Samsung Galaxy Z Fold 7 (SM-F966B/DS 256GB) vs Blu Quattro 4.5 (D440)
Side by side comparison between Samsung Galaxy Z Fold 7 vs Blu Quattro 4.5 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
4.5"
IPS
IPS
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Quad-core
1800
mAh
mAh
(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!
31 Advantages 
5 Advantages | 16 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +9 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) | Blu Quattro 4.5 (D440) | |
| Model | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Quattro 4.5 (D440) |
| Other model names | Galaxy Z Fold7 SM-F966B/Dual-SIM | BLU Quattro 4.5 D440, Blu D440 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Blu |
| Release date | 7/25/2025, Announced: 7/9/2025 | 2/1/2013 |
| Depth | 4.2 millimeters (0.17 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 143.2 x 1584 millimeters (5.64 x 62.36 in) | 67 x 133 millimeters (2.64 x 5.24 in) |
| Weight | 215 grams (7.53 ounces) | 145 grams (5.08 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 256GB) | Blu Quattro 4.5 (D440) | |
| Display type | LTPO AMOLED | TFT IPS LCD |
| Screen size | 8" inches | 4.5" inches |
| Screen-to-body ratio | ~9.1% (screen-to-body ratio) | ~62.6% (screen-to-body ratio) |
| Display resolution | 1968x2184 pixels | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 367 PPI | 245 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 256GB) | Blu Quattro 4.5 (D440) | |
| System version | Android 16 | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | feature not registered | Android 4.1.1 Jelly Bean |
| User Interface | One UI 8 | feature not registered |
⚙️ Processor | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm) | 32bit: NVIDIA Tegra 3 AP30H (40nm) |
| CPU | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A9 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1200MHz) | NVIDIA ULP GeForce MP12 |
| Performance (benchmark) | AnTuTu: 1995920 (v10) Geekbench: 9152 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| RAM memory | 12GB LPDDR5X | 1GB LPDDR2 |
| Internal storage | 256GB (223GB available) UFS 4.0 | 4GB (2GB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 5000/1024 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| 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 | Not supported |
| 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+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| 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 | Not supported |
📷 Camera | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| Back camera (main camera) | (triple camera) 200 megapixels 10MP telephoto f/2.467mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2120°1.4µmPDAF | 5 megapixels |
| Main camera resolution | 20000x10000 pixels | 2592x1944 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) | feature not registered |
| 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 | Not supported |
| 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) | Blu Quattro 4.5 (D440) | |
| Front camera (secondary) | 10 megapixels | 0.3 megapixels |
| Front camera resolution | 3872x2592 pixels | 640x480 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| 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 256GB) | Blu Quattro 4.5 (D440) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 3 microphones | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, AAC |
🔌 Connectivity | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| 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) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| 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 Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4400 mAh | 1800 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 | 14 hours |
| Standby | feature not registered | 700 hours (29.2 days) |
➕ Other features | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| 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, Flash player |
| 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 |
☢️ Radiation rate | ||
| Galaxy Z Fold 7 (SM-F966B/DS 256GB) | Blu Quattro 4.5 (D440) | |
| 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 |