Samsung Galaxy Z Fold 7 (SM-F966B/DS 1TB) vs HTC Desire 820 (Dual-Sim)
Side by side comparison between Samsung Galaxy Z Fold 7 vs HTC Desire 820 phones, differences, pros, cons and full specifications. What's the better?
,
8"
AMOLED
AMOLED
1968x2184
200
MP
MP
10mp
16GB
RAM
RAM
Octa-core
4400
mAh
mAh
(Non removable)
vs
5.5"
SLCD3
SLCD3
720x1280
13
MP
MP
8mp
2GB
RAM
RAM
Octa-core
2600
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Fold 7 (SM-F966B/DS 1TB)
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!
31 Advantages 
3 Advantages | 18 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / Autofocus |
| BSI sensor |
| Capacitive |
| Multitouch |
| Accelerometer |
| +11 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 Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Model | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | Desire 820 (Dual-Sim) |
| Other model names | Galaxy Z Fold7 SM-F966B/Dual-SIM | HTC Desire 820q Dual Sim, HTC Desire 820 Dual Chip |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Samsung | HTC |
| Release date | 7/25/2025, Announced: 7/9/2025 | 10/1/2014 |
| Depth | 4.2 millimeters (0.17 inches) | 7.7 millimeters (0.3 inches) |
| Size (width x height) | 143.2 x 1584 millimeters (5.64 x 62.36 in) | 78.7 x 157.7 millimeters (3.1 x 6.21 in) |
| Weight | 215 grams (7.53 ounces) | 155 grams (5.43 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus 2 Folded: 8.9 mm x 72.8 x 158.4 | feature not registered |
| Protection against water and others | IP48 certified: dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min) | Not supported |
📲 Display | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Display type | LTPO AMOLED | TFT Super LCD 3 |
| Screen size | 8" inches | 5.5" inches |
| Screen-to-body ratio | ~9.1% (screen-to-body ratio) | ~67.2% (screen-to-body ratio) |
| Display resolution | 1968x2184 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 367 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 2600nits[peak] HDR10+ Always-On Display Extra display: Dynamic 2X LTPO AMOLED 6.5" (1080x2520), 120Hz, Gorilla Glass Victus 2 | feature not registered |
🤖 Operating System | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| System version | Android 16 | Android 4.4.2 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | One UI 8 | feature not registered |
⚙️ Processor | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm) | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) |
| CPU | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1200MHz) | Qualcomm Adreno 405 |
| Performance (benchmark) | AnTuTu: 1995920 (v10) Geekbench: 9152 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| RAM memory | 16GB LPDDR5X | 2GB LPDDR3 |
| Internal storage | 1TB (980GB available) UFS 4.0 | 16GB (12GB available) |
| External storage | Not supported | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| 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) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 5000/1024 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat (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 | LTE 900/1800/2100/2600, TD-LTE 1900/2300/2500/2600 (Bands 1,3,7,8,38,39,40,41) - Asia, India |
| Primary 5G network | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat (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 | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE |
📷 Camera | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Back camera (main camera) | (triple camera) 200 megapixels 10MP telephoto f/2.467mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2120°1.4µmPDAF | 13 megapixels |
| Main camera resolution | 20000x10000 pixels | 4160x3120 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
| Focal length | 24mm (lens) | feature not registered |
| Sensor size | 1/1.3" inches | feature not registered |
| Pixel size | 0.6µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo only main camera |
| Camera extras | 8K@30fps 4K@60fps 1080p@60/120/240fps 720p@960fps 10-bit HDR HDR10+ Extra cover camera: 10MP wide (f/2.2 24mm 1.12µm) | feature not registered |
📸 Front camera | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Front camera (secondary) | 10 megapixels | 8 megapixels |
| Front camera resolution | 3872x2592 pixels | 3264x2448 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 18mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 3 microphones | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.4 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4400 mAh | 2600 mAh |
| Charger, watts | 25W Wired fast charging | Wired charging |
| Inductive / wireless charging | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 22 hours |
| Standby | feature not registered | 424 hours (17.7 days) |
➕ Other features | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| 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: Blue Shadow, Silver Shadow, Jet Black, Mint Samsung DeX | • Colors: White, Grey, Tangerine, Blue, Orange • HTC Sense UI 6.0 • HTC BoomSound • Face Fusion Java framework |
☢️ Radiation rate | ||
| Galaxy Z Fold 7 (SM-F966B/DS 1TB) | HTC Desire 820 (Dual-Sim) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.21W/kg (head), 1.26W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.418W/kg (head), 1.242W/kg (body) | feature not registered |