Samsung Galaxy Z Fold 7 (SM-F966B/DS 256GB) vs Samsung Galaxy J8 (SM-J810Y/DS 32GB)
Side by side comparison between Samsung Galaxy Z Fold 7 vs Samsung Galaxy J8 phones, differences, pros, cons and full specifications. What's the better?
,
8"
AMOLED
AMOLED
1968x2184
200
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4400
mAh
mAh
(Non removable)
vs
6"
AMOLED
AMOLED
720x1480
16
MP
MP
16mp
3GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Fold 7 (SM-F966B/DS 256GB)
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!
| 17 Common items in both devices |
| LTPO AMOLED / Super AMOLED |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| HDR photo/video and HDR photo on front camera / HDR photo on both cameras |
| f/1.7 (aperture) |
| Capacitive |
| Multitouch |
| +10 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 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Model | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) |
| Other model names | Galaxy Z Fold7 SM-F966B/Dual-SIM | Galaxy J8 J810Y/Dual-SIM (3GB RAM), SM-J810YZPDXTC |
| Country or region available | ![]() (Global, International) | ![]() ![]() ![]() ![]() ![]() ![]() ![]() Australia, Philippines, Indonesia, Malaysia, Thailand, Taiwan, Vietnam |
| Brand | Samsung | Samsung |
| Release date | 7/25/2025, Announced: 7/9/2025 | 6/28/2018, Announced: 5/31/2018 |
| Depth | 4.2 millimeters (0.17 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 143.2 x 1584 millimeters (5.64 x 62.36 in) | 75.7 x 159.2 millimeters (2.98 x 6.27 in) |
| Weight | 215 grams (7.53 ounces) | 177 grams (6.2 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 | Plastic body, glass front |
| 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 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Display type | LTPO AMOLED | Super AMOLED |
| Screen size | 8" inches | 6" inches |
| Screen-to-body ratio | ~9.1% (screen-to-body ratio) | ~75.8% (screen-to-body ratio) |
| Display resolution | 1968x2184 pixels | 720x1480 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 274 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | 60Hz |
| Display features | 2600nits[peak] HDR10+ Always-On Display Extra display: Dynamic 2X LTPO AMOLED 6.5" (1080x2520), 120Hz, Gorilla Glass Victus 2 | Not supported |
🤖 Operating System | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| System version | Android 16 | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | One UI 8 | One UI 2.0 |
⚙️ Processor | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm) | 64bit: Qualcomm Snapdragon 450 (SDM450) (14nm) |
| 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, 1 processor: 8x 1.8GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1200MHz) | Qualcomm Adreno 506 (600MHz) |
| Performance (benchmark) | AnTuTu: 1995920 (v10) Geekbench: 9152 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| RAM memory | 12GB LPDDR5X | 3GB LPDDR3 |
| Internal storage | 256GB (223GB available) UFS 4.0 | 32GB (21GB available) eMMC 5.1 |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| 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 | 300/50 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 850/900/1700/1900/2100 |
| 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 Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41) |
| 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+, TD-LTE, 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 | UMTS 850/900/1700/1900/2100 |
| 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 | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41) |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Back camera (main camera) | (triple camera) 200 megapixels 10MP telephoto f/2.467mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2120°1.4µmPDAF | (dual camera) 16 megapixels 5MP depth f/1.9 |
| Main camera resolution | 20000x10000 pixels | 4608x3456 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/1.7 (aperture) | f/1.7 (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 | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo on both cameras |
| 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 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Front camera (secondary) | 10 megapixels | 16 megapixels |
| Front camera resolution | 3872x2592 pixels | 4608x3456 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.2 (aperture) | f/1.9 (aperture) |
| Focal length | 18mm (lens) | 26mm (lens) |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | 1.12µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Mono sound (not stereo) |
| Active noise cancellation | 3 microphones | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.4 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor UWB (Ultra Wideband) | Accelerometer Face unlock 2D Fingerprint sensor (rear-mounted) Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4400 mAh | 3500 mAh |
| Charger, watts | 25W Wired fast charging | 7.75W (5V/1.55A) Wired charging |
| Inductive / wireless charging | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | 23 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: Black, Gold, Blue, Lavender, Purple |
☢️ Radiation rate | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Galaxy J8 (SM-J810Y/DS 32GB) | |
| 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) | 0.574W/kg (head), 1.176W/kg (body) |
38 Advantages
6 Advantages 






