ZTE Axon 30 (128GB/6GB) vs Samsung Galaxy A21 (SM-A215U)
Side by side comparison between ZTE Axon 30 vs Samsung Galaxy A21 phones, differences, pros, cons and full specifications. What's the better?
,
6.92"
AMOLED
AMOLED
1080x2460
64
MP
MP
16mp
6GB
RAM
RAM
Octa-core
4200
mAh
mAh
(Non removable)
vs
6.5"
PLS
PLS
720x1600
16
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? ZTE Axon 30 (128GB/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!
28 Advantages 
2 Advantages | 20 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| f/1.8 (aperture) |
| +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 | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Model | Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) |
| Other model names | ZTE Axon 30 5G (A2322) | Galaxy A21 SM-A215U (Sprint, T-Mobile, US Cellular, Verizon) |
| Country or region available |  (Global, International) |  USA |
| Brand | ZTE | Samsung |
| Release date | 8/3/2021, Announced: 7/27/2021 | 6/26/2020 |
| Depth | 7.8 millimeters (0.31 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 77.8 x 170.2 millimeters (3.06 x 6.7 in) | 76.7 x 167.8 millimeters (3.02 x 6.61 in) |
| Weight | 189 grams (6.62 ounces) | 193 grams (6.76 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Display type | AMOLED | TFT PLS |
| Screen size | 6.92" inches | 6.5" inches |
| Screen-to-body ratio | ~85.9% (screen-to-body ratio) | ~79.3% (screen-to-body ratio) |
| Display resolution | 1080x2460 pixels (20.5:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 388 PPI | 270 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | 120Hz | 60Hz |
| Display features | Always-On Display DCI-P3 100% 2.5D glass | Not supported |
🤖 Operating System | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| System version | Android 11 | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | MyOS 11 | feature not registered |
⚙️ Processor | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Chipset | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) | 64bit: MediaTek Helio P35 (MT6765) (12nm) |
| CPU | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 650 (670MHz) | PowerVR GE8320 MP2 (680MHz) |
| Performance (benchmark) | AnTuTu: 701991 (v9) Geekbench: 3160 (v5.1) GFXBench: 59fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| RAM memory | 6GB LPDDR5 | 3GB LPDDR3 |
| Internal storage | 128GB (104GB available) UFS 3.1 | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 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, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO Global version: UMTS 850/900/1700/1900/2100 America version: UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 18, 19) TD-LTE (34, 38, 39, 40, 41) America version: LTE ( 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41) | LTE Cat4 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Global version: SA/NSA (1, 3, 28, 38, 41, 77, 78) America version: SA/NSA (1, 3, 28, 41, 66, 78) China version: SA/NSA (1, 3, 28, 41, 78) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Global version: UMTS 850/900/1700/1900/2100 America version: UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 18, 19) TD-LTE (34, 38, 39, 40, 41) America version: LTE ( 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Back camera (main camera) | (quad camera) 64 megapixels 8MP ultrawide f/2.2120°16mm 5MP macro f/2.4 2MP depth f/2.4 | (quad camera) 16 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 10120x6328 pixels | 4608x3456 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 25mm lens | feature not registered |
| Sensor size | 1/1.73" inches | 1/3.06" inches |
| Pixel size | 0.8µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection 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 | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@30fps Sony IMX682 sensor | feature not registered |
📸 Front camera | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Front camera (secondary) | 16 megapixels | 13 megapixels |
| Front camera resolution | 4608x3456 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| 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 | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4200 mAh | 4000 mAh |
| Charger, watts | 65W Wired fast charging Quick Charge 4+ USB Power Delivery 3.0 | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| 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, Aqua • Triple cooling system | • Colors: Black • One UI 2.0 |
☢️ Radiation rate | ||
| ZTE Axon 30 (128GB/6GB) | Galaxy A21 (SM-A215U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.6W/kg (head), 1.27W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |