Ulefone Armor 8 Pro (128GB/8GB) vs Samsung Galaxy S4 Active (SGH-i537)
Side by side comparison between Ulefone Armor 8 Pro vs Samsung Galaxy S4 Active phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
IPS
IPS
720x1560
16
MP
MP
8mp
8GB
RAM
RAM
Octa-core
5580
mAh
mAh
(Non removable)
vs
5"
TFT
TFT
1080x1920
8
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
2600
mAh
mAh
(Removable)
What's the better phone? Ulefone Armor 8 Pro (128GB/8GB)
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!
24 Advantages 
7 Advantages | 27 Common items in both devices |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| Full HD (1920x1080) |
| +20 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 | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Model | Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) |
| Other model names | Ulefone Armor 8 Pro (128GB + 8GB RAM) | Galaxy S4 Active SGH-i537 (AT&T) |
| Country or region available |  (Global, International) |  USA |
| Brand | Ulefone | Samsung |
| Release date | 4/28/2021 | 6/20/2013 |
| Depth | 15 millimeters (0.59 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 81.8 x 166 millimeters (3.22 x 6.54 in) | 71.3 x 139.7 millimeters (2.81 x 5.5 in) |
| Weight | 282 grams (9.87 ounces) | 153 grams (5.36 ounces) |
| Build, materials | Aluminum body with rubber, glass front | Plastic body, glass front |
| Protection against water and others | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IP67 certified: dust proof and waterproof over 1 meter and 30min |
📲 Display | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.1" inches | 5" inches |
| Screen-to-body ratio | ~67.3% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 1080x1920 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 282 PPI | 441 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass 2 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| System version | Android 11 | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | Android 5.0.1 Lollipop |
| User Interface | feature not registered | TouchWiz UI |
⚙️ Processor | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Chipset | 64bit: MediaTek MT6771 Helio P60 (12nm) | 32bit: Qualcomm Snapdragon 600 (APQ8064AB) (28nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A73 (Quad-core) 4x 2GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.9GHz Krait 300 (Quad-core) |
| GPU graphical controller | ARM Mali-G72 MP3 800Mhz | Qualcomm Adreno 320 (450MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| RAM memory | 8GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (107GB available) eMMC 5.1 | 16GB (11.2GB available) eMMC 4.5 |
| External storage | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 300/150 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 850/900/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) VoLTE | LTE Cat3 (1, 2, 4, 5, 7, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Back camera (main camera) | (triple camera) 16 megapixels 5MP macro f/2.4 2MP depth f/2.2 | 8 megapixels |
| Main camera resolution | 4608x3456 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.6 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Front camera (secondary) | 8 megapixels | 2.1 megapixels |
| Front camera resolution | 3264x2448 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | 31mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL-2 |
| Bluetooth | 4.2 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Pedometer Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5580 mAh | 2600 mAh |
| Charger, watts | 15W Wired fast charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 16 hours | 17 hours |
| Standby | 570 hours (23.8 days) | 312 hours (13 days) |
➕ Other features | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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: Black • Oleophobic coating display • Google Pay • Drop-to-concrete resistance from up to 1.5m | • Colors: Urban Grey, Dive Blue, Orange Flare • Dual Shot camera • LED notification • mDNIe • S-Voice • Group Play • Smart Stay eye tracking |
☢️ Radiation rate | ||
| Ulefone Armor 8 Pro (128GB/8GB) | Galaxy S4 Active (SGH-i537) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.607W/kg (head), 1.219W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.209W/kg (head), 0.277W/kg (body) |