In depth comparison and review of Fairphone 4 and ASUS Zenfone 8. 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 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS590KS | |
| Form Factor | Touch | Touch | |
| Height | 162 mm | 148 mm | Fairphone 4 has greater height than ASUS Zenfone 8. |
| Width | 75.5 mm | 68.5 mm | Fairphone 4 has greater width than ASUS Zenfone 8. |
| Depth | 10.5 mm | 8.9 mm | ASUS Zenfone 8 is narrower than Fairphone 4. |
| Weight | 225 g | 169 g | ASUS Zenfone 8 is lighter than Fairphone 4. |
| Body Colour | Grey | Obsidian black | |
| Protection | - | Drop-proof, water-resistant, dust-resistant | |
| Waterproof (Water-resistant) | - | Yes | ASUS Zenfone 8 is waterproof. |
| IP rating | IP54 | IP68, IP65 | |
| SAR Value | 0.494 W/kg (head), 0.993 W/kg (body), 2.916 W/kg (limb) | 1.582 W/kg (body), 1.412 W/kg (head), 3.498 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| 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 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 6.3" | 5.9" | Fairphone 4 has larger screen size than ASUS Zenfone 8. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | ASUS Zenfone 8 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 | - | 1100 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| HDR | - | Yes | ASUS Zenfone 8 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | DC Dimming | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Full Lamination, Pixelworks technology | Always-on display, Glove Touch, Delta-E < 1, 107% NTSC, 151.9% sRGB, 112% DCI-P3 | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Fairphone 4 | ASUS Zenfone 8 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 750G | Qualcomm Snapdragon 888 5G | |
|---|---|---|---|
| Processor Number | SM7225 | - | |
| Clock Speed | 2.2 GHz | 2.842 GHz | ASUS Zenfone 8 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 |
|---|
| RAM | 6 GB | LPDDR5 SDRAM - 8 GB | ASUS Zenfone 8 has more RAM than Fairphone 4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 2 TB | - |
| CAMERA | Fairphone 4 | ASUS Zenfone 8 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 64 Megapixel | ASUS Zenfone 8 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. |
| 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 | 1.6 μm | ASUS Zenfone 8 has larger camera pixel size than Fairphone 4. |
| 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 | |
| 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 24 fps, 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, 4-axis optical image stabilisation, Motion tracking, Quad Bayer technology, 2x1 On-Chip Lens (OCL) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 48 Megapixel | 12 Megapixel | Fairphone 4 has better second camera resolution than ASUS Zenfone 8. |
|---|---|---|---|
| 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 has larger second camera pixel size than Fairphone 4. |
| Focal Length Equivalent to 35mm Camera | - | 14.3 | |
| Camera Functions (2nd Camera) | Macro focus | - | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Camera Features (2nd Camera) | - | Real-time distortion correction, 4cm macro photography, Dual Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 25 Megapixel | 12 Megapixel | Fairphone 4 has better front camera resolution than ASUS Zenfone 8. |
| Sensor Size (Front) | 1/2.78" | - | |
| Sensor Name (Front) | Sony Exmor RS IMX576 sensor | Sony Exmor RS IMX663 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Fairphone 4 has better front lens aperture than Fairphone 4. |
| Pixel Size (Front) | - | 1.22 μm | |
| Focus Adjustment | Focus free | Automatic | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | - | Portrait | |
| 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 | Dual Pixel technology, EIS video stabilisation, Dual Phase Detect Auto-Focus (PDAF) |
| BATTERY AND CHARGING | Fairphone 4 | ASUS Zenfone 8 |
|---|
| Battery Capacity (Battery Size) | 3905 mAh | 4000 mAh | ASUS Zenfone 8 has larger battery capacity than Fairphone 4. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0, Power Delivery 3.0 | ASUS Zenfone 8 has fast charging technology. |
| 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 | - |
| CELLULAR | Fairphone 4 | ASUS Zenfone 8 |
|---|
| 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 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi, 5G NR | GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+, Gigabit LTE, 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 | |
| Bluetooth | Bluetooth 5.1 LE | Bluetooth 5.2 EDR | |
| Bluetooth Profiles | - | HFP, OPP, PAN, A2DP, AVRCP, HID | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | - | Snapdragon X60 5G |
| MEDIA | Fairphone 4 | ASUS Zenfone 8 |
|---|
| 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 | - | |
| Sound Enhancements | - | Dirac HD Sound, ASUS Audio Wizard, Hi-Res audio certified, OZO Audio, Qualcomm aptX audio, Qualcomm aptX HD audio, Qualcomm aptX Adaptive | |
| Audio Amplifier | - | Dual Cirrus Logic CS35L45 |
| FEATURES | Fairphone 4 | ASUS Zenfone 8 |
|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, G-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, AudioWizard, One Hand Mode, ARCore, Triple internal microphones with ASUS Noise Reduction Technology, Multi-Magnet Stereo Speakers |
| OTHERS | Fairphone 4 | ASUS Zenfone 8 |
|---|
| Included Accessories | - | SIM card removal tool, USB-C to USB-C cable, protective case, power adapter (30 W) | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G, IP54 | IP68, IP65, SGS Eye Care Display Certification, SGS Seamless Pro 120Hz Certification | |
| Max Height of Shock Resistance | - | 2 m |
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