Xiaomi Redmi Note 12 (China 128GB/8GB) vs ZTE V821
Side by side comparison between Xiaomi Redmi Note 12 vs ZTE V821 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
48
MP
MP
8mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Redmi Note 12 (China 128GB/8GB)
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!
24 Advantages 
4 Advantages | 5 Common items in both devices |
| Only digital zoom |
| 2 slots (Dual-SIM) |
| 3.5mm jack |
| A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou / A-GPS, GeoTagging |
| USB 2.0 Type-C, USB OTG On-The-Go / 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 | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Model | Redmi Note 12 (China 128GB/8GB) | ZTE V821 |
| Other model names | Redmi Note 12 5G 22101317C | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM |
| Country or region available |  China | feature not registered |
| Brand | Xiaomi | ZTE |
| Release date | 11/1/2022, Announced: 10/27/2022 | 6/1/2011 |
| Depth | 8 millimeters (0.31 inches) | 12.4 millimeters (0.49 inches) |
| Size (width x height) | 76.21 x 165.88 millimeters (3 x 6.53 in) | 61 x 110 millimeters (2.4 x 4.33 in) |
| Weight | 188 grams (6.58 ounces) | 120 grams (4.2 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Display type | AMOLED | CSTN - passive matrix |
| Screen size | 6.67" inches | 2.4" inches |
| Screen-to-body ratio | ~85% (screen-to-body ratio) | ~26.6% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 320x240 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 395 PPI | 167 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 450nits[typ], 1200nits[peak] 100% DCI P3 Touch Sampling Rate: 240Hz | feature not registered |
🤖 Operating System | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| System version | Android 12 | Android 2.2.1 Froyo |
| Firmware update | Android 13 | feature not registered |
| User Interface | MIUI 13 / 14 | feature not registered |
⚙️ Processor | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Chipset | 64bit: Qualcomm Snapdragon 4 Gen 1 (SM4375) (6nm) | MediaTek MT6516 |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A78 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 619 | feature not registered |
| Performance (benchmark) | AnTuTu: 360847 (v9) Geekbench: 1998 (v5.1), 2017 (v6) | feature not registered |
💽 Memory and storage | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| RAM memory | 8GB LPDDR4X | feature not registered |
| Internal storage | 128GB (101GB available) UFS 2.2 | 256MB (100MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | 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 | 2000/1024 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA (1, 3, 5, 8, 28, 41, 77, 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 |
| Secondary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Secondary 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 |
📷 Camera | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Back camera (main camera) | (dual camera) 48 megapixels 2MP depth f/2.41.75µm | 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/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.76" 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 | Supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | 1080p@30fps 720p@120fps (slow motion) | feature not registered |
📸 Front camera | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 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 | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Loudspeaker | Mono sound (not stereo) 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | 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 | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + 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 | Not supported | Not supported |
| Infrared port | Supported | feature not registered |
🧭 Sensors | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 |
| Battery capacity | 5000 mAh | 900 mAh |
| Charger, watts | 33W 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 | ||
| Redmi Note 12 (China 128GB/8GB) | 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 | • Colors: Black on red • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Redmi Note 12 (China 128GB/8GB) | ZTE V821 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |