Micromax A45 (Superfone Punk) vs T-Mobile Sidekick 4G (SGH-T839)
Side by side comparison between Micromax A45 vs T-Mobile Sidekick 4G phones, differences, pros, cons and full specifications. What's the better?
,
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? T-Mobile Sidekick 4G (SGH-T839)
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 
17 Advantages | 15 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| 3.5" |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| +8 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 | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Change model | ||
| Model | A45 (Superfone Punk) | Sidekick 4G (SGH-T839) |
| Other model names | Micromax Superfone Punk A45, Micromax A45 Rihanna | T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G |
| Country or region available |  India |  USA |
| Brand | Micromax | T-Mobile |
| Release date | 7/1/2012 | 4/20/2011 |
| Depth | 13 millimeters (0.51 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 63 x 115 millimeters (2.48 x 4.53 in) | 61 x 127 millimeters (2.4 x 5 in) |
| Weight | 120 grams (4.2 ounces) | 162 grams (5.67 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.5" inches | 3.5" inches |
| Screen-to-body ratio | ~50.3% (screen-to-body ratio) | ~45% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 165 PPI | 267 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| System version | Android 2.3.6 Gingerbread | Android 2.2.1 Froyo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Chipset | 32bit: MediaTek MT6513 (65nm) | 32bit: Samsung Exynos 3 |
| CPU | Single-core, 1 processor: 1x 650MHz ARM Cortex-A9 (Single-core) | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) |
| GPU graphical controller | PowerVR SGX531 281Mhz | PowerVR SGX540 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| RAM memory | 256MB | 512MB |
| Internal storage | 512MB (180MB available) | 1GB (350MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 0.236 Mbps | 21/5.76 Mbps |
| Network technology | 2G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 900/1800 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 1700/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 900/1800 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | Not supported |
📷 Camera | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Back camera (main camera) | 2 megapixels | 3.1 megapixels |
| Main camera resolution | 1600x1200 pixels | 2048x1536 pixels |
| Video recording (primary) | VGA (640x480) 30 fps | VGA (720x480) 30 fps |
| 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 |
| Autofocus | Not supported | Autofocus |
| Touch focus | Not supported | feature not registered |
| Image stabilization | Not supported | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | Not supported | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 640x480 pixels |
| Video recording (secondary) | Not supported | 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 | ||
| Micromax A45 (Superfone Punk) | 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, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, AAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Micromax A45 (Superfone Punk) | 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 | 2.0 + 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 | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1300 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 4.5 hours | 6.5 hours |
| Standby | 167 hours (7 days) | 456 hours (19 days) |
➕ Other features | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Black, White Java framework | • 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 | ||
| Micromax A45 (Superfone Punk) | T-Mobile Sidekick 4G (SGH-T839) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |