Samsung Galaxy S8 (SM-G950F) vs Samsung Galaxy A40 (SM-A405FN/DS)
Side by side comparison between Samsung Galaxy S8 vs Samsung Galaxy A40 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
5.9"
AMOLED
AMOLED
1080x2340
16
MP
MP
25mp
4GB
RAM
RAM
Octa-core
3100
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S8 (SM-G950F)
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!
17 Advantages 
8 Advantages | 35 Common items in both devices |
| 4GB LPDDR4 / 4GB LPDDR4X |
| 64GB (51GB available) / 64GB (49GB available) |
| Until 1TB microSD, microSDXC |
| Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| +28 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-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Model | Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) |
| Other model names | Galaxy S8 G950F (Exynos), Samsung Dream | Galaxy A40 SM-A405FN/Dual-Sim |
| Country or region available |   (Europe), (Global, International) | (Europe), (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 4/21/2017, Announced: 3/29/2017 | 4/10/2019 |
| 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) | 69.2 x 144.4 millimeters (2.72 x 5.69 in) |
| Weight | 155 grams (5.43 ounces) | 140 grams (4.9 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| 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-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.8" inches | 5.9" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~85.5% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 568 PPI | 437 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | HDR10 | feature not registered |
🤖 Operating System | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| System version | Android 7.0 Nougat | Android 9.0 Pie |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Chipset | 64bit: Samsung Exynos 8895 (10nm) | 64bit: Samsung Exynos 7 Octa 7885 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz M2 Mongoose (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | ARM Mali-G71 MP20 (546MHz) | ARM Mali-G71 MP2 |
| Performance (benchmark) | AnTuTu: 204469 (v7) | feature not registered |
💽 Memory and storage | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| RAM memory | 4GB LPDDR4 | 4GB LPDDR4X |
| Internal storage | 64GB (51GB available) UFS 2.1 | 64GB (49GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1024/150 Mbps | 600/150 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 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat16 (1,2,3,4,5,7,8,12,20,28,29,30) TD-LTE (38,39,40,41) | LTE Cat12/13 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Back camera (main camera) | 12.2 megapixels | (dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF |
| Main camera resolution | 4032x3024 pixels | 4608x3456 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/1.7 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF on back camera and autofocus front camera | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Front camera (secondary) | 8 megapixels | 25 megapixels |
| Front camera resolution | 3264x2448 pixels | 5760x4320 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | 25mm (lens) | 25mm (lens) |
| Sensor size | 1/3.6" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.264, H.263, WMV, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| 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 ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3100 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging Quick Charge 2 | 15W Wired fast charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | feature not registered |
| Talk time autonomy | 29 hours (1.2 days) | 18 hours |
| Standby | 326 hours (13.6 days) | feature not registered |
➕ Other features | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: Black, White, Blue, Coral • 19.5:9 display ratio FHD+ • One UI |
☢️ Radiation rate | ||
| Galaxy S8 (SM-G950F) | Galaxy A40 (SM-A405FN/DS) | |
| 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) | 0.49W/kg (head), 1.34W/kg (body) |