Samsung Galaxy Axiom (SCH-R830) vs Samsung Galaxy Mega 2 Duos (SM-G7508Q)
Side by side comparison between Samsung Galaxy Axiom vs Samsung Galaxy Mega 2 phones, differences, pros, cons and full specifications. What's the better?
,
4"
AMOLED
AMOLED
480x800
5
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
2100
mAh
mAh
(Removable)
vs
6"
TFT
TFT
720x1280
8
MP
MP
2.1mp
1.5GB
RAM
RAM
Quad-core
2800
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Mega 2 Duos (SM-G7508Q)
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!
4 Advantages 
18 Advantages | 19 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| 4G LTE |
| +12 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 | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Change model | ||
| Model | Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) |
| Other model names | Galaxy Axiom R830 for US Cellular | Galaxy Mega 2 LTE G7508Q, Samsung Vasta |
| Country or region available |  USA |   China, Hong Kong |
| Brand | Samsung | Samsung |
| Release date | 11/28/2012 | 9/1/2014 |
| Depth | 11.9 millimeters (0.47 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 63.8 x 121.7 millimeters (2.51 x 4.79 in) | 84.9 x 163.6 millimeters (3.34 x 6.44 in) |
| Weight | 136 grams (4.76 ounces) | 194 grams (6.79 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 4" inches | 6" inches |
| Screen-to-body ratio | ~58.7% (screen-to-body ratio) | ~71.5% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 5-points |
| Pixel density (dot pitch) | 233 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 4.4.4 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 MSM8960 Lite (28nm) | 64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz Krait (Dual-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 230 400Mhz | Qualcomm Adreno 306 (400MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| RAM memory | 1GB LPDDR2 | 1.5GB LPDDR2 |
| Internal storage | 4GB (1.83GB available) | 8GB (5GB available) eMMC 4.5 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1700/1900/2100 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat3 (Bands 2, 4, 5, 12) | LTE Cat4 (1, 3, 7) TD-LTE (38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2592x1944 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| 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 | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Front camera (secondary) | 1.3 megapixels | 2.1 megapixels |
| Front camera resolution | 1280x1024 pixels | 1920x1080 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| 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 | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, H.264, H.263, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| 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 | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2100 mAh | 2800 mAh |
| Charger, watts | Wired charging | 7.75W (5V/1.55A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 8 hours | 22 hours |
| Standby | 252 hours (10.5 days) | feature not registered |
➕ Other features | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Blue • Wi-Fi hotspot • Java framework | • Colors: White, Black • S Pen support • Java framework |
☢️ Radiation rate | ||
| Galaxy Axiom (SCH-R830) | Galaxy Mega 2 Duos (SM-G7508Q) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.69W/kg (head), 1.28W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |