Screen size
equal specsOptimax 127.0"
Z7087.0"
Quick verdict
Z708 leads the measured specs 4-1.
Measured wins
Optimax 12
1
spec wins
Ties
12
equal specs
Z708
4
spec wins
Overall winner
Screen size
equal specsTechnology
Optimax 12
GSM / HSPA
Z708
GSM / HSPA
2G bands
Optimax 12
GSM 850 / 900 / 1800 / 1900
Z708
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Optimax 12
HSDPA 850 / 1900 / 2100
Z708
HSDPA 850 / 900 / 1900 / 2100
Speed
Optimax 12
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
equal specsStorage
Main camera
Front camera
equal specsBattery
Wired 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
Z708
HSPA 21.1/11.5 Mbps
Announced
Optimax 12
2018, March. Released 2018, April
Z708
2014, May. Released 2014, May
Status
Optimax 12
Discontinued
Z708
Discontinued
Dimensions
Optimax 12
188 x 107.5 x 10.3 mm (7.40 x 4.23 x 0.41 in)
Z708
191 x 116 x 7.9 mm (7.52 x 4.57 x 0.31 in)
Weight
Optimax 12
272 g (9.59 oz)
Z708
-
SIM
Optimax 12
Dual SIM (Mini-SIM, dual stand-by)
Z708
Dual SIM
Type
Optimax 12
TN TFT
Z708
IPS LCD
Size
Optimax 12
7.0 inches, 137.9 cm2 (~68.2% screen-to-body ratio)
Z708
7.0 inches, 137.9 cm2 (~62.2% screen-to-body ratio)
Resolution
Optimax 12
600 x 1024 pixels, 16:9 ratio (~170 ppi density)
Z708
1024 x 600 pixels, 16:9 ratio (~170 ppi density)
OS
Optimax 12
Android 6.0 (Marshmallow)
Z708
Android 4.2.2 (Jelly Bean)
Chipset
Optimax 12
Mediatek MT8321 (28 nm)
Z708
Mediatek MT8312 (28 nm)
CPU
Optimax 12
Quad-core 1.3 GHz Cortex-A7
Z708
Dual-core 1.3 GHz Cortex-A7
GPU
Optimax 12
Mali-400
Z708
Mali-400
Card slot
Optimax 12
microSDHC
Z708
microSDHC
Internal
Optimax 12
8GB 1GB RAM
Z708
16GB 1GB RAM
Single
Optimax 12
5 MP
Z708
8 MP, AF
Features
Optimax 12
LED flash
Z708
LED flash, panorama, HDR
Video
Optimax 12
720p@30fps
Z708
1080p@30fps
Single
Optimax 12
2 MP
Z708
2 MP
Video
Optimax 12
Z708
Features
Optimax 12
-
Z708
face detection
Loudspeaker
Optimax 12
Yes
Z708
Yes
3.5mm jack
Optimax 12
Yes
Z708
Yes
WLAN
Optimax 12
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Z708
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Optimax 12
4.0, A2DP
Z708
4.0, A2DP
Positioning
Optimax 12
GPS
Z708
GPS
NFC
Optimax 12
No
Z708
No
Radio
Optimax 12
FM radio
Z708
FM radio
USB
Optimax 12
microUSB 2.0
Z708
microUSB 2.0
Sensors
Optimax 12
Accelerometer
Z708
Accelerometer, gyro, proximity
Type
Optimax 12
Li-Ion 2400 mAh battery
Z708
Li-Ion 3000 mAh, non-removable
Stand-by
Optimax 12
Up to 132 h
Z708
Up to 950 h (2G) / Up to 850 h (3G)
Talk time
Optimax 12
Up to 3 h
Z708
Up to 24 h (2G) / Up to 22 h (3G)
Colors
Optimax 12
Black, Silver, Rose Gold
Z708
White