Samsung Galaxy A21s (SM-A217F/DSN 32GB) vs Sony Xperia U (ST25a)
Side by side comparison between Samsung Galaxy A21s vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
3GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A21s (SM-A217F/DSN 32GB)
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 
7 Advantages | 16 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| +9 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 A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Model | Galaxy A21s (SM-A217F/DSN 32GB) | Xperia U (ST25a) |
| Other model names | Galaxy A21s SM-A217F/Dual-Sim NFC (32GB + 3GB RAM) | Sony Xperia U ST25, Sony Kumquat |
| Country or region available |     (Europe), (United Kingdom), Kazakhstan, Russia |     (Latin America), Brazil, Canada, USA |
| Brand | Samsung | Sony |
| Release date | 6/2/2020, Announced: 5/15/2020 | 5/7/2012 |
| Depth | 8.9 millimeters (0.35 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
| Weight | 192 grams (6.72 ounces) | 110 grams (3.85 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Display type | TFT PLS | TFT LED-Backlit LCD |
| Screen size | 6.5" inches | 3.5" inches |
| Screen-to-body ratio | ~82.8% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 480x854 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
| Pixel density (dot pitch) | 270 PPI | 280 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| System version | Android 10 | Android 2.3.7 Gingerbread |
| Firmware update | Android 12 | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | One UI 2.0 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Chipset | 64bit: Samsung Exynos 850 (8nm) | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | ARM Mali-G52 MP1 | ARM Mali-400 MP1 |
| Performance (benchmark) | AnTuTu: 107157 (v8) Geekbench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| RAM memory | 3GB LPDDR4X | 512MB LPDDR2 |
| Internal storage | 32GB (19GB available) eMMC 5.1 | 8GB (4GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/150 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4 | 5 megapixels |
| Main camera resolution | 8000x6000 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Front camera (secondary) | 13 megapixels | 0.3 megapixels |
| Front camera resolution | 4128x3096 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| 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 | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Sensors | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BA600 |
| Battery capacity | 5000 mAh | 1320 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 5.6 hours |
| Standby | feature not registered | 472 hours (19.7 days) |
➕ Other features | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Blue, Red | • Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy A21s (SM-A217F/DSN 32GB) | Sony Xperia U (ST25a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.09W/kg (head), 0.93W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.422W/kg (head), 1.544W/kg (body) | 1.62W/kg (head) |