In depth comparison and review of Fairphone 4 and ASUS Zenfone 8 Flip. 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.
| DESIGN AND DIMENSIONS | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS672KS | |
| Form Factor | Touch | Touch | |
| Height | 162 mm | 165.04 mm | ASUS Zenfone 8 Flip has greater height than Fairphone 4. |
| Width | 75.5 mm | 77.28 mm | ASUS Zenfone 8 Flip has greater width than Fairphone 4. |
| Depth | 10.5 mm | 9.6 mm | ASUS Zenfone 8 Flip is narrower than Fairphone 4. |
| Weight | 225 g | 230 g | Fairphone 4 is lighter than Fairphone 4. |
| Body Colour | Grey | Galactic black | |
| Body Material | - | Glass | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | IP54 | - | |
| SAR Value | 0.494 W/kg (head), 0.993 W/kg (body), 2.916 W/kg (limb) | 1.43 W/kg (head), 1.245 W/kg (body), 3.504 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 6.3" | 6.67" | ASUS Zenfone 8 Flip has larger screen size than Fairphone 4. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | ASUS Zenfone 8 Flip has better screen resolution than Fairphone 4. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 410 ppi | - | |
| Aspect Ratio | 19.5:9 | 20:9 | |
| Max Brightness | - | 1000 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| HDR | - | Yes | ASUS Zenfone 8 Flip has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | DC Dimming | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Full Lamination, Pixelworks technology | ASUS Glove Touch technology, Delta-E < 1, NanoEdge display, 105% NTSC, 110% DCI-P3 | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 6 (scratch resistant glass) |
| PROCESSOR | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 750G | Qualcomm Snapdragon 888 5G | |
|---|---|---|---|
| Processor Number | SM7225 | SM8350 | |
| Clock Speed | 2.2 GHz | 2.84 GHz | ASUS Zenfone 8 Flip has higher clock speed than Fairphone 4. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 619 | Qualcomm ADRENO 660 |
| MEMORY | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| RAM | 6 GB | LPDDR5 SDRAM - 8 GB | ASUS Zenfone 8 Flip has more RAM than Fairphone 4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | ASUS Zenfone 8 Flip has more internal memory than Fairphone 4. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Rear Camera Design | - | Flip | |
| Sensor Resolution | 48 Megapixel | 64 Megapixel | ASUS Zenfone 8 Flip has better camera resolution than Fairphone 4. |
| Sensor Size | 1/2" | 1/1.7" | Fairphone 4 has better camera sensor size than ASUS Zenfone 8 Flip. |
| Sensor Name | Sony Exmor RS IMX582 sensor | Sony Exmor RS IMX686 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.6 | F/1.8 | Fairphone 4 has better lens aperture than Fairphone 4. |
| Field of View (FoV) | - | 78.3 degree(s) | |
| Pixel Size | 0.8 μm | 0.8 μm | Both phones have the same camera pixel size. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | - | |
| Minimum Focal Length (Focal Distance) | - | 26.6 mm | |
| Digital Zoom | 8x | - | |
| Special Effects | HDR | - | |
| Camera Modes | Slow motion video, Pro mode, night mode | Slow motion video, Time-lapse mode, Pro mode, Auto Panorama | |
| Light Source | Dual LED flash | LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Video Resolutions | 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) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps, Slo-mo video 3840 x 2160 (4K) at 120 fps | |
| Camera Features (Functions) | Laser detection auto focus (LDAF), TOF sensor, colour sensor | Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, Wind Noise Filter, Motion tracking, Quad Bayer technology, HyperSteady, Free Zoom, Mic Focus, 2x1 On-Chip Lens (OCL), Quick Flip Angle camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 48 Megapixel | 12 Megapixel | Fairphone 4 has better second camera resolution than ASUS Zenfone 8 Flip. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.55" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX363 sensor | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 120 degree(s) | - | |
| Pixel Size (2nd Camera) | 0.8 μm | 1.4 μm | ASUS Zenfone 8 Flip has larger second camera pixel size than Fairphone 4. |
| Minimum Focal Length (2nd Camera) | - | 14.3 mm | |
| Camera Functions (2nd Camera) | Macro focus | - | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Camera Features (2nd Camera) | - | Dual Pixel Phase Detect Auto-Focus (PDAF), Real-time distortion correction, Dual Pixel image sensor, 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/2.55" | |
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Pixel Size (3rd Camera) | - | 1.4 μm | |
| Optical Zoom | - | 3x | |
| Digital Zoom | - | 12x | |
| Camera Features (3rd Camera) | - | Dual Pixel image sensor |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 0 | |
|---|---|---|---|
| Sensor Resolution (Front) | 25 Megapixel | - | |
| Sensor Size (Front) | 1/2.78" | - | |
| Sensor Name (Front) | Sony Exmor RS IMX576 sensor | - | |
| Lens Aperture (Front) | F/2.2 | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | HDR | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Front) | Up to 8x digital zoom, digital image stabilisation, ToF sensor, colour sensor | - |
| BATTERY AND CHARGING | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Battery Capacity (Battery Size) | 3905 mAh | 5000 mAh | ASUS Zenfone 8 Flip has larger battery capacity than Fairphone 4. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0, Power Delivery 3.0 | ASUS Zenfone 8 Flip has fast charging technology. |
| Recharge Time (Charging Time) | - | 1.7 hours | |
| Standby Time | 200 hours | - | |
| Talk Time | 780 minutes | - | |
| Run Time Details | Talk: up to 780 min Standby: up to 200 hrs |
- | |
| Battery Technology | Lithium Ion | Lithium polymer |
| CELLULAR | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 11 | Android 11 | |
| User Interface | - | ASUS ZenUI 8.0 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo, GNSS | GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC |
| COMMUNICATIONS | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi, 5G NR | GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+, 5G NR FR1 | |
|---|---|---|---|
| 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 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1800, 1700, 850, 800, 900, 800 | |
| 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 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42 | |
| 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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500 | |
| 5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n71, n77, n78 | N1, n2, n3, n5, n7, n8, n20, n28, n38, n77, n78, n12 | |
| 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 | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 3700, TDD TD 3500, n12 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.1 LE | Bluetooth 5.2 EDR | |
| Bluetooth Profiles | - | A2DP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | - | Snapdragon X60 5G |
| MEDIA | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Supported Digital Audio Standards | WAV, AAC, AIFF, MP3, FLAC, AAC +, eAAC+, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD | Apt-X, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, DivX, MPEG-2, H.264, H.263, HEVC, VP9 | - | |
| Sound Enhancements | - | Dirac HD Sound, Hi-Res audio certified, OZO Audio, Qualcomm aptX Adaptive | |
| Audio Amplifier | - | Dual NXP TFA9874 |
| FEATURES | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, gyroscope | |
|---|---|---|---|
| Security Devices | Fingerprint reader (side) | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | MIMO technology, modular and repairable design, recycled and fair materials | MIMO technology, Power Saving Mode, AudioWizard, Smart Key, One Hand Mode, ASUS Noise Reduction technology, ARCore, dual stereo speakers, triple noise reduction microphones, system mode |
| OTHERS | Fairphone 4 | ASUS Zenfone 8 Flip |
|---|
| Included Accessories | - | SIM card removal tool, USB-C to USB-C cable, protective case, power adapter (30 W) | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP54 | - |
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