Asus Zenfone 8 Flip (128GB) vs Samsung Galaxy M55s (SM-M558B/DS 128GB)
Side by side comparison between Asus Zenfone 8 Flip vs Samsung Galaxy M55s phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1080x2400
50
MP
MP
50mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 8 Flip (128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
15 Advantages 
9 Advantages | 33 Common items in both devices |
| 128GB (107GB available) / 128GB (105GB available) |
| Until 1TB microSD, microSDXC |
| Super AMOLED |
| 16 million |
| 1080x2400 pixels |
| PDAF: phase detection autofocus |
| BSI sensor |
| +26 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Model | Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) |
| Other model names | Asus Zenfone 8 (ZS672KS) | Galaxy M55s 5G SM-M558B/Dual-SIM |
| Country or region available |  (Global, International) |   Bangladesh, India |
| Brand | Asus | Samsung |
| Release date | 5/13/2021, Announced: 5/12/2021 | 9/26/2024, Announced: 9/24/2024 |
| Depth | 8.9 millimeters (0.35 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 68.5 x 148 millimeters (2.7 x 5.83 in) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) |
| Weight | 169 grams (5.92 ounces) | 180 grams (6.3 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.67" inches | 6.7" inches |
| Screen-to-body ratio | ~105.9% (screen-to-body ratio) | ~86.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 395 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 90Hz | 120Hz |
| Display features | 700nits[typ], 1000nits[peak] HDR10+ Always-On Display | Always-On Display |
🤖 Operating System | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| System version | Android 11 | Android 14 |
| Firmware update | Android 13 | Android 15 |
| User Interface | ZenUI 8 / 9 / 10 | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Octa-core, 3 processors: 1x 2.4GHz ARM Cortex-A710 (Single-core) 3x 2.36GHz ARM Cortex-A710 (Triple-core) 4x 1.8GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | Qualcomm Adreno 644 (443MHz) |
| Performance (benchmark) | AnTuTu: 675851 (v8), 797848(v9) Geekbench: 3673 (v5.1) GFXBench: 62fps (ES 3.1 onscreen) | AnTuTu: 582102 (v10) |
💽 Memory and storage | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| RAM memory | 8GB LPDDR5 | 8GB LPDDR4X |
| Internal storage | 128GB (107GB available) UFS 3.1 | 128GB (105GB available) UFS 2.2 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 |
| Main camera resolution | 10120x6328 pixels | 8160x6120 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.73" inches | 1/1.56" inches |
| Pixel size | 0.8µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Front camera (secondary) | Uses the back motorized camera (flip-up/rotating) | 50 megapixels |
| Front camera resolution | 10120x6328 pixels | 8160x6120 pixels |
| Video recording (secondary) | 8K UHD (7680x4320) | 4K UHD (3840x2160) |
| Front flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | f/2.4 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.73" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Loudspeaker | Stereo sound 24-bit/192kHz | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 5000 mAh |
| Charger, watts | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 45W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Galactic Black, Glacier Silver | • Colors: Thunder Black, Coral Green |
☢️ Radiation rate | ||
| Asus Zenfone 8 Flip (128GB) | Galaxy M55s (SM-M558B/DS 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.93W/kg (head) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |