
2G bands
A900
GSM 900 / 1800 - SIM 1 & SIM 2
S1
GSM 900 / 1800 - SIM 1 & SIM 2
3G bands
A900
HSDPA 2100
S1
HSDPA 2100
Speed
A900
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
A900
2012, November. Released 2012, November
S1
2014, February. Released 2014, February
Status
A900
Discontinued
S1
Discontinued
Dimensions
A900
152.8 x 81.7 x 10.2 mm (6.02 x 3.22 x 0.40 in)
S1
144 x 71 x 8.9 mm (5.67 x 2.80 x 0.35 in)
Weight
A900
185 g (6.53 oz)
S1
137 g (4.83 oz)
SIM
A900
Dual SIM (Mini-SIM)
S1
Dual SIM
Type
A900
TFT
S1
IPS LCD
Size
A900
5.0 inches, 71.2 cm2 (~57.0% screen-to-body ratio)
S1
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
Resolution
A900
480 x 800 pixels, 5:3 ratio (~187 ppi density)
S1
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
OS
A900
Android 2.3.6 (Gingerbread)
S1
Android 4.2.1 (Jelly Bean)
CPU
A900
1.0 GHz
S1
Quad-core 1.5 GHz
Card slot
A900
microSDHC (dedicated slot)
S1
microSDHC (dedicated slot)
Internal
A900
-
S1
16GB 1GB RAM
Single
A900
5 MP
S1
13 MP, AF
Video
A900
Yes
S1
Yes
Features
A900
-
S1
LED flash
Single
A900
Yes
S1
8 MP
Video
A900
S1
Loudspeaker
A900
Yes
S1
Yes
3.5mm jack
A900
Yes
S1
Yes
WLAN
A900
Wi-Fi 802.11 b/g/n
S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
A900
Yes
S1
4.0, A2DP
Positioning
A900
GPS
S1
GPS
NFC
A900
No
S1
No
Radio
A900
FM radio
S1
FM radio
USB
A900
microUSB 2.0
S1
microUSB 2.0
Sensors
A900
Accelerometer
S1
Accelerometer, proximity
Other
A900
MP3/WAV/eAAC player MP4/H.264 player Document viewer Photo viewer/editor
S1
-
Type
A900
Li-Ion 2000 mAh battery
S1
Li-Ion 2300 mAh battery
Stand-by
A900
Up to 350 h
S1
-
Talk time
A900
Up to 8 h 20 min
S1
-
Colors
A900
Black
S1
Black
Price
A900
About 120 EUR
S1
-