Screen size
GSmart Aku A14.5"
GSmart Sierra S1Winner: 5.0"+10%
Quick verdict
GSmart Sierra S1 leads the measured specs 7-1.
Measured wins
GSmart Aku A1
1
spec wins
Ties
9
equal specs
GSmart Sierra S1
7
spec wins
Overall winner
Screen size
Technology
GSmart Aku A1
GSM / HSPA
GSmart Sierra S1
GSM / HSPA
2G bands
GSmart Aku A1
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSmart Sierra S1
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
GSmart Aku A1
HSDPA 900 / 2100
GSmart Sierra S1
HSDPA 900 / 2100
Speed
GSmart Aku A1
HSPA
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 Aku A1
2013, July. Released 2013, July
GSmart Sierra S1
2013, June. Released 2013, October
Status
GSmart Aku A1
Discontinued
GSmart Sierra S1
Discontinued
Dimensions
GSmart Aku A1
136 x 67 x 12.4 mm (5.35 x 2.64 x 0.49 in)
GSmart Sierra S1
145.5 x 72.5 x 8.9 mm (5.73 x 2.85 x 0.35 in)
Weight
GSmart Aku A1
147.7 g (5.19 oz)
GSmart Sierra S1
168 g (5.93 oz)
SIM
GSmart Aku A1
Dual SIM (Mini-SIM, dual stand-by)
GSmart Sierra S1
Dual SIM (Mini-SIM, dual stand-by)
Type
GSmart Aku A1
TFT
GSmart Sierra S1
IPS LCD
Size
GSmart Aku A1
4.5 inches, 55.8 cm2 (~61.2% screen-to-body ratio)
GSmart Sierra S1
5.0 inches, 68.9 cm2 (~65.3% screen-to-body ratio)
Resolution
GSmart Aku A1
480 x 854 pixels, 16:9 ratio (~218 ppi density)
GSmart Sierra S1
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
OS
GSmart Aku A1
Android 4.2 (Jelly Bean)
GSmart Sierra S1
Android 4.2 (Jelly Bean)
Chipset
GSmart Aku A1
Mediatek MT6589 (28 nm)
GSmart Sierra S1
Mediatek MT6589 (28 nm)
CPU
GSmart Aku A1
Quad-core 1.2 GHz Cortex-A7
GSmart Sierra S1
Quad-core 1.5 GHz Cortex-A7
GPU
GSmart Aku A1
PowerVR SGX544
GSmart Sierra S1
PowerVR SGX544
Card slot
GSmart Aku A1
microSDHC (dedicated slot)
GSmart Sierra S1
microSDHC (dedicated slot)
Internal
GSmart Aku A1
4GB 1GB RAM
GSmart Sierra S1
4GB 1GB RAM
Single
GSmart Aku A1
5 MP, AF
GSmart Sierra S1
13 MP, AF
Features
GSmart Aku A1
LED flash
GSmart Sierra S1
LED flash
Video
GSmart Aku A1
Yes
GSmart Sierra S1
1080p@30fps
Single
GSmart Aku A1
VGA
GSmart Sierra S1
2 MP
Video
GSmart Aku A1
GSmart Sierra S1
720p
Loudspeaker
GSmart Aku A1
Yes
GSmart Sierra S1
Yes
3.5mm jack
GSmart Aku A1
Yes
GSmart Sierra S1
Yes
WLAN
GSmart Aku A1
Wi-Fi 802.11 b/g/n, hotspot
GSmart Sierra S1
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
GSmart Aku A1
3.0
GSmart Sierra S1
3.0
Positioning
GSmart Aku A1
GPS
GSmart Sierra S1
GPS
NFC
GSmart Aku A1
No
GSmart Sierra S1
No
Radio
GSmart Aku A1
FM radio
GSmart Sierra S1
FM radio
USB
GSmart Aku A1
microUSB 2.0
GSmart Sierra S1
microUSB 2.0
Sensors
GSmart Aku A1
Accelerometer, proximity
GSmart Sierra S1
Accelerometer, proximity, compass
Type
GSmart Aku A1
Li-Ion 2000 mAh, removable
GSmart Sierra S1
Li-Ion 2000 mAh, removable
Stand-by
GSmart Aku A1
Up to 333 h
GSmart Sierra S1
Up to 600 h
Talk time
GSmart Aku A1
Up to 5 h
GSmart Sierra S1
Up to 4 h 30 min
Colors
GSmart Aku A1
Black, White
GSmart Sierra S1
Black/White
Price
GSmart Aku A1
About 150 EUR
GSmart Sierra S1
About 220 EUR