Samsung Galaxy S3 Slim Duos (SM-G3812B) vs OnePlus 8 (256GB)
Side by side comparison between Samsung Galaxy S3 Slim vs OnePlus 8 phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
vs
6.55"
AMOLED
AMOLED
1080x2400
48
MP
MP
16mp
12GB
RAM
RAM
Octa-core
4300
mAh
mAh
(Non removable)
What's the better phone? OnePlus 8 (256GB)
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 
29 Advantages | 13 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +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 S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Change model | ||
| Model | Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) |
| Other model names | Galaxy S3 Slim G3812B, Samsung Galaxy Win Pro | OnePlus 8 5G (256GB+12GB RAM) |
| Country or region available |  Brazil |  (Global, International) |
| Brand | Samsung | OnePlus |
| Release date | 3/1/2014 | 4/21/2020, Announced: 4/14/2020 |
| Depth | 9.7 millimeters (0.38 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 66 x 133 millimeters (2.6 x 5.24 in) | 72.9 x 160.2 millimeters (2.87 x 6.31 in) |
| Weight | 139 grams (4.87 ounces) | 180 grams (6.3 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back Back: Gorilla Glass 5 |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Display type | TFT LCD | Fluid AMOLED |
| Screen size | 4.5" inches | 6.55" inches |
| Screen-to-body ratio | ~63.6% (screen-to-body ratio) | ~88.7% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 245 PPI | 402 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 90Hz |
| Display features | feature not registered | 1100nits[peak] HDR10+ |
🤖 Operating System | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| System version | Android 4.2.2 Jelly Bean | Android 10 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | OxygenOS 10 / 11 / 12 / 13 |
⚙️ Processor | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 200 MSM8225Q | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A5 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 203 | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 564708 (v8) Geekbench: 13291 (v4.4), 3399 (v5.1) GFXBench: 46fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| RAM memory | 1GB LPDDR2 | 12GB LPDDR4X |
| Internal storage | 8GB (5GB available) | 256GB (223GB available) UFS 3.0 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G | 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 850/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1800/1900/2100 |
| Primary 4G network | Not supported | LTE Cat18 VoLTE Europe model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 46) America model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 46, 48) India model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China model: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) |
| Primary 5G network | Not supported | SA/NSA Europe model: (1, 3, 7, 28, 78) America model: (2, 5, 41, 66, 71) India model: (78) China model: (41, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1800/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat18 VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 48 megapixels 16MP ultrawide f/2.213mmPDAF 2MP macro f/2.4 |
| Main camera resolution | 2592x1944 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 25mm lens |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: 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 and HDR photo on front camera |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) |
📸 Front camera | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Front camera (secondary) | 0.3 megapixels | 16 megapixels |
| Front camera resolution | 640x480 pixels | 4608x3456 pixels |
| Video recording (secondary) | VGA (640x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Loudspeaker | Supported | Stereo sound Dolby Atmos |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| 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 | 4.0 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2100 mAh | 4300 mAh |
| Charger, watts | Wired charging | 30W (5V/6A) Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| Call control | Voice dialing, Voice recorder | 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 • Samsung TouchWiz UX • Java framework | • Colors: Onyx Black, Glacial Green, Interstellar Glow |
☢️ Radiation rate | ||
| Galaxy S3 Slim Duos (SM-G3812B) | OnePlus 8 (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.61W/kg (head), 1.13W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.553W/kg (head), 0.395W/kg (body) | feature not registered |