Screen size
A8iWinner: 3.5"+8.6%
Vivaz3.2"
Quick verdict
Vivaz leads the measured specs 4-3.
Measured wins
A8i
3
spec wins
Ties
5
equal specs
Vivaz
4
spec wins
Overall winner
Screen size
Technology
A8i
GSM
Vivaz
GSM / HSPA
2G bands
A8i
GSM 850 / 900 / 1800 / 1900
Vivaz
GSM 850 / 900 / 1800 / 1900
3G bands
A8i
TD-SCDMA
Vivaz
HSDPA 900 / 2100 , HSDPA 850 / 1900 / 2100
Speed
A8i
TD-SCDMA
Vivaz
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
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
HSPA 10.2/2 Mbps
GPRS
A8i
Class 10
Vivaz
-
EDGE
A8i
Class 10
Vivaz
-
Announced
A8i
2010, August. Released 2010, Q4
Vivaz
2010, January. Released 2010, March
Status
A8i
Discontinued
Vivaz
Discontinued
Dimensions
A8i
117 x 59 x 14 mm (4.61 x 2.32 x 0.55 in)
Vivaz
107 x 51.7 x 12.5 mm (4.21 x 2.04 x 0.49 in)
Weight
A8i
136 g (4.80 oz)
Vivaz
97 g (3.42 oz)
SIM
A8i
Mini-SIM
Vivaz
Mini-SIM
Type
A8i
TFT, 256K colors
Vivaz
TFT resistive touchscreen, 16M colors
Size
A8i
3.5 inches, 33.8 cm2 (~48.9% screen-to-body ratio)
Vivaz
3.2 inches, 28.2 cm2 (~51.0% screen-to-body ratio)
Resolution
A8i
480 x 854 pixels, 16:9 ratio (~280 ppi density)
Vivaz
360 x 640 pixels, 16:9 ratio (~229 ppi density)
Protection
A8i
Scratch-resistant glass
Vivaz
-
Other
A8i
-
Vivaz
Handwriting recognition
OS
A8i
Android-based OPhone 2.0
Vivaz
Symbian Series 60, 5th edition
CPU
A8i
-
Vivaz
720 MHz, PowerVR SGX GPU
Card slot
A8i
microSDHC (dedicated slot)
Vivaz
microSDHC (dedicated slot), 8 GB included
Internal
A8i
200MB
Vivaz
75MB
Single
A8i
5 MP, AF
Vivaz
8 MP, AF
Features
A8i
LED flash
Vivaz
LED flash
Video
A8i
Yes
Vivaz
720p@24fps
Other
A8i
No
Vivaz
No
Loudspeaker
A8i
Yes
Vivaz
Yes
3.5mm jack
A8i
Yes
Vivaz
Yes
WLAN
A8i
Wi-Fi 802.11 b/g
Vivaz
Wi-Fi 802.11 b/g, DLNA
Bluetooth
A8i
2.1, A2DP
Vivaz
2.1, A2DP
Positioning
A8i
GPS, A-GPS
Vivaz
GPS, A-GPS; Wisepilot navigation
Radio
A8i
Stereo FM radio, RDS
Vivaz
Stereo FM radio
USB
A8i
microUSB 2.0
Vivaz
microUSB 2.0
Sensors
A8i
Accelerometer, proximity, compass
Vivaz
Accelerometer
Browser
A8i
WAP 2.0/xHTML, HTML
Vivaz
WAP 2.0 / xHTML (NetFront)
Other
A8i
CMMB mobile TV MP4/H.264/WMV player MP3/eAAC+/WMA/WAV player TrackID music recognition Predictive text input
Vivaz
Facebook and Twitter apps WMV/RV/MP4/3GP player MP3/WMA/WAV/RA/AAC/M4A player TrackID music recognition TV out (VGA resolution) Organizer Document viewer Gesture control Voice memo Predictive text input
Type
A8i
Removable Li-Po battery
Vivaz
Removable Li-Po 1200 mAh battery
Stand-by
A8i
Up to 260 h (2G) / Up to 260 h (3G)
Vivaz
Up to 430 h (2G) / Up to 440 h (3G)
Talk time
A8i
Up to 5 h (2G) / Up to 7 h 30 min (3G)
Vivaz
Up to 13 h (2G) / Up to 5 h 20 min (3G)
Colors
A8i
White, Black
Vivaz
Pink, Silver Moon, Cosmic Black, Galaxy Blue, Venus Ruby
Price
A8i
About 130 EUR
Vivaz
About 80 EUR
SAR EU
A8i
-
Vivaz
1.04 W/kg (head)