Samsung Infuse 4G (SGH-i997) vs Samsung Galaxy Z Flip 4 (SM-F721U 256GB)
Side by side comparison between Samsung Infuse 4G vs Samsung Galaxy Z Flip 4 phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
480x800
8
MP
MP
1.3mp
512MB
RAM
RAM
Single-core
1750
mAh
mAh
(Removable)
vs
6.7"
AMOLED
AMOLED
1080x2640
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
3700
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721U 256GB)
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!
5 Advantages 
25 Advantages | 16 Common items in both devices |
| Super AMOLED Plus / Dynamic AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| +9 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 | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Change model | ||
| Model | Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) |
| Other model names | AT&T Samsung Galaxy Infuse 4G i997, Samsung SGH-i997R | Galaxy Z Flip4 5G (SM-F721U1) |
| Country or region available |  USA | USA |
| Brand | Samsung | Samsung |
| Release date | 5/15/2011 | 8/25/2022, Announced: 8/10/2022 |
| Depth | 9 millimeters (0.35 inches) | 6.9 millimeters (0.27 inches) |
| Size (width x height) | 71 x 132 millimeters (2.8 x 5.2 in) | 71.9 x 165.2 millimeters (2.83 x 6.5 in) |
| Weight | 139 grams (4.87 ounces) | 187 grams (6.55 ounces) |
| Build, materials | feature not registered | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus+ Folded: 15.9 x 71.9 x 84.9 mm |
| Protection against water and others | Not supported | IPX8 certified: water resistant up to 1.5 meters and 30min |
📲 Display | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Display type | Super AMOLED Plus | Dynamic AMOLED |
| Screen size | 4.5" inches | 6.7" inches |
| Screen-to-body ratio | ~61.5% (screen-to-body ratio) | ~85.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2640 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 426 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+ |
🤖 Operating System | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| System version | Android 2.2.1 Froyo | Android 12 |
| Firmware update | Android 2.3.6 Gingerbread | Android 15 |
| User Interface | feature not registered | One UI 4.1 / 5.1 / 6.0 / 7.0 |
⚙️ Processor | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Chipset | 32bit: Samsung Exynos 3 | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Single-core, 1 processor: 1x 1.2GHz ARM Cortex-A8 (Single-core) | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | PowerVR SGX540 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| RAM memory | 512MB LPDDR2 | 8GB LPDDR5 |
| Internal storage | 16GB (13GB available) | 256GB (218GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 21/3.6 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G | 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 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
| Secondary 2G network | Not supported | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
📷 Camera | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Back camera (main camera) | 8 megapixels | (dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm |
| Main camera resolution | 3264x2448 pixels | 4032x3024 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/1.76" inches |
| Pixel size | feature not registered | 1.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion |
📸 Front camera | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Front camera (secondary) | 1.3 megapixels | 10 megapixels |
| Front camera resolution | 1280x1024 pixels | 3872x2592 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, H.263, H.264, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, AC3, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Micro-B USB MHL | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1750 mAh | 3700 mAh |
| Charger, watts | Wired charging | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | 8 hours | 34 hours (1.4 days) |
| Standby | 400 hours (16.7 days) | feature not registered |
➕ Other features | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 2GB microSD included • Samsung TouchWiz 3.0 UI • Touch focus • HAC M3/T3 • DLNA • Java framework | • Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Z Flip 4 (SM-F721U 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.02W/kg (head), 0.94W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |