Energizer Energy 400 LTE vs T-Mobile Sidekick 4G (SGH-T839)
Side by side comparison between Energizer Energy 400 LTE vs T-Mobile Sidekick 4G phones, differences, pros, cons and full specifications. What's the better?
,
4"
TFT
TFT
480x800
8
MP
MP
1.3mp
1GB
RAM
RAM
Quad-core
2500
mAh
mAh
(Non removable)
vs
3.5"
TFT
TFT
480x800
3.1
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
What's the better phone? Energizer Energy 400 LTE
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!
19 Advantages 
3 Advantages | 18 Common items in both devices |
| 15 millimeters (0.59 inches) |
| TFT LCD |
| 16 million |
| 480x800 pixels |
| Only digital zoom |
| Autofocus |
| Capacitive |
| +11 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 | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Change model | ||
| Model | Energy 400 LTE | Sidekick 4G (SGH-T839) |
| Other model names | Energizer Energy 400 4G LTE 8GB | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G |
| Country or region available |    USA, (Europe), (Global, International) | USA |
| Brand | Energizer | T-Mobile |
| Release date | 7/1/2017 | 4/20/2011 |
| Depth | 15 millimeters (0.59 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 72 x 134 millimeters (2.83 x 5.28 in) | 61 x 127 millimeters (2.4 x 5 in) |
| Weight | 204 grams (7.14 ounces) | 162 grams (5.67 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Waterproof (IP?) | Not supported |
📲 Display | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 3.5" inches |
| Screen-to-body ratio | ~47.2% (screen-to-body ratio) | ~45% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 2-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Dragontrail Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| System version | Android 6.0 Marshmallow | Android 2.2.1 Froyo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Chipset | 64bit: MediaTek MT6737M (28nm) | 32bit: Samsung Exynos 3 |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | ARM Mali-T720 MP2 550Mhz | PowerVR SGX540 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| RAM memory | 1GB LPDDR3 | 512MB |
| Internal storage | 8GB (4GB available) eMMC 5.0 | 1GB (350MB available) |
| External storage | Until 64GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| 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) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 900/2100 | UMTS 1700/2100 |
| Primary 4G network | LTE Cat4 800/1800/2600 (Bands 3,7,20) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Back camera (main camera) | 8 megapixels | 3.1 megapixels |
| Main camera resolution | 3264x2448 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | VGA (720x480) 30 fps |
| Flash | LED flash | 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 |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Front camera (secondary) | 1.3 megapixels | 0.3 megapixels |
| Front camera resolution | 1280x1024 pixels | 640x480 pixels |
| Video recording (secondary) | VGA (640x480) | Not supported |
| 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 | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | feature not registered |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2500 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 10 hours | 6.5 hours |
| Standby | 227 hours (9.5 days) | 456 hours (19 days) |
➕ Other features | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Black • WiFi hotspot • IP67 certified: dust and water resistant up to 1m and 30min | • Colors: Matte black, Pearl magenta • 2GB microSD included • Samsung TouchWiz UI • Optical trackpad • HAC M3/T3 • T-Mobile TV • DLNA • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Energizer Energy 400 LTE | T-Mobile Sidekick 4G (SGH-T839) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.643W/kg (head), 1.521W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |