Screen size
equal specsCompass 25.0"
Volt 3G5.0"
Quick verdict
Volt 3G leads the measured specs 4-1.
Measured wins
Compass 2
1
spec wins
Ties
12
equal specs
Volt 3G
4
spec wins
Overall winner
Screen size
equal specsTechnology
Compass 2
GSM / HSPA
Volt 3G
GSM / HSPA
2G bands
Compass 2
GSM 850 / 900 / 1800 / 1900
Volt 3G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
Compass 2
HSDPA 850 / 1900 / 2100
Volt 3G
HSDPA 850 / 2100 - SIM 1
Speed
Compass 2
HSPA 14.4/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
Main camera
equal specsFront camera
equal specsBattery
equal specsWired 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
Volt 3G
HSPA
Announced
Compass 2
2018, March. Released 2018, March
Volt 3G
2013, May. Released 2013, June
Status
Compass 2
Discontinued
Volt 3G
Discontinued
Dimensions
Compass 2
144 x 72.7 x 9.8 mm (5.67 x 2.86 x 0.39 in)
Volt 3G
141 x 69 x 9 mm (5.55 x 2.72 x 0.35 in)
Weight
Compass 2
165 g (5.82 oz)
Volt 3G
150 g (5.29 oz)
SIM
Compass 2
Dual SIM (Micro-SIM, dual stand-by)
Volt 3G
Dual SIM (Mini-SIM)
Other
Compass 2
-
Volt 3G
Flashlight
Type
Compass 2
TN TFT
Volt 3G
IPS LCD
Size
Compass 2
5.0 inches, 68.9 cm2 (~65.8% screen-to-body ratio)
Volt 3G
5.0 inches, 68.9 cm2 (~70.8% screen-to-body ratio)
Resolution
Compass 2
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Volt 3G
1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
OS
Compass 2
Android 6.0 (Marshmallow)
Volt 3G
Android 4.2 (Jelly Bean)
Chipset
Compass 2
Spreadtrum SC7731C
Volt 3G
Mediatek MT6589 (28 nm)
CPU
Compass 2
Quad-core 1.2 GHz Cortex-A7
Volt 3G
Quad-core 1.2 GHz Cortex-A7
GPU
Compass 2
Mali-400
Volt 3G
PowerVR SGX544
Card slot
Compass 2
microSDHC
Volt 3G
microSDHC (dedicated slot)
Internal
Compass 2
8GB 1GB RAM
Volt 3G
4GB 1GB RAM
Single
Compass 2
8 MP, AF
Volt 3G
8 MP, AF
Features
Compass 2
LED flash
Volt 3G
LED flash
Video
Compass 2
720p@30fps
Volt 3G
1080p@30fps
Single
Compass 2
2 MP
Volt 3G
2 MP
Video
Compass 2
Volt 3G
Loudspeaker
Compass 2
Yes
Volt 3G
Yes
3.5mm jack
Compass 2
Yes
Volt 3G
Yes
WLAN
Compass 2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Volt 3G
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
Compass 2
2.1, EDR
Volt 3G
2.1, A2DP, EDR
Positioning
Compass 2
GPS
Volt 3G
GPS
NFC
Compass 2
No
Volt 3G
No
Radio
Compass 2
FM radio
Volt 3G
FM radio
USB
Compass 2
microUSB 2.0
Volt 3G
miniUSB 2.0
Sensors
Compass 2
Accelerometer
Volt 3G
Accelerometer, proximity
Type
Compass 2
Li-Ion 2000 mAh, removable
Volt 3G
Li-Ion 2000 mAh, removable
Stand-by
Compass 2
Up to 170 h (2G) / Up to 200 h (3G)
Volt 3G
Up to 400 h
Talk time
Compass 2
Up to 5 h 30 min (2G) / Up to 5 h 30 min (3G)
Volt 3G
Up to 12 h
Colors
Compass 2
Black, Silver, Gold, Rose Gold
Volt 3G
Black/White