ZTE V821 vs Samsung Galaxy Z Fold 4 (SM-F936B 512GB)
Side by side comparison between ZTE V821 vs Samsung Galaxy Z Fold 4 phones, differences, pros, cons and full specifications. What's the better?
,
vs
7.6"
AMOLED
AMOLED
1812x2176
50
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4400
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Fold 4 (SM-F936B 512GB)
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!
1 Common items in both devices |
A-GPS, GeoTagging / A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
+ 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 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Change model | ||
Model | ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) |
Other model names | ZTE V821, ZTE GV821, ZTE GSM V821 Dual Chip, Dual SIM | Galaxy Fold4 5G (SM-F936B/DS) |
Country or region available | feature not registered | (Global, International) |
Brand | ZTE | Samsung |
Release date | 6/1/2011 | 8/25/2022, Announced: 8/10/2022 |
Depth | 12.4 millimeters (0.49 inches) | 6.3 millimeters (0.25 inches) |
Size (width x height) | 61 x 110 millimeters (2.4 x 4.33 in) | 130.1 x 155.1 millimeters (5.12 x 6.11 in) |
Weight | 120 grams (4.2 ounces) | 263 grams (9.21 ounces) |
Build, materials | feature not registered | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus+ |
Protection against water and others | Not supported | IPX8 certified: water resistant up to 1.5 meters and 30min |
📲 Display | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Display type | CSTN - passive matrix | Dynamic AMOLED |
Screen size | 2.4" inches | 7.6" inches |
Screen-to-body ratio | ~26.6% (screen-to-body ratio) | ~90.8% (screen-to-body ratio) |
Display resolution | 320x240 pixels | 1812x2176 pixels |
Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
Pixel density (dot pitch) | 167 PPI | 373 PPI |
Colors | 65 thousand | 16 million |
Scratch-resistant glass | Not supported | Not supported |
Refresh rate | feature not registered | 120Hz |
Display features | feature not registered | 1200nits[peak] HDR10+ Always-On Display Extra display: Dynamic AMOLED 2X 6.2" (904x2316), 120Hz, Gorilla Glass Victus+ |
🤖 Operating System | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
System version | Android 2.2.1 Froyo | Android 12 |
Firmware update | feature not registered | Android 14 |
User Interface | feature not registered | One UI 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Chipset | MediaTek MT6516 | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
CPU | Single-core, 1 processor: Single-core ARM926EJ-S rev 5 (Single-core) | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
GPU graphical controller | feature not registered | Qualcomm Adreno 730 (818MHz) |
Performance (benchmark) | feature not registered | AnTuTu: 964622 (v9) Geekbench: 3981 (v5.1) GFXBench: 43fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
RAM memory | feature not registered | 12GB LPDDR5 |
Internal storage | 256MB (100MB available) | 512GB (447GB available) UFS 3.1 |
External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
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) + e-SIM |
Maximum Download / Upload | 0.236 Mbps | 3000/1024 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 | GSM 850/900/1800/1900 |
Primary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78) |
Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
Secondary data network | GPRS | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Back camera (main camera) | 2 megapixels | (triple camera) 50 megapixels 10MP telephoto f/2.466mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2123°12mm1.12µm |
Main camera resolution | 1600x1200 pixels | 8160x6120 pixels |
Video recording (primary) | QCIF (176x144) | 8K UHD (7680x4320) 24 fps |
Flash | Not supported | LED flash |
Focal aperture | feature not registered | f/1.8 (aperture) |
Focal length | feature not registered | 23mm lens |
Sensor size | feature not registered | feature not registered |
Pixel size | feature not registered | 1µm pixel |
Autofocus | Not supported | PDAF: phase detection autofocus |
Touch focus | feature not registered | Supported |
Image stabilization | feature not registered | OIS: Optical stabilization |
Zoom | Only digital zoom | Digital and optical zoom |
Face/smile detection | feature not registered | Face detection, Smile detection |
BSI sensor | feature not registered | Supported |
HDR | feature not registered | HDR photo/video on both cameras |
Camera extras | feature not registered | 8K@24fps 4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) Extra cover camera: 4MP (f/1.8 2.0µm) |
📸 Front camera | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Front camera (secondary) | Not supported | 10 megapixels |
Front camera resolution | Not supported | 3872x2592 pixels |
Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
Front flash | Not supported | Not supported |
Focal aperture | feature not registered | f/2.2 (aperture) |
Focal length | feature not registered | 24mm lens |
Sensor size | feature not registered | 1/3" inches |
Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
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 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
USB | MicroUSB 2.0 | USB 3.2 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | Type-C reversible connector |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 2.1 + A2DP | 5.2 + A2DP/LE |
WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
DLNA | feature not registered | Supported |
GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Supported |
Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Sensors | Not supported | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
Battery type | Li-Ion: lithium-ion (Removable) Li3709T42P3h483757 | LiPo: li-ion polymer (Non removable) |
Battery capacity | 900 mAh | 4400 mAh |
Charger, watts | Wired charging | 25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
Inductive / wireless charging | feature not registered | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
Talk time autonomy | 7.5 hours | 39 hours (1.6 days) |
Standby | 316.7 hours (13.2 days) | feature not registered |
➕ Other features | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
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: Phantom Black, Graygreen, Beige, Burgundy • Samsung DeX • Samsung Pay • S Pen (Stylus Pen) |
☢️ Radiation rate | ||
ZTE V821 | Galaxy Z Fold 4 (SM-F936B 512GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.8W/kg (head), 0.92W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.301W/kg (head), 1.506W/kg (body) |