Samsung Galaxy A21 (SM-A215U) vs ZTE Blade
Side by side comparison between Samsung Galaxy A21 vs ZTE Blade 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
3.5"
TFT
TFT
480x800
3.1
MP
MP
512MB
RAM
RAM
Single-core
1250
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy A21 (SM-A215U)
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!
26 Advantages 
2 Advantages | 11 Common items in both devices |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| +4 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) | ZTE Blade | |
| Model | Galaxy A21 (SM-A215U) | ZTE Blade |
| Other model names | Galaxy A21 SM-A215U (Sprint, T-Mobile, US Cellular, Verizon) | T-Mobile Blade, ZTE Optimus San Francisco, ZTE Blade 1 |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | ZTE |
| Release date | 6/26/2020 | 10/1/2010 |
| Depth | 8.1 millimeters (0.32 inches) | 11.8 millimeters (0.46 inches) |
| Size (width x height) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) | 56.5 x 116 millimeters (2.22 x 4.57 in) |
| Weight | 193 grams (6.76 ounces) | 130 grams (4.55 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| Display type | TFT PLS | TFT LCD |
| Screen size | 6.5" inches | 3.5" inches |
| Screen-to-body ratio | ~79.3% (screen-to-body ratio) | ~53.2% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 267 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| System version | Android 10 | Android 2.1 Eclair |
| Firmware update | feature not registered | Android 2.2.1 Froyo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 32bit: Qualcomm Snapdragon S1 MSM7227 |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| RAM memory | 3GB LPDDR3 | 512MB SDRAM |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 512MB (150MB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 7.2 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 | 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 900/2100 |
| Primary 4G network | LTE Cat4 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | CSD, GPRS, EDGE, UMTS, HSDPA |
| 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-A215U) | ZTE Blade | |
| 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 | 3.1 megapixels |
| Main camera resolution | 4608x3456 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | CIF (352x288) 15 fps |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| 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 A21 (SM-A215U) | ZTE Blade | |
| 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/2.0 (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-A215U) | ZTE Blade | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM | FM (RDS) |
| 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 A21 (SM-A215U) | ZTE Blade | |
| 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 | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) Li3712T42P3h444865 |
| Battery capacity | 4000 mAh | 1250 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 4 hours |
| Standby | feature not registered | 192 hours (8 days) |
➕ Other features | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), 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 | Not supported |
| Miscellaneous | • Colors: Black • One UI 2.0 | • Colors: Black • 2GB microSD included • SNS integration • Java framework |
☢️ Radiation rate | ||
| Galaxy A21 (SM-A215U) | ZTE Blade | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.6W/kg (head), 1.27W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |