SONY Xperia Z4 LTE

 JUsT AWSOME 

Primary	20.7 MP, 5248 х 3936 pixels, autofocus, LED flash
Features	1/2.3'' sensor size, geo-tagging, touch focus, face detection, HDR, panorama
Video	2160p@30fps, 1080p@60fps, 720p@120fps, HDR
Secondary	5.1 MP, 1080p@30fps

OS	Android OS, v5.0 (Lollipop)
Chipset	Qualcomm MSM8994 Snapdragon 810
CPU	Quad-core Cortex-A53 & Quad-core Cortex-A57
GPU	Adreno 430

MEMO Dimensions 146 x 72 x 6.9 mm (5.75 x 2.83 x 0.27 in) Weight 144 g (5.08 oz) SIM Nano-SIM - IP68 certified - dust proof and water resistant over 1 meter and 30 minutes DISPLAY Type IPS LCD capacitive touchscreen, 16M colors Size 5.2 inches (~70.9% screen-to-body ratio) Resolution 1080 x 1920 pixels (~424 ppi pixel density) Multitouch Yes, up to 10 fingers Protection Shatter proof glass - Triluminos display - X-Reality Engine RY	Card slot	microSD, up to 128 GB
	Internal	32/64 GB, 3 GB RAM

WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth	v4.1, A2DP, apt-X
GPS	Yes, with A-GPS, GLONASS/ Beidou (market dependant)
NFC	Yes
Radio	TBC
USB	microUSB v2.0 (MHL 3 TV-out), USB Host

FEATURES	Sensors	Accelerometer, gyro, proximity, compass, barometer
	Messaging	SMS (threaded view), MMS, Email, IM, Push Email
	Browser	HTML5
	Java	No
		- Fast battery charging: 60% in 30 min (Quick Charge 2.0) - ANT+ support - Active noise cancellation with dedicated mic - Xvid/MP4/H.264 player - MP3/eAAC+/WAV/Flac player - Document viewer - Photo/video editor

BATTERY		Non-removable Li-Ion 2930 mAh battery
	Stand-by
	Talk time

MISC	Colors	White, black, copper, aqua green

by ariful hasan shuvo

HTC ONE M9

                                             HTC ONE M9

Main Key features : 

• Display : 5" 1080p capacitive touchscreen with 441 ppi; Corning Gorilla Glass 4 protection.

• Processor : Qualcomm Snapdragon 810 chipset with dual quad-core 

• CPU : 2 GHz quad-core Cortex-A57 plus 1.5 GHz quad-core Cortex-A53 processor,  Adreno 430 GPU, 3GB of RAM

• Android OS : 5.0 Lollipop with HTC Sense 7 UI.

• Wi-Fi : 802.11 a/b/g/n/ac (2.4 & 5 GHz) with DLNA, WiFi direct, hotspot

• Camera : super 20MP Auto Focus  camera with a 1/2.3" BSI sensor; 27.8mm f/2.2 lens; dual-LED flash light; 2160p@30fps video capture with continuous auto focusing.  

• Front camera : 4 MP fixed-focus UltraPixel front-facing camera with BSI sensor; 26.8mm f/2.0 lens; HDR; 1080p video recording.

• Storage : 32GB of built-in memory; microSD card slot; 100GB of free Google Drive storage for 2 years

• LTE Cat.6, Wi-Fi a/b/g/n/ac, GPS with GLONASS, NFC, IR port, Bluetooth 4.1, FM radio; microUSB 2.0 port, MHL, USB host capability .

• Sound system : Front-facing stereo speakers with BoomSound and Dolby Audio

• 2,840mAh battery; Qualcomm Quick Charge 2.0 support

Main disadvantages :

• Screen has the same specs three years in a row
• Non-removable battery.
• No water and dust protection.
• Camera lacks OIS or digital video stabilization.
•  HTC One series model M9 packs the same 5 inch screen as the One (M8) and that is no bad thing. It's a high-quality IPS panel of 1080p resolution, which delivers 441 ppi.
• Before buy you be careful 
• 
  

by Ariful Hasan Shuvo

SAMSUNG Galaxy S6 Edge

                             Galaxy S6 Edge

• Camera :
• 16MP camera, f/1.9 aperture, 4K video recording, LED flash, optical image stabilization
• Front camera :  5MP front-facing camera, f/1.9 aperture, 1440p QHD video, HDR
• 
  
• Storage : 32/64/128 GB of built-in storage (64GB comes as standard issue on some markets).
• 
  
• Sensor : New generation of fingerprint scanner , 
• Heart-rate sensor, barometer, SpO2.
• 
  
• Wi-Fi : LTE Cat.6, WiFi a/b/g/n/ac, GPS/GLONASS/Beidou, NFC, IR port, Bluetooth 4.1, ANT+
• Wireless : Built-in wireless charging (Qi/PMA)
• 
  
• Battery : 2600 mAh battery
• 
  
• Display : Curved screen, thin (7mm) profile, premium dual-glass design reinforced by a metal frame.
• 
  
• Size : 5.1" Super AMOLED of QHD (1440 x 2560) resolution, class-leading ~577 ppi, Corning Gorilla Glass 4.
• 
  
• Processor : Exynos 7420 64-bit chipset, octa core processor with four 2.1GHz Cortex-A57's and four 1.5GHz Cortex-A53 cores.
• GPU : Mali-T760 MP8 , 
• RAM : 3GB 
• OS : Android 5.0.2 Lollipop with TouchWiz and Samsung Pay.

• 
  
  

• Bad Side : 

• Pricier than its sibling, with only the curved screen to show for it
• Protection : No water or dust protection
• 
  
• Battery : No user-replaceable battery
• 
  
• Slot :No micro SD card slot
• 
  
• Radio : No FM radio.
• 
  
• speakers : No stereo speakers available.

by Arif Hasan Shuvo