1vs1.digital Smartphones Comparison
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Comparison Fly FS504 Cirrus 2 and HOMTOM HT17 Pro

Fly FS504 Cirrus 2
Fly
FS504 Cirrus 2
HOMTOM HT17 Pro
HOMTOM
HT17 Pro
General characteristics
Type smartphone smartphone
OS version Android 5.1 Android 6.0
Case type classic classic
Control sensor keyboard sensor keyboard
SIM-card type regular+micro SIM micro SIM
SIM-card amount 2 2
Multi SIM mode alternate alternate
Weight
123 grams (82%)
150 grams (100%)
Width
70.6 mm (91%)
77.6 mm (100%)
Height
140.6 mm (92%)
153 mm (100%)
Thickness
8.1 mm (100%)
7.9 mm (98%)
Case material plastic
Display
Diagonal
5" (91%)
5.5" (100%)
Screen size 1280x720 1280x720
Screen type
  • colored IPS
  • sensor
  • colored IPS
  • 16.78 mln colors
  • sensor
Sensor screen type
  • multitouch
  • capacitive
  • multitouch
  • capacitive
Automatic display rotation Check Check
Number of pixels per inch (PPI) 267
Multimedia features
Camera
8.32642448 megapixels (64%)
13 megapixels (100%)
Camera functions autofocus autofocus
Video Recording Check Check
Video resolution max 1920x1080
Front camera
2 megapixels (40%)
5 megapixels (100%)
Audio
  • MP3
  • AAC
  • WAV
  • FM-radio
  • MP3
  • FM-radio
Headphone jack 3.5 mm 3.5 mm
Connectivity
Standard
  • GSM 900/1800/1900
  • 3G
  • GSM 900/1800/1900
  • 3G
  • 4G LTE
  • LTE-A Cat. 4
Interfaces
  • Wi-Fi 802.11n
  • Bluetooth 4.0
  • USB
  • Wi-Fi
  • Bluetooth 4.0
  • USB
Satellite navigation GPS GPS
A-GPS system Check Check
LTE range support 2100, 1800, 2600, 835 MHz
Storage and processor
CPU
  • MediaTek MT6580
  • 1300 MHz
  • MediaTek MT6737
  • 1100 MHz
Processor cores number 4 4
Video processor Mali-400 MP2 Mali-T720 MP2
Built-in memory
8 GB (50%)
16 GB (100%)
Amount of RAM
1 GB (50%)
2 GB (100%)
Memory card slot
  • yes
  • volume of up to 32 GB
  • yes
  • volume of up to 128 GB
Power supply
Battery type Li-Ion
Battery capacity
2000 mA⋅h (67%)
3000 mA⋅h (100%)
Battery removable panels removable panels
Talk time
7.5 hours (50%)
15 hours (100%)
Standby time
150 hours (54%)
280 hours (100%)
Time in music listening mode 50 hours
Connector type for charging micro-USB micro-USB
Quick charging function Check
Other functions
Speakerphone (built-in speaker) Check
Control sensor keyboard sensor keyboard
Airplane mode Check Check
A2DP profile Check Check
Sensors
  • illumination sensor
  • approaching sensor
  • illumination sensor
  • approaching sensor
  • fingerprint scanner
Flashlight Check Check
Use as a USB storage device Check
USB-host Check
Fly
FS504 Cirrus 2
HOMTOM
HT17 Pro
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