Samsung Galaxy S21 vs Samsung Galaxy A01 (SM-A015V)
Side by side comparison between Samsung Galaxy S21 vs Samsung Galaxy A01 phones, differences, pros, cons and full specifications. What's the better?
,
6.2"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
5.7"
PLS
PLS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21
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!
39 Advantages 
3 Advantages | 14 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus on both cameras / Autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| +7 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 S21 | Galaxy A01 (SM-A015V) | |
| Change model | ||
| Model | Galaxy S21 | Galaxy A01 (SM-A015V) |
| Other model names | Galaxy S21 5G SM-G991B/DS | Galaxy A01 SM-A015VZKAVZW (Verizon) 16GB+2GB RAM |
| Country or region available |  (Global, International) |  USA |
| Brand | Samsung | Samsung |
| Release date | 1/29/2021, Announced: 1/14/2021 | 1/1/2020, Announced: 12/17/2019 |
| Depth | 7.9 millimeters (0.31 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 71.2 x 151.7 millimeters (2.8 x 5.97 in) | 70.9 x 146.2 millimeters (2.79 x 5.76 in) |
| Weight | 169 grams (5.92 ounces) | 149 grams (5.22 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Display type | Dynamic AMOLED | TFT PLS |
| Screen size | 6.2" inches | 5.7" inches |
| Screen-to-body ratio | ~85.9% (screen-to-body ratio) | ~78.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1300nits[peak] HDR10+ Always-On Display | Not supported |
🤖 Operating System | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| System version | Android 11 | Android 10 |
| Firmware update | Android 14 | Android 11 |
| User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | One UI 2.0 / 3.1 |
⚙️ Processor | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Chipset | 64bit: Samsung Exynos 2100 (5nm) | 64bit: Qualcomm Snapdragon 439 (SDM439) (12nm) |
| CPU | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | Qualcomm Adreno 505 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| RAM memory | 8GB LPDDR5 | 2GB LPDDR3 |
| Internal storage | 128GB (104GB available) UFS 3.1 | 16GB (8GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 5000/1920 Mbps | 150/75 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 | CDMA 800/1900, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat4 (2, 4, 5, 13) |
| Primary 5G network | SA/NSA/Sub6 () | 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, SA/NSA, Sub6 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat24 () TD-LTE () VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Back camera (main camera) | (triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady-video | (dual camera) 13 megapixels 2MP depth f/2.4 |
| Main camera resolution | 4032x3024 pixels | 4128x3096 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 28mm lens |
| Sensor size | 1/1.76" inches | 1/3.1" inches |
| Pixel size | 1.8µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@60fps 1080p@240fps 720p@960fps | feature not registered |
📸 Front camera | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Front camera (secondary) | 10 megapixels | 5 megapixels |
| Front camera resolution | 3872x2592 pixels | 2560x1920 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3.24" inches | 1/5" inches |
| Pixel size | 1.22µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported Dolby Atmos (BT) |
| Active noise cancellation | 2 microphones or more | Not supported |
| 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 | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Face unlock Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3000 mAh |
| Charger, watts | 25W Wired fast charging USB Power Delivery 3.0 | 5W (5V/1A) Wired charging |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| 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: Phantom Gray, White, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX | • Colors: Black |
☢️ Radiation rate | ||
| Galaxy S21 | Galaxy A01 (SM-A015V) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.63W/kg (head), 1.37W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.456W/kg (head), 1.509W/kg (body) | feature not registered |