ASUS ZenFone 3 Ultra (ZU680KL) vs. Fairphone 4

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone 3 Ultra (ZU680KL) and Fairphone 4. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

ASUS ZenFone 3 Ultra (ZU680KL) vs. Fairphone 4 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Product Type Smartphone Smartphone
Manufacturer Model Number ZU680KL -
Form Factor Touch Touch
Height 186.4 mm 162 mm ASUS ZenFone 3 Ultra (ZU680KL) has greater height than Fairphone 4.
Width 93.9 mm 75.5 mm ASUS ZenFone 3 Ultra (ZU680KL) has greater width than Fairphone 4.
Depth 6.8 mm 10.5 mm ASUS ZenFone 3 Ultra (ZU680KL) is narrower than ASUS ZenFone 3 Ultra (ZU680KL).
Weight 233 g 225 g Fairphone 4 is lighter than ASUS ZenFone 3 Ultra (ZU680KL).
Body Colour Rose gold | Titanium grey | Glacier silver Grey
Body Material Metal -
Waterproof (Water-resistant) - -
IP rating - IP54
SAR Value - 0.494 W/kg (head), 0.993 W/kg (body), 2.916 W/kg (limb)
Integrated Components FM radio -
Connector Type HDMI - 19 pin micro HDMI Type D
USB Type-C - 24 pin USB-C
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Display Type LCD display LCD display
Display Technology IPS IPS
Screen Size (Display Size) 6.8" 6.3" ASUS ZenFone 3 Ultra (ZU680KL) has larger screen size than Fairphone 4.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Fairphone 4 has better screen resolution than ASUS ZenFone 3 Ultra (ZU680KL).
Display Format Full HD Full HD+
Pixel Density - 410 ppi
Aspect Ratio - 19.5:9
Colour Depth - 16.7 million colours
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features Full Lamination, ASUS Tru2Life+ Full Lamination, Pixelworks technology
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Processor Type (CPU) Qualcomm Snapdragon 652 Qualcomm Snapdragon 750G
Processor Number - SM7225
Clock Speed 1.8 GHz 2.2 GHz Fairphone 4 has higher clock speed than ASUS ZenFone 3 Ultra (ZU680KL).
Processor Core Qty Quad-core 8-core Fairphone 4 has higher processor core quantity than ASUS ZenFone 3 Ultra (ZU680KL).
64-bit Architecture Yes - ASUS ZenFone 3 Ultra (ZU680KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 510 Qualcomm ADRENO 619
MEMORY ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
RAM 3 GB 6 GB Fairphone 4 has more RAM than ASUS ZenFone 3 Ultra (ZU680KL).
Internal Memory Size (Storage Capacity) 32 GB 128 GB Fairphone 4 has more internal memory than ASUS ZenFone 3 Ultra (ZU680KL).
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 200 GB microSDHC, microSD, microSDXC - up to 2 TB
CAMERA ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 23 Megapixel 48 Megapixel Fairphone 4 has better camera resolution than ASUS ZenFone 3 Ultra (ZU680KL).
Sensor Size - 1/2"
Sensor Name - Sony Exmor RS IMX582 sensor
Lens Aperture F/2.0 F/1.6 Fairphone 4 has better lens aperture than ASUS ZenFone 3 Ultra (ZU680KL).
Lens Construction 6-element -
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Digital Zoom - 8x
Special Effects Depth of field HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode Slow motion video, Pro mode, night mode
Light Source Dual LED flash Dual LED flash
Still Image Resolutions - 8000 x 6000
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 4000 x 3000 (4K UHD)
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Phase Detect Auto-Focus (PDAF), ZenMotion, Smart Remove, Electronic Image Stabiliser (EIS), MiniMovie, Time Rewind Laser detection auto focus (LDAF), TOF sensor, colour sensor
SECOND CAMERA
Sensor Resolution (2nd Camera) - 48 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 120 degree(s)
Pixel Size (2nd Camera) - 0.8 μm
Camera Functions (2nd Camera) - Macro focus
Still Image Resolutions - 8000 x 6000
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 25 Megapixel Fairphone 4 has better front camera resolution than ASUS ZenFone 3 Ultra (ZU680KL).
Sensor Size (Front) - 1/2.78"
Sensor Name (Front) - Sony Exmor RS IMX576 sensor
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone 3 Ultra (ZU680KL) has better front lens aperture than ASUS ZenFone 3 Ultra (ZU680KL).
Focus Adjustment Focus free Focus free
Special Effects (Front) - HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Slow motion video, night mode, selfie panorama -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps
Camera Features (Front) PixelMaster camera Up to 8x digital zoom, digital image stabilisation, ToF sensor, colour sensor
BATTERY AND CHARGING ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Battery Capacity (Battery Size) 4600 mAh 3905 mAh ASUS ZenFone 3 Ultra (ZU680KL) has larger battery capacity than Fairphone 4.
Standby Time - 200 hours
Talk Time 2040 minutes 780 minutes ASUS ZenFone 3 Ultra (ZU680KL) has longer battery life when making calls than Fairphone 4.
Run Time Details Talk: up to 2040 min
Continuous browsing (Wi-Fi): up to 14.5 hrs
Playback (video): up to 12.5 hrs
Talk: up to 780 min
Standby: up to 200 hrs
Battery Technology Lithium Lithium Ion
CELLULAR ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Fairphone 4 has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) Android 11
User Interface ASUS ZenUI 3.0 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo, GNSS
COMMUNICATIONS ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi, 5G NR
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band - Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 18, Band 19, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 71
4G LTE Frequency - FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 600
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n71, n77, n78
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD 600, TDD TD 3700, TDD TD 3500
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.1 LE
Bluetooth Profiles A2DP -
NFC - Yes Fairphone 4 has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Supported Digital Audio Standards - WAV, AAC, AIFF, MP3, FLAC, AAC +, eAAC+, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD
Supported Digital Video Standards - XviD, DivX, MPEG-2, H.264, H.263, HEVC, VP9
FEATURES ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor
Security Devices Fingerprint reader Fingerprint reader (side)
Additional Phone Features QuickMemo function, Wi-Fi Miracast, Kids Mode, ASUS TruVivid technology, Power Saving Mode, Hi-Res Audio, ASUS BoostMaster technology, ASUS WebStorage (5GB), Google Drive Storage (100 GB) (free for 2 years), VisualMaster 3.0, DTS Headphone:X, ASUS SonicMaster 3.0 technology MIMO technology, modular and repairable design, recycled and fair materials
OTHERS ASUS ZenFone 3 Ultra (ZU680KL) Fairphone 4
Included Accessories Power adapter -
Compliant Standards - MIL-STD 810G, IP54
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