Realme 8 5G (128GB/6GB) vs Samsung Galaxy M40 (SM-M405FN/DS)
Side by side comparison between Realme 8 5G vs Samsung Galaxy M40 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
IPS
IPS
1080x2400
48
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.3"
PLS
PLS
1080x2340
32
MP
MP
16mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Realme 8 5G (128GB/6GB)
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!
15 Advantages 
6 Advantages | 31 Common items in both devices |
| 6GB LPDDR4X |
| 128GB (106GB available) / 128GB (105GB available) |
| Until 1TB microSD, microSDXC |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| +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 | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Model | Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) |
| Other model names | Realme 8 5G (128GB + 6GB RAM) | Galaxy M40 SM-M405FN/Dual-Sim (128GB + 6GB RAM) |
| Country or region available |  (Global, International) |  (Europe), (Global, International) |
| Brand | Realme | Samsung |
| Release date | 4/21/2021 | 6/11/2019 |
| Depth | 8.5 millimeters (0.33 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 74.8 x 162.5 millimeters (2.94 x 6.4 in) | 73.9 x 155.3 millimeters (2.91 x 6.11 in) |
| Weight | 185 grams (6.48 ounces) | 168 grams (5.88 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Display type | TFT IPS LCD | TFT PLS |
| Screen size | 6.5" inches | 6.3" inches |
| Screen-to-body ratio | ~83.9% (screen-to-body ratio) | ~84.9% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 405 PPI | 409 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 90Hz | feature not registered |
| Display features | 480nits[typ], 600nits[peak] | feature not registered |
🤖 Operating System | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| System version | Android 11 | Android 9.0 Pie |
| Firmware update | feature not registered | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Chipset | 64bit: MediaTek Dimensity 700 (MT6833V) (7nm) | 64bit: Qualcomm Snapdragon 675 SDM675 (11nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 2 processors: 2x 2GHz Kryo 460 Gold (Dual-core) 6x 1.7GHz Kryo 460 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-G57 MC2 (950MHz) | Qualcomm Adreno 612 845Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| RAM memory | 6GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (106GB available) UFS 2.1 | 128GB (105GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 400/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 800/850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat6 (Bands 1, 3, 5, 8, 20) TD-LTE (Bands 40, 41) |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Back camera (main camera) | (triple camera) 48 megapixels 2MP macro f/2.4 2MP depth f/2.4 | (triple camera) 32 megapixels 8MP ultrawide f/2.212mm1.12µmPDAF 5MP depth f/2.2 |
| Main camera resolution | 8000x6000 pixels | 6528x4896 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.8µm 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 | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Front camera (secondary) | 16 megapixels | 16 megapixels |
| Front camera resolution | 4608x3456 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.1 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, 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 | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + 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, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 3500 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 29 hours (1.2 days) |
| Standby | 665 hours (27.7 days) | feature not registered |
➕ Other features | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/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: Supersonic Black, Supersonic Blue • Realme UI 2.0 • 24-bit/192kHz audio • Screen protector included • Protective case included | • Colors: Midnight Blue, Sweater Blue • One UI • Dolby Atmos sound • Slow motion 240fps |
☢️ Radiation rate | ||
| Realme 8 5G (128GB/6GB) | Galaxy M40 (SM-M405FN/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.274W/kg (head), 1.17W/kg (body) |