Samsung Galaxy A40s (SM-A3050) vs Samsung Galaxy A20 (SM-A205U)
Side by side comparison between Samsung Galaxy A40s vs Samsung Galaxy A20 phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
720x1560
13
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
720x1560
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A40s (SM-A3050)
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!
10 Advantages 
4 Advantages | 33 Common items in both devices |
| eMMC 5.1 |
| Until 1TB microSD, microSDXC |
| Plastic body, glass front |
| Super AMOLED |
| 16 million |
| 720x1560 pixels |
| 268 PPI |
| +26 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 A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Model | Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) |
| Other model names | Galaxy A40s SM-A3050ZKFC (64GB + 6GB RAM), Galaxy M30 | Galaxy A20 A205U NFC (Sprint, T-Mobile, Verizon, USCellular) |
| Country or region available |   China, Hong Kong |  USA |
| Brand | Samsung | Samsung |
| Release date | 3/7/2019 | 4/5/2019, Announced: 3/19/2019 |
| Depth | 8.5 millimeters (0.33 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 75.1 x 159 millimeters (2.96 x 6.26 in) | 74.7 x 158.4 millimeters (2.94 x 6.24 in) |
| Weight | 174 grams (6.09 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.4" inches | 6.4" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~85% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 268 PPI | 268 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| System version | Android 8.1 Oreo | Android 9.0 Pie |
| Firmware update | Android 10 | Android 11 |
| User Interface | feature not registered | One UI 2.5 / 3.1 |
⚙️ Processor | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Chipset | 64bit: Samsung Exynos 7 Octa 7904 (14nm) | 64bit: Samsung Exynos 7884 (14nm) |
| CPU | Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Octa-core, 2 processors: 2x 1.6GHz ARM Cortex-A73 (Dual-core) 6x 1.35GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | ARM Mali-G71 MP2 (770MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 122778 (v9) |
💽 Memory and storage | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| RAM memory | 6GB LPDDR4X | 3GB LPDDR4X |
| Internal storage | 64GB (47GB available) eMMC 5.1 | 32GB (21GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 600/150 Mbps | 150/50 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat12/13 (Bands 1, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41) | LTE Cat4 (Bands 2, 3, 4, 5, 7, 13, 20, 28, 66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Back camera (main camera) | (triple camera) 13 megapixels 5MP ultrawide f/2.212mm 5MP depth f/2.2 | (dual camera) 13 megapixels 5MP ultrawide f/2.212mm |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 28mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Front camera (secondary) | 16 megapixels | 8 megapixels |
| Front camera resolution | 4608x3456 pixels | 3264x2448 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 A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| 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.264, H.263, WMV, MKV | MP4, H.264, H.263, WMV, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| 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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4000 mAh |
| Charger, watts | 15W Wired fast charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 26 hours (1.1 days) |
| Standby | 417 hours (17.4 days) | feature not registered |
➕ Other features | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| 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, Blue, Gold • 19.5:9 display ratio FHD+ • Dolby Atmos sound | • Colors: Black, Deep Blue, Red, Coral Orange |
☢️ Radiation rate | ||
| Galaxy A40s (SM-A3050) | Galaxy A20 (SM-A205U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.09W/kg (head), 0.6W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |