ZTE V821 vs Xiaomi Redmi Note 12 (China 128GB/6GB)
Side by side comparison between ZTE V821 vs Xiaomi Redmi Note 12 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.67"
AMOLED
AMOLED
1080x2400
48
MP
MP
8mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 12 (China 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!
4 Advantages 
24 Advantages | 5 Common items in both devices |
| Only digital zoom |
| 2 slots (Dual-SIM) |
| 3.5mm jack |
| A-GPS, GeoTagging / A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| MicroUSB 2.0 / USB 2.0 Type-C, USB OTG On-The-Go |
| + 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 V821 | Redmi Note 12 (China 128GB/6GB) | |
| Change model | ||
| Model | ZTE V821 | Redmi Note 12 (China 128GB/6GB) |
| Other model names | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM | Redmi Note 12 5G 22101317C |
| Country or region available | feature not registered |  China |
| Brand | ZTE | Xiaomi |
| Release date | 6/1/2011 | 11/1/2022, Announced: 10/27/2022 |
| Depth | 12.4 millimeters (0.49 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 61 x 110 millimeters (2.4 x 4.33 in) | 76.21 x 165.88 millimeters (3 x 6.53 in) |
| Weight | 120 grams (4.2 ounces) | 188 grams (6.58 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | IP53 certified: protection against dust and splashing |
📲 Display | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Display type | CSTN - passive matrix | AMOLED |
| Screen size | 2.4" inches | 6.67" inches |
| Screen-to-body ratio | ~26.6% (screen-to-body ratio) | ~85% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 167 PPI | 395 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 450nits[typ], 1200nits[peak] 100% DCI P3 Touch Sampling Rate: 240Hz |
🤖 Operating System | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| System version | Android 2.2.1 Froyo | Android 12 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | MIUI 13 / 14 |
⚙️ Processor | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Chipset | MediaTek MT6516 | 64bit: Qualcomm Snapdragon 4 Gen 1 (SM4375) (6nm) |
| CPU | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A78 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 619 |
| Performance (benchmark) | feature not registered | AnTuTu: 360847 (v9) Geekbench: 1998 (v5.1), 2017 (v6) |
💽 Memory and storage | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| RAM memory | feature not registered | 6GB LPDDR4X |
| Internal storage | 256MB (100MB available) | 128GB (101GB available) UFS 2.2 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.236 Mbps | 2000/1024 Mbps |
| Network technology | 2G | 2G, 3G, 4G, 5G |
| 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 8, 28, 41, 77, 78) |
| Primary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Secondary data network | GPRS | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Back camera (main camera) | 2 megapixels | (dual camera) 48 megapixels 2MP depth f/2.41.75µm |
| Main camera resolution | 1600x1200 pixels | 8000x6000 pixels |
| Video recording (primary) | QCIF (176x144) | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.76" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@30fps 720p@120fps (slow motion) |
📸 Front camera | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) 24-bit/192kHz |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 900 mAh | 5000 mAh |
| Charger, watts | Wired charging | 33W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 7.5 hours | feature not registered |
| Standby | 316.7 hours (13.2 days) | feature not registered |
➕ Other features | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black on red • WiFi hotspot • Java framework | • Colors: Black, White, Blue |
☢️ Radiation rate | ||
| ZTE V821 | Redmi Note 12 (China 128GB/6GB) | |
| 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 |