Samsung Galaxy S3 Slim Duos (SM-G3812B) vs Xiaomi 17 (512GB/12GB)
Side by side comparison between Samsung Galaxy S3 Slim vs Xiaomi 17 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
6.3"
AMOLED
AMOLED
1220x2656
50
MP
MP
50mp
12GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 17 (512GB/12GB)
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!
6 Advantages 
40 Advantages | 13 Common items in both devices |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| Proximity 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) | Xiaomi 17 (512GB/12GB) | |
| Change model | ||
| Model | Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) |
| Other model names | Galaxy S3 Slim G3812B, Samsung Galaxy Win Pro | Xiaomi 17 25113PN0EC (Xiaomi 16) |
| Country or region available |  Brazil |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 3/1/2014 | 9/27/2025, Announced: 9/25/2025 |
| Depth | 9.7 millimeters (0.38 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 66 x 133 millimeters (2.6 x 5.24 in) | 71.8 x 151.1 millimeters (2.83 x 5.95 in) |
| Weight | 139 grams (4.87 ounces) | 191 grams (6.69 ounces) |
| Build, materials | Plastic body, glass front | 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 S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| Display type | TFT LCD | LTPO AMOLED |
| Screen size | 4.5" inches | 6.3" inches |
| Screen-to-body ratio | ~63.6% (screen-to-body ratio) | ~89.5% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 1220x2656 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 245 PPI | 464 PPI |
| Colors | 16 million | 68 billion |
| Scratch-resistant glass | Not supported | Dragon Crystal Glass |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 3500nits[peak] Dolby Vision/HDR10+ |
🤖 Operating System | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| System version | Android 4.2.2 Jelly Bean | Android 16 |
| Firmware update | feature not registered | feature not registered |
| User Interface | TouchWiz UX | HyperOS 3 |
⚙️ Processor | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 200 (MSM8225Q) (45nm) | 64bit: Qualcomm Snapdragon 8 Elite Gen 5 (SM8850-AC) (3nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A5 (Quad-core) | Octa-core, 2 processors: 2x 4.61GHz Oryon V3 Phoenix L (Dual-core) 6x 3.62GHz Oryon V3 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 203 (400MHz) | Qualcomm Adreno 840 |
| Performance (benchmark) | feature not registered | AnTuTu: 3492566 (v11) Geekbench: 11228 (v6.5) |
💽 Memory and storage | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| RAM memory | 1GB LPDDR2 | 12GB LPDDR5X |
| Internal storage | 8GB (5GB available) eMMC 4.5 | 512GB (458GB available) UFS 4.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| 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 | 3000/1024 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.417mm102°1/2.76"0.64µm |
| Main camera resolution | 2592x1944 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.7 (aperture) |
| Focal length | feature not registered | 23mm (lens) |
| Sensor size | feature not registered | 1/1.31" inches |
| Pixel size | feature not registered | 1.2µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical 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 | 8K@30fps (HDR) 4K@30/60fps (HDR10+ 10-bit Dolby Vision/HDR 10-bit LOG 1080p@30/60/120/240/960fps 720p@1920fps |
📸 Front camera | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| Front camera (secondary) | 0.3 megapixels | 50 megapixels |
| Front camera resolution | 640x480 pixels | 8160x6120 pixels |
| Video recording (secondary) | VGA (640x480) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 21mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos Hi-Res audio |
| Active noise cancellation | 1 microphone | 4 microphones |
| 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) | Xiaomi 17 (512GB/12GB) | |
| USB | MicroUSB 2.0 | USB 3.2 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 | 5.4 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Si: lithium-silicon (Non removable) |
| Battery capacity | 2100 mAh | 7000 mAh |
| Charger, watts | Wired charging | 100W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 50W Qi Wireless charging (Qi/WPC) 22.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| 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 • Java framework | • Colors: Black, Blue, Pink, White |
☢️ Radiation rate | ||
| Galaxy S3 Slim Duos (SM-G3812B) | Xiaomi 17 (512GB/12GB) | |
| 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 |