Screen size
A154.0"
A27 RetinaWinner: 4.3"+7%
Quick verdict
A27 Retina leads the measured specs 8-3.
Measured wins
A15
3
spec wins
Ties
5
equal specs
A27 Retina
8
spec wins
Overall winner
Screen size
Technology
A15
GSM / HSPA
A27 Retina
GSM / HSPA
2G bands
A15
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
A27 Retina
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
A15
HSDPA 2100
A27 Retina
HSDPA 2100
Speed
A15
HSPA 7.2/0.384 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain 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
A27 Retina
HSPA 7.2/0.384 Mbps
Announced
A15
2012
A27 Retina
2013, March. Released 2013, March
Status
A15
Discontinued
A27 Retina
Discontinued
Dimensions
A15
-
A27 Retina
133.6 x 66 x 9.1 mm (5.26 x 2.60 x 0.36 in)
Weight
A15
-
A27 Retina
126.5 g (4.44 oz)
SIM
A15
Dual SIM (Mini-SIM)
A27 Retina
Dual SIM (Mini-SIM)
Type
A15
TFT
A27 Retina
IPS LCD
Size
A15
4.0 inches, 45.5 cm2
A27 Retina
4.3 inches, 51.0 cm2 (~57.8% screen-to-body ratio)
Resolution
A15
480 x 800 pixels, 5:3 ratio (~233 ppi density)
A27 Retina
540 x 960 pixels, 16:9 ratio (~256 ppi density)
OS
A15
Android 4.0.4 (Ice Cream Sandwich)
A27 Retina
Android 4.1 (Jelly Bean)
CPU
A15
1.0 GHz
A27 Retina
Dual-core 1.2 GHz
Card slot
A15
microSDHC (dedicated slot)
A27 Retina
microSDHC (dedicated slot)
Internal
A15
4GB (2.5GB user available), 512MB RAM
A27 Retina
4GB 512MB RAM
Single
A15
3.15 MP
A27 Retina
8 MP, AF
Video
A15
Yes
A27 Retina
Yes
Features
A15
-
A27 Retina
LED flash
Other
A15
No
A27 Retina
-
Single
A15
-
A27 Retina
2 MP
Video
A15
-
A27 Retina
Loudspeaker
A15
Yes
A27 Retina
Yes
3.5mm jack
A15
Yes
A27 Retina
Yes
WLAN
A15
Wi-Fi 802.11 b/g/n
A27 Retina
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
A15
2.0
A27 Retina
Yes
Positioning
A15
GPS
A27 Retina
GPS
NFC
A15
No
A27 Retina
No
Radio
A15
FM radio
A27 Retina
FM radio
USB
A15
microUSB 2.0
A27 Retina
Proprietary
Sensors
A15
Accelerometer
A27 Retina
Accelerometer
Type
A15
Li-Ion 1420 mAh, removable
A27 Retina
Li-Ion 1800 mAh battery
Stand-by
A15
Up to 150 h
A27 Retina
Up to 180 h
Talk time
A15
-
A27 Retina
Up to 4 h
Colors
A15
Black
A27 Retina
Black
SAR
A15
0.59 W/kg (head)
A27 Retina
-
Price
A15
About 80 EUR
A27 Retina
About 160 EUR
SAR EU
A15
-
A27 Retina
1.00 W/kg (head)