Samsung Galaxy A8 Duos (SM-A800YZ) vs OnePlus 9 Pro UW (128GB)
Side by side comparison between Samsung Galaxy A8 vs OnePlus 9 Pro 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
6.7"
AMOLED
AMOLED
1440x3216
48
MP
MP
16mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? OnePlus 9 Pro UW (128GB)
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!
7 Advantages 
26 Advantages | 23 Common items in both devices |
| Aluminum body, glass front, plastic back / Aluminum frame, glass front/back |
| Super AMOLED / Fluid AMOLED |
| Only digital zoom |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| +16 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) | OnePlus 9 Pro UW (128GB) | |
| Model | Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) |
| Other model names | Chunghwa Telecom Galaxy A8 SM-A800IZ Dual-Sim | OnePlus 9 Pro 5G LE2121 (T-Mobile) UltraWideband |
| Country or region available |  Taiwan |  USA |
| Brand | Samsung | OnePlus |
| Release date | 8/1/2015 | 3/30/2021, Announced: 3/23/2021 |
| Depth | 5.9 millimeters (0.23 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 76.8 x 158 millimeters (3.02 x 6.22 in) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) |
| Weight | 151 grams (5.29 ounces) | 197 grams (6.9 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| Display type | Super AMOLED | Fluid AMOLED |
| Screen size | 5.7" inches | 6.7" inches |
| Screen-to-body ratio | ~73.8% (screen-to-body ratio) | ~89.9% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1440x3216 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 386 PPI | 526 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 5 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| System version | Android 5.1.1 Lollipop | Android 11 |
| Firmware update | Android 6.0 Marshmallow | Android 13 |
| User Interface | feature not registered | OxygenOS 13 |
⚙️ Processor | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| Chipset | 32bit: Samsung Exynos 5 Octa 5430 (28nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | ARM Mali-T628 MP6 600Mhz | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| RAM memory | 2GB LPDDR3 | 8GB LPDDR5 |
| Internal storage | 32GB (25GB available) eMMC 5.0 | 128GB (101GB available) UFS 3.1 |
| External storage | Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| 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) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1800/1900/2100 |
| Primary 4G network | LTE Cat4 (Bands 3, 8, 28) TD-LTE (Bands 40) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 2, 3, 7, 25, 28, 41, 66, 71, 78) mmWave (258, 260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| 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) | OnePlus 9 Pro UW (128GB) | |
| Back camera (main camera) | 16 megapixels | (quad camera) 48 megapixels 8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4 |
| Main camera resolution | 4608x3456 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
| Focal length | 31mm (lens) | 23mm (lens) |
| Sensor size | feature not registered | 1/1.43" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60/120fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor |
📸 Front camera | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| Front camera (secondary) | 5 megapixels | 16 megapixels |
| Front camera resolution | 2592x1944 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.4 (aperture) |
| Focal length | 23mm (lens) | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, MKV, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| USB | MicroUSB 2.0 | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.1 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3050 mAh | 4500 mAh |
| Charger, watts | Wired charging | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 |
| Inductive / wireless charging | feature not registered | 50W Qi Wireless charging (Qi/WPC) |
| Talk time autonomy | 17 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Gold • Samsung TouchWiz UX | • Colors: Stellar Black, Morning Mist, Pine Green |
☢️ Radiation rate | ||
| Galaxy A8 Duos (SM-A800YZ) | OnePlus 9 Pro UW (128GB) | |
| 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 |