📱 Model features |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Model | Galaxy J8 (SM-J810M/DS 64GB) | X90 (128GB) |
| Other model names | Galaxy J8 J810M/Dual-SIM (4GB RAM) | X90 (V2241A) |
| Country or region available |  
(Latin America), Brazil | 
(Global, International) |
| Brand | Samsung | Vivo |
| Release date | 8/1/2018, Announced: 5/31/2018 | 11/30/2022, Announced: 11/22/2022 |
| Depth | 8.2 millimeters (0.32 inches) | 8.5 millimeters (0.33 inches) |
| Size (width x height) | 75.7 x 159.2 millimeters (2.98 x 6.27 in) | 74.4 x 164.1 millimeters (2.93 x 6.46 in) |
| Weight | 177 grams (6.2 ounces) | 196 grams (6.86 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP65 certified: dust proof and protection from short-term exposure to water jets |
🤖 Operating System |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| System version | Android 8.0 Oreo | Android 13 |
| Firmware update | Android 10 | feature not registered |
| User Interface | One UI 2.0 | Funtouch OS (Global)
Origin OS 3 (China) |
⚙️ Processor |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Chipset | 64bit: Qualcomm Snapdragon 450 (SDM450) (14nm) | 64bit: MediaTek Dimensity 9200 (4nm) |
| CPU | Octa-core, 1 processor:
8x 1.8GHz ARM Cortex-A53 (Octa-core) | Octa-core, 3 processors:
1x 3.05GHz ARM Cortex-X3 (Single-core)
3x 2.85GHz ARM Cortex-A715 (Triple-core)
4x 1.8GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 506 (600MHz) | ARM G-715 MC11 (Immortalis) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| RAM memory | 4GB LPDDR3 | 8GB LPDDR5 |
| Internal storage | 64GB (51GB available)
eMMC 5.1 | 128GB (101GB available)
UFS 3.1 |
| External storage | Until 256GB microSD, microSDXC
(dedicated slot) | Not supported |
📲 Display |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Display type | Super AMOLED | AMOLED |
| Screen size | 6" inches | 6.78" inches |
| Screen-to-body ratio | ~75.8% (screen-to-body ratio) | ~90.9% (screen-to-body ratio) |
| Display resolution | 720x1480 pixels (18.5:9) | 1260x2800 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 274 PPI | 453 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | HDR10+
100% DCI-P3 |
📶 Mobile networks |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| 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)
nano-SIM (4FF) | 2 slots (Dual-SIM)
nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band detailsCollapse 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, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO
UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 17, 28) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 8, 28, 41, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, 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 | UMTS 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 17, 28) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Back camera (main camera) | (dual camera)
16 megapixels
5MP depthf/1.9 | (triple camera)
50 megapixels
12MP telephotof/2.050mm1/2.93"1.22µm2x-optical-zoom
12MP ultrawidef/2.016mm1/2.93"1.22µmAF |
| Main camera resolution | 4608x3456 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash on both cameras | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/1.49" inches |
| Pixel size | feature not registered | 1µm 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 | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60fps
1080p@30/60fps
Zeiss optics
Sony IMX663, IMX866 sensors |
📸 Front camera |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Front camera (secondary) | 16 megapixels | 32 megapixels |
| Front camera resolution | 4608x3456 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | LED | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.5 (aperture) |
| Focal length | 26mm lens | 24mm lens |
| Sensor size | 1/3.06" inches | 1/2.8" inches |
| Pixel size | 1µm pixel | 0.8µm pixel |
🔉 Sound and multimedia |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Loudspeaker | Mono sound (not stereo) | Stereo sound
24-bit/192kHz |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 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 | 4.2 + A2DP | 5.3 + A2DP/LE |
| WiFi | 802.11 b/g/n (2.4GHz)
WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Sensors | Accelerometer
Face unlock
Fingerprint sensor (rear-mounted)
Hall effect
Proximity sensor | Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 4810 mAh |
| Charger, watts | 7.75W (5V/1.55A) Wired charging | 120W Wired fast charging
Reverse charging by cable |
| Wireless charging | Not supported | Not supported |
| Talk time autonomy | 23 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| 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, Gold, Blue, Lavender, Purple | • Colors: Black, Red, Blue |
☢️ Radiation rate |
| Samsung Galaxy J8 (SM-J810M/DS 64GB) | Vivo X90 (128GB) |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.37W/kg (head), 1.34W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |