Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB) vs ZTE V821
Side by side comparison between Samsung Galaxy A21s vs ZTE V821 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
What's the better phone? Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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 
2 Advantages | 6 Common items in both devices |
| Only digital zoom |
| 2 slots (Dual-SIM) |
| 3.5mm jack |
| FM |
| A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou / A-GPS, GeoTagging |
| USB 2.0 Type-C reversible connector / MicroUSB 2.0 |
| + 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 64GB/6GB) | ZTE V821 | |
| Model | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 |
| Other model names | Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 6GB RAM) | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM |
| Country or region available |  Hong Kong | feature not registered |
| Brand | Samsung | ZTE |
| Release date | 6/2/2020, Announced: 5/15/2020 | 6/1/2011 |
| Depth | 8.9 millimeters (0.35 inches) | 12.4 millimeters (0.49 inches) |
| Size (width x height) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) | 61 x 110 millimeters (2.4 x 4.33 in) |
| Weight | 192 grams (6.72 ounces) | 120 grams (4.2 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| Display type | TFT PLS | CSTN - passive matrix |
| Screen size | 6.5" inches | 2.4" inches |
| Screen-to-body ratio | ~82.8% (screen-to-body ratio) | ~26.6% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 320x240 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 270 PPI | 167 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| System version | Android 10 | Android 2.2.1 Froyo |
| Firmware update | Android 12 | feature not registered |
| User Interface | One UI 2.0 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| Chipset | 64bit: Samsung Exynos 850 (8nm) | MediaTek MT6516 |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) |
| GPU graphical controller | ARM Mali-G52 MP1 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| RAM memory | 6GB LPDDR4X | feature not registered |
| Internal storage | 64GB (48GB available) eMMC 5.1 | 256MB (100MB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/150 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| 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 | Not supported |
| 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 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| 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 | GPRS |
📷 Camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| 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 | 2 megapixels |
| Main camera resolution | 8000x6000 pixels | 1600x1200 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QCIF (176x144) |
| Flash | LED flash | Not supported |
| 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 | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| Front camera (secondary) | 13 megapixels | Not supported |
| Front camera resolution | 4128x3096 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| 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 64GB/6GB) | ZTE V821 | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0 |
| 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 [wifi3] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| Sensors | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 |
| Battery capacity | 5000 mAh | 900 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 7.5 hours |
| Standby | feature not registered | 316.7 hours (13.2 days) |
➕ Other features | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Fixed QWERTY keyboard |
| Miscellaneous | • Colors: Black, White, Blue, Red | • Colors: Black on red • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | ZTE V821 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.422W/kg (head), 1.544W/kg (body) | feature not registered |