Samsung Infuse 4G (SGH-i997) vs Samsung Galaxy Express 2 (SM-G3815)
Side by side comparison between Samsung Infuse 4G vs Samsung Galaxy Express 2 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
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1.5GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Express 2 (SM-G3815)
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!
6 Advantages 
15 Advantages | 21 Common items in both devices |
| 16 million |
| 4.5" |
| LED flash |
| Only digital zoom |
| Autofocus |
| HD (1280x720) |
| Capacitive |
| +14 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 Express 2 (SM-G3815) | |
| Change model | ||
| Model | Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) |
| Other model names | AT&T Samsung Galaxy Infuse 4G i997, Samsung SGH-i997R | Samsung Galaxy Express II G3815 |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 5/15/2011 | 10/1/2013 |
| Depth | 9 millimeters (0.35 inches) | 9.8 millimeters (0.39 inches) |
| Size (width x height) | 71 x 132 millimeters (2.8 x 5.2 in) | 65.7 x 132.4 millimeters (2.59 x 5.21 in) |
| Weight | 139 grams (4.87 ounces) | 134 grams (4.69 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Display type | Super AMOLED Plus | TFT LCD |
| Screen size | 4.5" inches | 4.5" inches |
| Screen-to-body ratio | ~61.5% (screen-to-body ratio) | ~64.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| System version | Android 2.2.1 Froyo | Android 4.2.2 Jelly Bean |
| Firmware update | Android 2.3.6 Gingerbread | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Chipset | 32bit: Samsung Exynos 3 | 32bit: Qualcomm Snapdragon 400 MSM8930AB |
| CPU | Single-core, 1 processor: 1x 1.2GHz ARM Cortex-A8 (Single-core) | Dual-core, 1 processor: 2x 1.7GHz Krait 300 (Dual-core) |
| GPU graphical controller | PowerVR SGX540 | Qualcomm Adreno 305 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| RAM memory | 512MB LPDDR2 | 1.5GB LPDDR2 |
| Internal storage | 16GB (13GB available) | 8GB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 21/3.6 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G | 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 850/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | Not supported | LTE 800/900/1800/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | 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 | Autofocus | Autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Front camera (secondary) | 1.3 megapixels | 0.3 megapixels |
| Front camera resolution | 1280x1024 pixels | 640x480 pixels |
| Video recording (secondary) | Not supported | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, H.263, H.264, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+, AC3, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Micro-B USB MHL |
| Bluetooth | 3.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | feature not registered |
🧭 Sensors | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1750 mAh | 2100 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 8 hours | 11 hours |
| Standby | 400 hours (16.7 days) | 480 hours (20 days) |
➕ Other features | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| 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: Blue, White • Samsung TouchWiz UI Java framework |
☢️ Radiation rate | ||
| Samsung Infuse 4G (SGH-i997) | Galaxy Express 2 (SM-G3815) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.38W/kg (head), 0.7W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.38W/kg (head), 0.36W/kg (body) |