Samsung Galaxy A21 (SM-A215U1) vs Samsung Galaxy S4 Zoom (4G SM-C105A)
Side by side comparison between Samsung Galaxy A21 vs Samsung Galaxy S4 Zoom phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
16
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
4.3"
AMOLED
AMOLED
540x960
16
MP
MP
2mp
1.5GB
RAM
RAM
Dual-core
2330
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A21 (SM-A215U1)
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!
25 Advantages 
8 Advantages | 18 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| Full HD (1920x1080) |
| 4G LTE |
| Capacitive |
| +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 A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Model | Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) |
| Other model names | Galaxy A21 SM-A215UZKAXAA (USA Unlocked) | Galaxy S4 Zoom LTE SM-C105A (AT&T) |
| Country or region available |  USA | USA |
| Brand | Samsung | Samsung |
| Release date | 6/26/2020 | 11/1/2013, Announced: 6/30/2013 |
| Depth | 8.1 millimeters (0.32 inches) | 15.4 millimeters (0.61 inches) |
| Size (width x height) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) | 63.5 x 125.5 millimeters (2.5 x 4.94 in) |
| Weight | 193 grams (6.76 ounces) | 208 grams (7.28 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 6.5" inches | 4.3" inches |
| Screen-to-body ratio | ~79.3% (screen-to-body ratio) | ~64% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 540x960 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 256 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| System version | Android 10 | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | Android 4.4.2 KitKat |
| User Interface | feature not registered | TouchWiz UI |
⚙️ Processor | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 32bit: Samsung Exynos 4212 (32nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1.5GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | ARM Mali-400 MP4 (400MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| RAM memory | 3GB LPDDR3 | 1.5GB LPDDR2 |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 16GB (13GB available) eMMC 4.41 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 100/50 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 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat3 (2, 4, 5, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Back camera (main camera) | (quad camera) 16 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP macro f/2.4 2MP depth f/2.4 | 16 megapixels |
| Main camera resolution | 4608x3456 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Xenon flash |
| Focal aperture | f/1.8 (aperture) | f/3.1 (aperture) |
| Focal length | feature not registered | 24mm lens |
| Sensor size | 1/3.06" inches | 1/2.3" inches |
| Pixel size | 1µm pixel | 1.3µm pixel |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical 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 only main camera |
| Camera extras | feature not registered | 10x-optical-zoom (24-240mm) |
📸 Front camera | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Front camera (secondary) | 13 megapixels | 2 megapixels |
| Front camera resolution | 4128x3096 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 2330 mAh |
| Charger, watts | 15W Wired fast charging | 10W Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 12 hours |
| Standby | feature not registered | 570 hours (23.8 days) |
➕ Other features | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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 • One UI 2.0 | • Colors: White • Dropbox 50GB • S-Voice natural language |
☢️ Radiation rate | ||
| Galaxy A21 (SM-A215U1) | Galaxy S4 Zoom (4G SM-C105A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.6W/kg (head), 1.27W/kg (body) | 0.69W/kg (head), 0.84W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.223W/kg (head), 0.177W/kg (body) |