Samsung Galaxy M40 (SM-M405G/DS) vs Xiaomi Mi 8 Youth (64GB/4GB)
Side by side comparison between Samsung Galaxy M40 vs Xiaomi Mi 8 Youth phones, differences, pros, cons and full specifications. What's the better?
,
6.3"
PLS
PLS
1080x2340
32
MP
MP
16mp
4GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
6.26"
IPS
IPS
1080x2280
12
MP
MP
24mp
4GB
RAM
RAM
Octa-core
3350
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M40 (SM-M405G/DS)
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!
16 Advantages 
5 Advantages | 31 Common items in both devices |
| 4GB LPDDR4X |
| 64GB (50GB available) / 64GB (51GB available) |
| eMMC 5.1 |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| +24 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 M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Model | Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) |
| Other model names | Galaxy M40 SM-M405G/Dual-Sim (64GB + 4GB RAM) | 小米8 青春版, Mi8 Youth edition, Xiaomi Mi 8X, Xiaomi Platina |
| Country or region available |  (Latin America) |  China |
| Brand | Samsung | Xiaomi |
| Release date | 6/11/2019 | 9/1/2018 |
| Depth | 7.9 millimeters (0.31 inches) | 7.5 millimeters (0.3 inches) |
| Size (width x height) | 73.9 x 155.3 millimeters (2.91 x 6.11 in) | 75.8 x 156.4 millimeters (2.98 x 6.16 in) |
| Weight | 168 grams (5.88 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Display type | TFT PLS | TFT IPS LCD |
| Screen size | 6.3" inches | 6.26" inches |
| Screen-to-body ratio | ~84.9% (screen-to-body ratio) | ~82.5% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels | 1080x2280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 409 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| System version | Android 9.0 Pie | Android 8.1 Oreo |
| Firmware update | Android 10 | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 675 SDM675 (11nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz Kryo 460 Gold (Dual-core) 6x 1.7GHz Kryo 460 Silver (Hexa-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 612 845Mhz | Qualcomm Adreno 512 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| RAM memory | 4GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 64GB (50GB available) eMMC 5.1 | 64GB (51GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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 | 400/50 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (Bands 38, 40, 41) | LTE Cat6 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | 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 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Back camera (main camera) | (triple camera) 32 megapixels 8MP ultrawide f/2.212mm1.12µmPDAF 5MP depth f/2.2 | (dual camera) 12 megapixels 5MP depth f/2.01.12µm |
| Main camera resolution | 6528x4896 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | 0.8µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Front camera (secondary) | 16 megapixels | 24 megapixels |
| Front camera resolution | 4608x3456 pixels | 5632x4224 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C jack with 3.5mm jack adapter |
| TV output | Not supported | 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Sensors | Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 3350 mAh |
| Charger, watts | 15W Wired fast charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 29 hours (1.2 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| Call control | Voice dialing, Voice recorder | 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: Midnight Blue, Sweater Blue • One UI • Dolby Atmos sound • Slow motion 240fps | • Colors: Twilight gold, Dream blue, Deep space gray • MIUI • 19:9 screen • Quick Charge 3.0 |
☢️ Radiation rate | ||
| Galaxy M40 (SM-M405G/DS) | Xiaomi Mi 8 Youth (64GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |