Samsung Galaxy S8 (SM-G950FD) vs Sony Xperia X (F5121)
Side by side comparison between Samsung Galaxy S8 vs Sony Xperia X phones, differences, pros, cons and full specifications. What's the better?
,
5.8"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
5"
IPS
IPS
1080x1920
23
MP
MP
13mp
3GB
RAM
RAM
Hexa-core
2620
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S8 (SM-G950FD)
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!
23 Advantages 
6 Advantages | 24 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 2TB microSD, microSDXC |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF on back camera and autofocus front camera / Autofocus |
| HDR photo/video on both cameras |
| 4G LTE-A |
| +17 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 S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Model | Galaxy S8 (SM-G950FD) | Xperia X (F5121) |
| Other model names | Galaxy S8 Duos G950FD (Exynos), Samsung Dream | Sony Xperia X 32GB F5121, Sony Suzu SS |
| Country or region available |    (Global, International), Brazil, Singapore | feature not registered |
| Brand | Samsung | Sony |
| Release date | 4/21/2017, Announced: 3/29/2017 | 5/1/2016 |
| Depth | 8 millimeters (0.31 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 68.1 x 148.9 millimeters (2.68 x 5.86 in) | 69.4 x 142.7 millimeters (2.73 x 5.62 in) |
| Weight | 155 grams (5.43 ounces) | 153 grams (5.36 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5.8" inches | 5" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~69.6% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 568 PPI | 441 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | HDR10 | feature not registered |
🤖 Operating System | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| System version | Android 7.0 Nougat | Android 6.0.1 Marshmallow |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Chipset | 64bit: Samsung Exynos 8895 (10nm) | 64bit: Qualcomm Snapdragon 650 MSM8956 (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz M2 Mongoose (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) | Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A72 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G71 MP20 (546MHz) | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | AnTuTu: 204469 (v7) | feature not registered |
💽 Memory and storage | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| RAM memory | 4GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 64GB (51GB available) UFS 2.1 | 32GB (20GB available) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 2TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| 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 | 1024/150 Mbps | 300/50 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 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat16 (1,2,3,4,5,7,8,12,20,28,29,30) TD-LTE (38,39,40,41) | LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,19,20,26,28) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| 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 S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Back camera (main camera) | 12.2 megapixels | 23 megapixels |
| Main camera resolution | 4032x3024 pixels | 5536x4152 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.55" inches | 1/2.3" inches |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF on back camera and autofocus front camera | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Front camera (secondary) | 8 megapixels | 13 megapixels |
| Front camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | feature not registered |
| Focal length | 25mm lens | feature not registered |
| Sensor size | 1/3.6" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.265, H.264, H.263, XviD |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 2620 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging Quick Charge 2 | Wired charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | feature not registered |
| Talk time autonomy | 29 hours (1.2 days) | feature not registered |
| Standby | 326 hours (13.6 days) | feature not registered |
➕ Other features | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| 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, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio | • Colors: White, Graphite Black, Lime Gold, Rose Gold • USB OTG On-The-Go • Triluminos display • Oleophobic coating • Fingerprint sensor • Sony Exmor RS sensor • PDAF technology on camera • Sony ClearAudio+ • PS4 integration |
☢️ Radiation rate | ||
| Galaxy S8 (SM-G950FD) | Sony Xperia X (F5121) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.44W/kg (head), 0.75W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.315W/kg (head), 1.27W/kg (body) | feature not registered |