Screen size
equal specsGSmart Alto A25.0"
GSmart Sierra S15.0"
Quick verdict
GSmart Sierra S1 leads the measured specs 7-0.
Measured wins
GSmart Alto A2
0
spec wins
Ties
10
equal specs
GSmart Sierra S1
7
spec wins
Overall winner
Screen size
equal specsTechnology
GSmart Alto A2
GSM / HSPA
GSmart Sierra S1
GSM / HSPA
2G bands
GSmart Alto A2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSmart Sierra S1
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
GSmart Alto A2
HSDPA 900 / 2100
GSmart Sierra S1
HSDPA 900 / 2100
Speed
GSmart Alto A2
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
equal specsWired 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
GSmart Sierra S1
HSPA 42.2/11.5 Mbps
Announced
GSmart Alto A2
2013, October. Released 2013, November
GSmart Sierra S1
2013, June. Released 2013, October
Status
GSmart Alto A2
Discontinued
GSmart Sierra S1
Discontinued
Dimensions
GSmart Alto A2
-
GSmart Sierra S1
145.5 x 72.5 x 8.9 mm (5.73 x 2.85 x 0.35 in)
Weight
GSmart Alto A2
-
GSmart Sierra S1
168 g (5.93 oz)
SIM
GSmart Alto A2
Dual SIM
GSmart Sierra S1
Dual SIM (Mini-SIM, dual stand-by)
Type
GSmart Alto A2
TFT
GSmart Sierra S1
IPS LCD
Size
GSmart Alto A2
5.0 inches, 68.9 cm2
GSmart Sierra S1
5.0 inches, 68.9 cm2 (~65.3% screen-to-body ratio)
Resolution
GSmart Alto A2
480 x 854 pixels, 16:9 ratio (~196 ppi density)
GSmart Sierra S1
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
GSmart Alto A2
Android 4.2 (Jelly Bean)
GSmart Sierra S1
Android 4.2 (Jelly Bean)
Chipset
GSmart Alto A2
Mediatek MT6572 (28 nm)
GSmart Sierra S1
Mediatek MT6589 (28 nm)
CPU
GSmart Alto A2
Dual-core 1.3 GHz Cortex-A7
GSmart Sierra S1
Quad-core 1.5 GHz Cortex-A7
GPU
GSmart Alto A2
Mali-400
GSmart Sierra S1
PowerVR SGX544
Card slot
GSmart Alto A2
microSDHC (dedicated slot)
GSmart Sierra S1
microSDHC (dedicated slot)
Internal
GSmart Alto A2
4GB 1GB RAM
GSmart Sierra S1
4GB 1GB RAM
Single
GSmart Alto A2
5 MP
GSmart Sierra S1
13 MP, AF
Features
GSmart Alto A2
LED flash
GSmart Sierra S1
LED flash
Video
GSmart Alto A2
Yes
GSmart Sierra S1
1080p@30fps
Single
GSmart Alto A2
VGA
GSmart Sierra S1
2 MP
Video
GSmart Alto A2
GSmart Sierra S1
720p
Loudspeaker
GSmart Alto A2
Yes
GSmart Sierra S1
Yes
3.5mm jack
GSmart Alto A2
Yes
GSmart Sierra S1
Yes
WLAN
GSmart Alto A2
Wi-Fi 802.11 b/g/n, hotspot
GSmart Sierra S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
GSmart Alto A2
3.0
GSmart Sierra S1
3.0
Positioning
GSmart Alto A2
GPS
GSmart Sierra S1
GPS
NFC
GSmart Alto A2
No
GSmart Sierra S1
No
Radio
GSmart Alto A2
FM radio
GSmart Sierra S1
FM radio
USB
GSmart Alto A2
microUSB 2.0
GSmart Sierra S1
microUSB 2.0
Sensors
GSmart Alto A2
Accelerometer, proximity
GSmart Sierra S1
Accelerometer, proximity, compass
Type
GSmart Alto A2
Li-Ion 2000 mAh, removable
GSmart Sierra S1
Li-Ion 2000 mAh, removable
Stand-by
GSmart Alto A2
Up to 150 h
GSmart Sierra S1
Up to 600 h
Talk time
GSmart Alto A2
Up to 3 h 30 min
GSmart Sierra S1
Up to 4 h 30 min
Colors
GSmart Alto A2
Black, White
GSmart Sierra S1
Black/White
Price
GSmart Alto A2
-
GSmart Sierra S1
About 220 EUR