Samsung Galaxy Z Fold 7 vs Samsung Galaxy S21 Ultra 5G
Comparing 2 products
| General Overview | ||
| Device Type | Foldable phone | Bar |
| Model | Samsung Galaxy Z Fold7 | SM-G998B / SM-G998B/DS |
| Announced | 2025, July 09 | 2021, January |
| Released | 2025, July 09 | 2021, January |
| Status | Available | Available |
| Design | ||
| Type | Folding | Bar |
| Dimensions | Unfolded: 158.4 x 143.2 x 4.2 mmFolded: 158.4 x 72.8 x 8.9 mm | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
| Weight | 215 g (7.58 oz) | 227 g (Sub6), 229 g (mmWave) (8.01 oz) |
| Protection | Glass front (Gorilla Glass Victus Ceramic 2) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus 2), aluminum frame | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass), aluminum frame |
| Colors | Blue Shadow, Silver Shadow, Jet Black, Mint | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown |
| Network | ||
| 2G Network | Yes | Yes |
| 3G Network | Yes | Yes |
| 4G Network | Yes | Yes |
| 5G Network | Yes | Yes |
| SIM | Nano SIM | Nano SIM |
| Dual SIM | Nano-SIM and eSIM - International / Dual eSIM with multiple numbers - USA / Dual SIM (Nano-SIM, dual stand-by) - China | Yes, Single SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Display | ||
| Display Type | Dynamic AMOLED | Dynamic AMOLED |
| Size | 8.0 inches, 204.2 cm2 (~90.0% screen-to-body ratio) | 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) |
| Resolution | 1968 x 2184 pixels | 1440 x 3200 pixels |
| Display Colors | 1 Billion+ | 1B colors |
| Pixel Density | 368 ppi density | 515 ppi density |
| Touch Screen | Yes | Capacitive Touchscreen |
| Display Protection | Glass front (Gorilla Glass Victus Ceramic 2) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus 2), aluminum frame | Corning Gorilla Glass Victus |
| Features | 120Hz, HDR10+, 2600 nits (peak) | 2X 120Hz HDR10+ 1500 nits (peak) Always-on display |
| Secondary Display | Dynamic LTPO AMOLED 2X, 120Hz, Corning Gorilla Glass Ceramic 2,6.5 inches, 1080 x 2520 pixels, 422 ppi | - |
| Media | ||
| FM Radio | No | Yes |
| Earphone Jack | No | No |
| Camera | ||
| Camera Set | Triple Cameras | Quad Cameras |
| Main Camera | 200 MP, f/1.7, 24mm (wide), 1/1.3 | 108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS |
| 2nd Camera | 10 MP, f/2.4, 67mm (telephoto), 1.0µm, PDAF, OIS, 3x optical zoom | 10 MP, (periscope telephoto), 1/3.2", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom |
| 3rd Camera | 12 MP, f/2.2, 120˚ (ultrawide), 1.4µm, dual pixel PDAF | 10 MP, (telephoto), dual pixel PDAF, OIS, 3x optical zoom |
| Camera Video | 8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), 720p@960fps (gyro-EIS), 10-bit HDR, HDR10+ | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS |
| Features | HDR, panorama | Auto-HDR, panorama |
| Flash | LED flash | LED flash |
| Selfie Set | Single Camera | Single Camera |
| Selfie Camera | 10 MP, f/2.2, 18mm (ultrawide), 1.12µm Cover camera:10 MP, f/2.2, 24mm (wide), 1.12µm | 40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF |
| Selfie Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS | 4K@30/60fps, 1080p@30fps |
| Features | HDR | Dual video call, Auto-HDR |
| 4th Camera | - | 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
| Software | ||
| OS | Android 16, up to 7 major Android upgrades | Android 11 |
| User Interface | One UI 8 | One UI 3.0 |
| Hardware | ||
| Chipset | Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) | Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China/Korea |
| CPU | Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea |
| GPU | Adreno 830 (1200 MHz) | Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea |
| RAM | 12/16 GB | 12 GB |
| Internal Storage | 256GB/512GB/1TB storage | 128/256/512 GB |
| Card Slot | No | No |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| Connectivity | ||
| Bluetooth | 5.4, A2DP, LE, aptX HD | 5.2, A2DP, LE |
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
| Wi-fi Hotspot | Yes | Yes |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2, USB On-The-Go |
| GPS | GPS, GALILEO, GLONASS, BDS, QZSS | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| NFC | Yes | Yes |
| Wireless Charging | 15W wireless / 4.5W reverse wireless | Yes, Fast Qi/PMA wireless charging 15W / Reverse wireless charging 4.5W |
| Data | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| Speed | HSPA, LTE (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Battery | ||
| Battery Type | Li-Poly (Lithium Polymer) | Li-Poly (Lithium Polymer) |
| Capacity | 4400 mAh, Battery | 5000 mAh, Battery |
| Placement | Non-removable | Non-removable |
| Fast Charging | 25W wired, QC2.0, 50% in 30 min | Yes, 25W (USB Power Delivery 3.0) |

