Samsung Galaxy A21 (SM-A215U) vs Samsung Galaxy S24 FE (SM-S721U 256GB)
Side by side comparison between Samsung Galaxy A21 vs Samsung Galaxy S24 FE 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
6.7"
AMOLED
AMOLED
1080x2340
50
MP
MP
10mp
8GB
RAM
RAM
Deca-core
4700
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S24 FE (SM-S721U 256GB)
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!
6 Advantages 
33 Advantages | 20 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| f/1.8 (aperture) |
| Capacitive |
| Multitouch |
| +13 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-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Model | Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) |
| Other model names | Galaxy A21 SM-A215U (Sprint, T-Mobile, US Cellular, Verizon) | Galaxy S24 5G SM-S721U1 (Fan Edition) |
| Country or region available |  USA | USA |
| Brand | Samsung | Samsung |
| Release date | 6/26/2020 | 10/3/2024, Announced: 9/26/2024 |
| Depth | 8.1 millimeters (0.32 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) | 77.3 x 162 millimeters (3.04 x 6.38 in) |
| Weight | 193 grams (6.76 ounces) | 213 grams (7.46 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back Back: Gorilla Glass 5 |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Display type | TFT PLS | Dynamic AMOLED |
| Screen size | 6.5" inches | 6.7" inches |
| Screen-to-body ratio | ~79.3% (screen-to-body ratio) | ~88% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 270 PPI | 385 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 1900nits[peak] HDR10+ |
🤖 Operating System | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| System version | Android 10 | Android 14 |
| Firmware update | feature not registered | Android 15 |
| User Interface | feature not registered | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 64bit: Samsung Exynos 2400e (4nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Deca-core, 4 processors: 1x 3.11GHz ARM Cortex-X4 (Single-core) 2x 2.9GHz ARM Cortex-A720 (Dual-core) 3x 2.59GHz ARM Cortex-A720 (Triple-core) 4x 1.96GHz ARM Cortex-A520 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | Samsung Xclipse 940 (1GHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 1618176 (v10) Geekbench: 5678 (v6.3) |
💽 Memory and storage | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| RAM memory | 3GB LPDDR3 | 8GB LPDDR5X |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 256GB (231GB available) UFS 3.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 150/50 Mbps | 5000/1920 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77, 78) mmWave (260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 48) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
📷 Camera | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| 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 | (triple camera) 50 megapixels 12MP ultrawide f/2.2123° 8MP telephoto f/2.475mmPDAFOIS3x-optical-zoom |
| Main camera resolution | 4608x3456 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection 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/video on both cameras |
| Camera extras | feature not registered | 8K@24/30fps 4K@30/60fps 1080p@30/60/120/240fps 720p@960fps |
📸 Front camera | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Front camera (secondary) | 13 megapixels | 10 megapixels |
| Front camera resolution | 4128x3096 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Loudspeaker | Supported | Stereo sound Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 2 microphones |
| Radio | FM | Not supported |
| 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 A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.3 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 4700 mAh |
| Charger, watts | 15W Wired fast charging | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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 • One UI 2.0 | • Colors: Graphite, Gray, Blue, Mint, Yellow • Samsung DeX |
☢️ Radiation rate | ||
| Galaxy A21 (SM-A215U) | Galaxy S24 FE (SM-S721U 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.6W/kg (head), 1.27W/kg (body) | 0.94W/kg (head), 0.71W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |