Screen size
equal specsOptimax 27.0"
Z7087.0"
Quick verdict
Z708 leads the measured specs 6-1.
Measured wins
Optimax 2
1
spec wins
Ties
10
equal specs
Z708
6
spec wins
Overall winner
Screen size
equal specsTechnology
Optimax 2
No cellular connectivity
Z708
GSM / HSPA
2G bands
Optimax 2
N/A
Z708
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
Optimax 2
No
Z708
-
EDGE
Optimax 2
No
Z708
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
Optimax 2
-
Z708
HSDPA 850 / 900 / 1900 / 2100
Speed
Optimax 2
-
Z708
HSPA 21.1/11.5 Mbps
Announced
Optimax 2
2018, March. Released 2018, April
Z708
2014, May. Released 2014, May
Status
Optimax 2
Discontinued
Z708
Discontinued
Dimensions
Optimax 2
192 x 109.7 x 11.5 mm (7.56 x 4.32 x 0.45 in)
Z708
191 x 116 x 7.9 mm (7.52 x 4.57 x 0.31 in)
Weight
Optimax 2
270 g (9.52 oz)
Z708
-
SIM
Optimax 2
No
Z708
Dual SIM
Type
Optimax 2
TN TFT
Z708
IPS LCD
Size
Optimax 2
7.0 inches, 137.9 cm2 (~65.5% screen-to-body ratio)
Z708
7.0 inches, 137.9 cm2 (~62.2% screen-to-body ratio)
Resolution
Optimax 2
600 x 1024 pixels, 16:9 ratio (~170 ppi density)
Z708
1024 x 600 pixels, 16:9 ratio (~170 ppi density)
OS
Optimax 2
Android 6.0 (Marshmallow)
Z708
Android 4.2.2 (Jelly Bean)
CPU
Optimax 2
Quad-core 1.2 GHz Cortex-A7
Z708
Dual-core 1.3 GHz Cortex-A7
GPU
Optimax 2
Mali-400
Z708
Mali-400
Chipset
Optimax 2
-
Z708
Mediatek MT8312 (28 nm)
Card slot
Optimax 2
microSDHC
Z708
microSDHC
Internal
Optimax 2
8GB 1GB RAM
Z708
16GB 1GB RAM
Single
Optimax 2
5 MP
Z708
8 MP, AF
Video
Optimax 2
720p@30fps
Z708
1080p@30fps
Features
Optimax 2
-
Z708
LED flash, panorama, HDR
Single
Optimax 2
2 MP
Z708
2 MP
Video
Optimax 2
Z708
Features
Optimax 2
-
Z708
face detection
Loudspeaker
Optimax 2
Yes
Z708
Yes
3.5mm jack
Optimax 2
Yes
Z708
Yes
WLAN
Optimax 2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Z708
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Optimax 2
2.1
Z708
4.0, A2DP
Positioning
Optimax 2
No
Z708
GPS
NFC
Optimax 2
No
Z708
No
Radio
Optimax 2
FM radio
Z708
FM radio
USB
Optimax 2
microUSB 2.0
Z708
microUSB 2.0
Sensors
Optimax 2
Accelerometer
Z708
Accelerometer, gyro, proximity
Type
Optimax 2
Li-Ion 2400 mAh battery
Z708
Li-Ion 3000 mAh, non-removable
Stand-by
Optimax 2
Up to 170 h
Z708
Up to 950 h (2G) / Up to 850 h (3G)
Talk time
Optimax 2
Up to 12 h
Z708
Up to 24 h (2G) / Up to 22 h (3G)
Colors
Optimax 2
Black, Silver, Pink, Gold, Rose Gold
Z708
White