Infinix Zero Flip (256GB) vs Samsung Galaxy S21 FE (SM-G9900 128GB)
Side by side comparison between Infinix Zero Flip vs Samsung Galaxy S21 FE phones, differences, pros, cons and full specifications. What's the better?
,
6.9"
AMOLED
AMOLED
1080x2640
50
MP
MP
50mp
8GB
RAM
RAM
Octa-core
4720
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 FE (SM-G9900 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!
14 Advantages 
16 Advantages | 30 Common items in both devices |
| UFS 3.1 |
| LTPO AMOLED / Dynamic AMOLED |
| 120Hz |
| 16 million |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| +23 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 | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Model | Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) |
| Other model names | Infinix Zero Flip X6962 | Galaxy S21 FE 5G SM-G9900 Dual-SIM (Exynos) |
| Country or region available |  (Global, International) |  China |
| Brand | Infinix | Samsung |
| Release date | 10/1/2024, Announced: 9/27/2024 | 1/7/2022, Announced: 1/4/2022 |
| Depth | 7.6 millimeters (0.3 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 73.4 x 170.4 millimeters (2.89 x 6.71 in) | 74.5 x 155.7 millimeters (2.93 x 6.13 in) |
| Weight | 195 grams (6.83 ounces) | 177 grams (6.2 ounces) |
| Build, materials | Plastic body Folded: 16 x 73.4 x 87.5 mm | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Display type | LTPO AMOLED | Dynamic AMOLED |
| Screen size | 6.9" inches | 6.4" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) | ~85.3% (screen-to-body ratio) |
| Display resolution | 1080x2640 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 413 PPI | 411 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | 120Hz | 120Hz |
| Display features | 1400nits[peak] Extra display: AMOLED 3.64" (1056x1066), 120Hz, 413PPI, Gorilla Glass Victus | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| System version | Android 14 | Android 12 |
| Firmware update | Android 16 | Android 15 |
| User Interface | XOS 14 / 15 / 16 | One UI 4.1 / 5.1 / 6.0 / 7.0 |
⚙️ Processor | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Chipset | 64bit: MediaTek Dimensity 8020 (6nm) | 64bit: Samsung Exynos 2100 (5nm) |
| CPU | Octa-core, 2 processors: 4x 2.6GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | ARM Mali-G77 MC9 | ARM Mali-G78 MP14 (854MHz) |
| Performance (benchmark) | AnTuTu: 729420 (v10) | feature not registered |
💽 Memory and storage | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| RAM memory | 8GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 256GB (220GB available) UFS 3.1 | 128GB (97GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 2000/1024 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78) | SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Secondary 4G network | LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Secondary 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 |
📷 Camera | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Back camera (main camera) | (dual camera) 50 megapixels 50MP ultrawide f/2.2115°1/2.8"0.64µmPDAF | (triple camera) 12.2 megapixels 12MP ultrawide f/2.2123°13mm1/3"1.12µm 8MP telephoto f/2.476mm1/4.5"1.0µmPDAFOIS3x-optical-zoom |
| Main camera resolution | 8160x6120 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED on both cameras | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
| Focal length | 24mm (lens) | 26mm (lens) |
| Sensor size | 1/1.57" inches | 1/1.76" inches |
| Pixel size | 1µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | 4K@30fps 1080p@30/60/120fps | 4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) |
📸 Front camera | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Front camera (secondary) | 50 megapixels | 32 megapixels |
| Front camera resolution | 8160x6120 pixels | 6528x4896 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Dual-LED | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.2 (aperture) |
| Focal length | 25mm (lens) | 26mm (lens) |
| Sensor size | 1/2.76" inches | 1/2.74" inches |
| Pixel size | 0.64µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Hi-Res audio Tuned by JBL | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones | 2 microphones |
| Radio | FM | 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 | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 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 SlimPort® |
| Bluetooth | 5.4 + A2DP/LE | 5.0 + 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 | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Sensors | Accelerometer Compass Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4720 mAh | 4500 mAh |
| Charger, watts | 70W Wired fast charging 10W Reverse charging by cable | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 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: Rock Black, Blossom Glow | • Colors: Graphite, White, Lavender, Olive |
☢️ Radiation rate | ||
| Infinix Zero Flip (256GB) | Galaxy S21 FE (SM-G9900 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.674W/kg (head), 1.501W/kg (body) |