Samsung Galaxy J3 2017 (SM-J330F/DS) vs Samsung Galaxy A40 (SM-A405FN/DS)
Side by side comparison between Samsung Galaxy J3 (2017) vs Samsung Galaxy A40 phones, differences, pros, cons and full specifications. What's the better?
,
5"
PLS
PLS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
2400
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 A40 (SM-A405FN/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!
1 Advantage 
27 Advantages | 18 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| Full HD (1920x1080) |
| (front) Full HD (1920x1080) |
| Android 9.0 Pie |
| +11 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 J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Model | Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) |
| Other model names | Galaxy J3 SM-J330F/Dual-Sim, Samsung J330 | Galaxy A40 SM-A405FN/Dual-Sim |
| Country or region available |  (Europe) |  (Europe), (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 7/1/2017 | 4/10/2019 |
| Depth | 8.2 millimeters (0.32 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 70.3 x 143.2 millimeters (2.77 x 5.64 in) | 69.2 x 144.4 millimeters (2.72 x 5.69 in) |
| Weight | 142 grams (4.97 ounces) | 140 grams (4.9 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 5" inches | 5.9" inches |
| Screen-to-body ratio | ~68.5% (screen-to-body ratio) | ~85.5% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 437 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy J3 2017 (SM-J330F/DS) | 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 J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Chipset | 64bit: Samsung Exynos 7570 (14nm) | 64bit: Samsung Exynos 7 Octa 7885 (14nm) |
| CPU | Quad-core, 1 processor: 4x 1.4GHz 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-T720 MP1 (830MHz) | ARM Mali-G71 MP2 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| RAM memory | 2GB LPDDR3 | 4GB LPDDR4X |
| Internal storage | 16GB (10GB available) | 64GB (49GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 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 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 (Bands 1,2,3,4,5,7,8,17,20) TD-LTE (Bands 38,40) | 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 | 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Back camera (main camera) | 13 megapixels | (dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF |
| Main camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | 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 only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Front camera (secondary) | 5 megapixels | 25 megapixels |
| Front camera resolution | 2560x1920 pixels | 5760x4320 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 25mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, MKV, WMV | MP4, H.264, H.263, WMV, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| USB | MicroUSB 2.0 | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2400 mAh | 3100 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 15 hours | 18 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| 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: Black, Gold, Blue, White • USB OTG On-The-Go • Aluminum body • 2.5D curved glass screen • Samsung Knox | • Colors: Black, White, Blue, Coral • 19.5:9 display ratio FHD+ • One UI |
☢️ Radiation rate | ||
| Galaxy J3 2017 (SM-J330F/DS) | Galaxy A40 (SM-A405FN/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.658W/kg (head), 1.32W/kg (body) | 0.49W/kg (head), 1.34W/kg (body) |