ASUS ZenFone 2 (ZE550ML) vs. ASUS ZenFone 4 (A400CXG)

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone 2 (ZE550ML) and ASUS ZenFone 4 (A400CXG). Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

ASUS ZenFone 2 (ZE550ML) vs. ASUS ZenFone 4 (A400CXG) Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Product Type Smartphone Smartphone
Manufacturer Model Number ZE550ML A400CXG
Form Factor Touch Touch
Height 152.5 mm 124.42 mm ASUS ZenFone 2 (ZE550ML) has greater height than ASUS ZenFone 4 (A400CXG).
Width 77.2 mm 61.44 mm ASUS ZenFone 2 (ZE550ML) has greater width than ASUS ZenFone 4 (A400CXG).
Depth 10.9 mm 12.3 mm ASUS ZenFone 2 (ZE550ML) is narrower than ASUS ZenFone 2 (ZE550ML).
Weight 170 g 120 g ASUS ZenFone 4 (A400CXG) is lighter than ASUS ZenFone 2 (ZE550ML).
Body Colour - Black
Waterproof (Water-resistant) - -
Connector Type Headset jack - mini-phone 3.5mm
USB
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
SIM Card Type (Size) Micro SIM Micro SIM
SIM Card Qty Dual-SIM -
DISPLAY ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Display Type LCD display LCD display
Display Technology IPS TFT
Screen Size (Display Size) 5.5" 4" ASUS ZenFone 2 (ZE550ML) has larger screen size than ASUS ZenFone 4 (A400CXG).
Screen Resolution (Display Resolution) 1280 x 720 pixels 800 x 480 pixels ASUS ZenFone 2 (ZE550ML) has better screen resolution than ASUS ZenFone 4 (A400CXG).
Display Format HD -
Pixel Density 267 ppi -
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 3 (scratch resistant glass) -
PROCESSOR ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Processor Type (CPU) Intel Atom Intel Atom
Processor Number Z3560 Z2520
Clock Speed 1.8 GHz 1.2 GHz ASUS ZenFone 2 (ZE550ML) has higher clock speed than ASUS ZenFone 4 (A400CXG).
Processor Core Qty Quad-core -
Graphics System (GPU) PowerVR G6430 PowerVR SGX544MP2
MEMORY ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
RAM 2 GB 1 GB ASUS ZenFone 2 (ZE550ML) has more RAM than ASUS ZenFone 4 (A400CXG).
Internal Memory Size (Storage Capacity) 16 GB 8 GB ASUS ZenFone 2 (ZE550ML) has more internal memory than ASUS ZenFone 4 (A400CXG).
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 64 GB microSDHC, microSDXC - up to 64 GB
CAMERA ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 13 Megapixel 5 Megapixel ASUS ZenFone 2 (ZE550ML) has better camera resolution than ASUS ZenFone 4 (A400CXG).
Lens Aperture F/2.0 F/2.4 ASUS ZenFone 2 (ZE550ML) has better lens aperture than ASUS ZenFone 2 (ZE550ML).
Focus Adjustment Automatic -
HDR Mode Auto HDR mode -
Light Source Dual LED flash -
Video Resolutions - 1920 x 1080 (1080p), 1280 x 720 (720p)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 0.3 Megapixel ASUS ZenFone 2 (ZE550ML) has better front camera resolution than ASUS ZenFone 4 (A400CXG).
Lens Aperture (Front) - F/2.8
BATTERY AND CHARGING ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Battery Capacity (Battery Size) 3000 mAh 1600 mAh ASUS ZenFone 2 (ZE550ML) has larger battery capacity than ASUS ZenFone 4 (A400CXG).
Standby Time - 295.69 hours
Talk Time - 770 minutes
Run Time Details - Talk (WCDMA): up to 770 hrs
Continuous browsing (WCDMA): up to 4.4 hrs
Continuous browsing (Wi-Fi): up to 7.13 hrs
Playback (video): up to 4.99 hrs
Standby (WCDMA): up to 295.69 hrs
Battery Technology Lithium polymer Lithium polymer
CELLULAR ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 3G ASUS ZenFone 2 (ZE550ML) has more advanced generation mobile network.
Operating System Android 5.0 (Lollipop) Android 4.3 (Jelly Bean)
User Interface ASUS ZenUI 2.0 ASUS ZenUI
Navigation GPS, A-GPS GPS, A-GPS, GLONASS
COMMUNICATIONS ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, DC-HSPA+ GPRS, EDGE, HSDPA, HSUPA, DC-HSPA+
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20 -
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD -
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.0 Bluetooth 4.0
Bluetooth Profiles - A2DP
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Supported Digital Audio Standards - AAC, MP3, AAC +, OGG
Supported Digital Video Standards - MPEG-4, 3GP, H.264
FEATURES ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Phone Functions Speakerphone, call timer, conference call, vibrating alert Speakerphone, call timer, conference call, flight mode, vibrating alert
Sensors Ambient light sensor, proximity sensor, digital compass, G-sensor Proximity sensor, gyro sensor
Dual SIM Card Capability Yes -
Additional Phone Features OpenGL 3.0 support ASUS SonicMaster technology, guaranteed upgrade to Android 4.4 (KitKat)
OTHERS ASUS ZenFone 2 (ZE550ML) ASUS ZenFone 4 (A400CXG)
Included Accessories Headset, power adapter USB cable, power adapter
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