Samsung Galaxy Quantum 2 vs Samsung Galaxy Alpha (SM-G850A)
Side by side comparison between Samsung Galaxy Quantum 2 vs Samsung Galaxy Alpha phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1440x3200
64
MP
MP
10mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
4.7"
AMOLED
AMOLED
720x1280
12
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
1860
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Quantum 2
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!
20 Advantages 
6 Advantages | 24 Common items in both devices |
| Dynamic AMOLED / Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +17 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 highlight๐ฑ Model features | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Change model | ||
| Model | Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) |
| Other model names | Galaxy Quantum 2 5G (SM-A826S), ๊ฐค๋ญ์ ํํ 2 (SKT) | AT&T Samsung Galaxy Alpha S801 SM-G850A for USA |
| Country or region available |  South Korea |  USA |
| Brand | Samsung | Samsung |
| Release date | 4/23/2021, Announced: 4/13/2021 | 9/1/2014 |
| Depth | 8.1 millimeters (0.32 inches) | 6.7 millimeters (0.26 inches) |
| Size (width x height) | 73.8 x 161.9 millimeters (2.91 x 6.37 in) | 65.5 x 132.4 millimeters (2.58 x 5.21 in) |
| Weight | 176 grams (6.16 ounces) | 115 grams (4.03 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
๐ฒ Display | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 6.7" inches | 4.7" inches |
| Screen-to-body ratio | ~90.7% (screen-to-body ratio) | ~70.2% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 524 PPI | 312 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1200nits[peak] Always-On Display | feature not registered |
๐ค Operating System | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| System version | Android 11 | Android 4.4.4 KitKat |
| Firmware update | Android 13 | Android 5.0.2 Lollipop |
| User Interface | One UI 3.1 / 4.1 / 5.0 | feature not registered |
โ๏ธ Processor | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) |
| CPU | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | Qualcomm Adreno 330 578Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
๐ฝ Memory and storage | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (102GB available) UFS 3.0 | 32GB (25GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
๐ถ Mobile networks | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 850/900/1900/2100 |
| Primary 4G network | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,17) |
| Primary 5G network | SA/NSA/Sub6 (78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| 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 |
๐ท Camera | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2123ยฐ1.12ยตm 5MP macro f/2.4 | 12 megapixels |
| Main camera resolution | 10120x6328 pixels | 4608x2592 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8ยตm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo/video only main camera |
| Camera extras | 4K@30fps 1080p@30/60fps 1080p@240fps (slow motion) | feature not registered |
๐ธ Front camera | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Front camera (secondary) | 10 megapixels | 2.1 megapixels |
| Front camera resolution | 3872x2592 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 |
๐ Sound and multimedia | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
๐ Connectivity | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) 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 | Not supported |
๐งญ Sensors | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
๐ Battery | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 1860 mAh |
| Charger, watts | 25W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | feature not registered | feature not registered |
โ Other features | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| 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 | โข Colors: Black, White, Violet | โข Colors: Black, Silver, White, Gold, Blue โข USB OTG On-The-Go โข Dual Shot camera (video + photo) โข Fingerprint sensor (PayPal certified) โข Dropbox 50GB โข ANT+ support |
โข๏ธ Radiation rate | ||
| Galaxy Quantum 2 | Galaxy Alpha (SM-G850A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.25W/kg (head), 1.05W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.4W/kg (head), 0.265W/kg (body) |