Samsung Galaxy S21 vs Samsung Galaxy S4 Zoom (4G SM-C105A)
Side by side comparison between Samsung Galaxy S21 vs Samsung Galaxy S4 Zoom 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
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 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!
36 Advantages 
4 Advantages | 17 Common items in both devices |
| Dynamic AMOLED / Super AMOLED |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus on both cameras / Autofocus |
| OIS: Optical stabilization |
| Capacitive |
| Multitouch |
| +10 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 S4 Zoom (4G SM-C105A) | |
| Change model | ||
| Model | Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) |
| Other model names | Galaxy S21 5G SM-G991B/DS | Galaxy S4 Zoom LTE SM-C105A (AT&T) |
| Country or region available |  (Global, International) |  USA |
| Brand | Samsung | Samsung |
| Release date | 1/29/2021, Announced: 1/14/2021 | 11/1/2013, Announced: 6/30/2013 |
| Depth | 7.9 millimeters (0.31 inches) | 15.4 millimeters (0.61 inches) |
| Size (width x height) | 71.2 x 151.7 millimeters (2.8 x 5.97 in) | 63.5 x 125.5 millimeters (2.5 x 4.94 in) |
| Weight | 169 grams (5.92 ounces) | 208 grams (7.28 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 S4 Zoom (4G SM-C105A) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 6.2" inches | 4.3" inches |
| Screen-to-body ratio | ~85.9% (screen-to-body ratio) | ~64% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 540x960 pixels (16:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 256 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 3 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1300nits[peak] HDR10+ Always-On Display | Not supported |
🤖 Operating System | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| System version | Android 11 | Android 4.2.2 Jelly Bean |
| Firmware update | Android 14 | Android 4.4.2 KitKat |
| User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | TouchWiz UI |
⚙️ Processor | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| Chipset | 64bit: Samsung Exynos 2100 (5nm) | 32bit: Samsung Exynos 4212 (32nm) |
| 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) | Dual-core, 1 processor: 2x 1.5GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | ARM Mali-400 MP4 (400MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| RAM memory | 8GB LPDDR5 | 1.5GB LPDDR2 |
| Internal storage | 128GB (104GB available) UFS 3.1 | 16GB (13GB available) eMMC 4.41 |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 5000/1920 Mbps | 100/50 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 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat3 (2, 4, 5, 17) |
| 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, 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 S4 Zoom (4G SM-C105A) | |
| 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 | 16 megapixels |
| Main camera resolution | 4032x3024 pixels | 4608x3456 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Xenon flash |
| Focal aperture | f/1.8 (aperture) | f/3.1 (aperture) |
| Focal length | 26mm lens | 24mm lens |
| Sensor size | 1/1.76" inches | 1/2.3" inches |
| Pixel size | 1.8µm pixel | 1.3µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 4K@60fps 1080p@240fps 720p@960fps | 10x-optical-zoom (24-240mm) |
📸 Front camera | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| Front camera (secondary) | 10 megapixels | 2 megapixels |
| Front camera resolution | 3872x2592 pixels | 1600x1200 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3.24" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | 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 S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + 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) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S21 | 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 | 25W Wired fast charging USB Power Delivery 3.0 | 10W Wired charging |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | 12 hours |
| Standby | feature not registered | 570 hours (23.8 days) |
➕ Other features | ||
| Galaxy S21 | 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: Phantom Gray, White, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX | • Colors: White • Dropbox 50GB • S-Voice natural language |
☢️ Radiation rate | ||
| Galaxy S21 | Galaxy S4 Zoom (4G SM-C105A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.69W/kg (head), 0.84W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.456W/kg (head), 1.509W/kg (body) | 0.223W/kg (head), 0.177W/kg (body) |