Screen size
Compass 25.0"
Optimax 2Winner: 7.0"+29%
Quick verdict
Compass 2 leads the measured specs 4-3.
Measured wins
Compass 2
4
spec wins
Overall winner
Ties
10
equal specs
Optimax 2
3
spec wins
Screen size
Technology
Compass 2
GSM / HSPA
Optimax 2
No cellular connectivity
2G bands
Compass 2
GSM 850 / 900 / 1800 / 1900
Optimax 2
N/A
3G bands
Compass 2
HSDPA 850 / 1900 / 2100
Optimax 2
-
Speed
Compass 2
HSPA 14.4/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain 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
Optimax 2
-
GPRS
Compass 2
-
Optimax 2
No
EDGE
Compass 2
-
Optimax 2
No
Announced
Compass 2
2018, March. Released 2018, March
Optimax 2
2018, March. Released 2018, April
Status
Compass 2
Discontinued
Optimax 2
Discontinued
Dimensions
Compass 2
144 x 72.7 x 9.8 mm (5.67 x 2.86 x 0.39 in)
Optimax 2
192 x 109.7 x 11.5 mm (7.56 x 4.32 x 0.45 in)
Weight
Compass 2
165 g (5.82 oz)
Optimax 2
270 g (9.52 oz)
SIM
Compass 2
Dual SIM (Micro-SIM, dual stand-by)
Optimax 2
No
Type
Compass 2
TN TFT
Optimax 2
TN TFT
Size
Compass 2
5.0 inches, 68.9 cm2 (~65.8% screen-to-body ratio)
Optimax 2
7.0 inches, 137.9 cm2 (~65.5% screen-to-body ratio)
Resolution
Compass 2
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Optimax 2
600 x 1024 pixels, 16:9 ratio (~170 ppi density)
OS
Compass 2
Android 6.0 (Marshmallow)
Optimax 2
Android 6.0 (Marshmallow)
Chipset
Compass 2
Spreadtrum SC7731C
Optimax 2
-
CPU
Compass 2
Quad-core 1.2 GHz Cortex-A7
Optimax 2
Quad-core 1.2 GHz Cortex-A7
GPU
Compass 2
Mali-400
Optimax 2
Mali-400
Card slot
Compass 2
microSDHC
Optimax 2
microSDHC
Internal
Compass 2
8GB 1GB RAM
Optimax 2
8GB 1GB RAM
Single
Compass 2
8 MP, AF
Optimax 2
5 MP
Features
Compass 2
LED flash
Optimax 2
-
Video
Compass 2
720p@30fps
Optimax 2
720p@30fps
Single
Compass 2
2 MP
Optimax 2
2 MP
Video
Compass 2
Optimax 2
Loudspeaker
Compass 2
Yes
Optimax 2
Yes
3.5mm jack
Compass 2
Yes
Optimax 2
Yes
WLAN
Compass 2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Optimax 2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
Compass 2
2.1, EDR
Optimax 2
2.1
Positioning
Compass 2
GPS
Optimax 2
No
NFC
Compass 2
No
Optimax 2
No
Radio
Compass 2
FM radio
Optimax 2
FM radio
USB
Compass 2
microUSB 2.0
Optimax 2
microUSB 2.0
Sensors
Compass 2
Accelerometer
Optimax 2
Accelerometer
Type
Compass 2
Li-Ion 2000 mAh, removable
Optimax 2
Li-Ion 2400 mAh battery
Stand-by
Compass 2
Up to 170 h (2G) / Up to 200 h (3G)
Optimax 2
Up to 170 h
Talk time
Compass 2
Up to 5 h 30 min (2G) / Up to 5 h 30 min (3G)
Optimax 2
Up to 12 h
Colors
Compass 2
Black, Silver, Gold, Rose Gold
Optimax 2
Black, Silver, Pink, Gold, Rose Gold