Samsung Galaxy M40 (SM-M405FN/DS) vs Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB)
Side by side comparison between Samsung Galaxy M40 vs Samsung Galaxy A15 phones, differences, pros, cons and full specifications. What's the better?
,
6.3"
PLS
PLS
1080x2340
32
MP
MP
16mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
6.5"
AMOLED
AMOLED
1080x2340
50
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M40 (SM-M405FN/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!
11 Advantages 
10 Advantages | 27 Common items in both devices |
| 128GB (105GB available) / 128GB (108GB available) |
| eMMC 5.1 |
| Until 1TB microSD, microSDXC |
| Plastic body, glass front |
| 16 million |
| 1080x2340 pixels |
| LED flash |
| +20 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-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Model | Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) |
| Other model names | Galaxy M40 SM-M405FN/Dual-Sim (128GB + 6GB RAM) | Galaxy A15 4G LTE SM-A155F/Dual-SIM NFC |
| Country or region available |   (Europe), (Global, International) | (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 6/11/2019 | 12/16/2023, Announced: 12/11/2023 |
| Depth | 7.9 millimeters (0.31 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 73.9 x 155.3 millimeters (2.91 x 6.11 in) | 76.8 x 160.1 millimeters (3.02 x 6.3 in) |
| Weight | 168 grams (5.88 ounces) | 200 grams (7 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 6.3" inches | 6.5" inches |
| Screen-to-body ratio | ~84.9% (screen-to-body ratio) | ~84.3% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 409 PPI | 396 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | 90Hz |
| Display features | feature not registered | 800nits[peak] |
🤖 Operating System | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| System version | Android 9.0 Pie | Android 14 |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | One UI 6.1 |
⚙️ Processor | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 675 SDM675 (11nm) | 64bit: MediaTek Helio G99 (6nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz Kryo 460 Gold (Dual-core) 6x 1.7GHz Kryo 460 Silver (Hexa-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 612 845Mhz | ARM Mali-G57 MC2 |
| Performance (benchmark) | feature not registered | AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6) |
💽 Memory and storage | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 128GB (105GB available) eMMC 5.1 | 128GB (108GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/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 (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 | 400/50 Mbps | 300/150 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 850/900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 3, 5, 8, 20) TD-LTE (Bands 40, 41) | LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, 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 | UMTS 850/900/2100 |
| Secondary 4G network | Not supported | LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Back camera (main camera) | (triple camera) 32 megapixels 8MP ultrawide f/2.212mm1.12µmPDAF 5MP depth f/2.2 | (triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4 |
| Main camera resolution | 6528x4896 pixels | 8160x6120 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/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | 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 | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@30fps 720p@120fps (slow motion) |
📸 Front camera | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Front camera (secondary) | 16 megapixels | 13 megapixels |
| Front camera resolution | 4608x3456 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM (RDS) |
| 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 | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/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 | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.3 + 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, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Sensors | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 5000 mAh |
| Charger, watts | 15W Wired fast charging | 25W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 29 hours (1.2 days) | 51 hours (2.1 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| 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: Midnight Blue, Sweater Blue • One UI • Dolby Atmos sound • Slow motion 240fps | • Colors: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow |
☢️ Radiation rate | ||
| Galaxy M40 (SM-M405FN/DS) | Galaxy A15 (SM-A155F/DSN 128GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.274W/kg (head), 1.17W/kg (body) | 0.42W/kg (head), 1.29W/kg (body) |