Samsung Galaxy A8 Duos (SM-A800YZ) vs Samsung Galaxy Attain 4G (SCH-R920)
Side by side comparison between Samsung Galaxy A8 vs Samsung Galaxy Attain 4G phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
AMOLED
AMOLED
1080x1920
16
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3050
mAh
mAh
(Non removable)
vs
3.5"
TFT
TFT
320x480
3.1
MP
MP
1.3mp
512MB
RAM
RAM
Single-core
1650
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A8 Duos (SM-A800YZ)
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!
26 Advantages 
2 Advantages | 13 Common items in both devices |
| LED flash |
| Only digital zoom |
| Autofocus |
| 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| +6 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 A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Model | Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) |
| Other model names | Chunghwa Telecom Galaxy A8 SM-A800IZ Dual-Sim | MetroPCS Samsung Galaxy Attain 4G R920, Samsung SCH-R920 |
| Country or region available |  Taiwan |  USA |
| Brand | Samsung | Samsung |
| Release date | 8/1/2015 | 2/6/2012 |
| Depth | 5.9 millimeters (0.23 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 76.8 x 158 millimeters (3.02 x 6.22 in) | 60.5 x 116 millimeters (2.38 x 4.57 in) |
| Weight | 151 grams (5.29 ounces) | 119 grams (4.17 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 5.7" inches | 3.5" inches |
| Screen-to-body ratio | ~73.8% (screen-to-body ratio) | ~52% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 386 PPI | 165 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| System version | Android 5.1.1 Lollipop | Android 2.3.6 Gingerbread |
| Firmware update | Android 6.0 Marshmallow | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Chipset | 32bit: Samsung Exynos 5 Octa 5430 (28nm) | 32bit: Qualcomm Snapdragon MSM8655T |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) |
| GPU graphical controller | ARM Mali-T628 MP6 600Mhz | Qualcomm Adreno 205 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 32GB (25GB available) eMMC 5.0 | 2GB (1.39GB available) |
| External storage | Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| 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) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1700/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat4 (Bands 3, 8, 28) TD-LTE (Bands 40) | LTE 1700/2100 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | CDMA2000 EV-DO Rev A, LTE |
| 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 | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Back camera (main camera) | 16 megapixels | 3.1 megapixels |
| Main camera resolution | 4608x3456 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (720x480) |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | 31mm lens | 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 | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Front camera (secondary) | 5 megapixels | 1.3 megapixels |
| Front camera resolution | 2592x1944 pixels | 1280x1024 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | 23mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, MKV, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3050 mAh | 1650 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 17 hours | 3.5 hours |
| Standby | feature not registered | 200 hours (8.3 days) |
➕ Other features | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Gold • Samsung TouchWiz UX | • Colors: Black • 2GB microSD included • Samsung TouchWiz 4 UI • HAC M4/T4 • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy A8 Duos (SM-A800YZ) | Galaxy Attain 4G (SCH-R920) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.91W/kg (head), 1.099W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.317W/kg (head), 0.546W/kg (body) | feature not registered |