Samsung Galaxy Z Fold 7 vs Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
Quick Comparison
Both Samsung Galaxy Z Fold 7 and Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) comes with same RAM. In terms of display resolution, Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has better resolution of 3200 x 1440 than Samsung Galaxy Z Fold 7 which has resolution of 2184 x 1968. Samsung Galaxy Z Fold 7 has more internal memory than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)
| Name | Samsung Galaxy Z Fold 7 | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 8 in | 6.8 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 4400 mAh | 5000 mAh |
| Camera | 200 MP + 12 MP + 10 MP Triple | 108 MP Quad |
| Price | Rs. 160999 | Rs. 101999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is July 09, 2025. The cost of Samsung Galaxy Z Fold 7 is Rs. 160999. The launch Date of the second phone is January 14, 2021. The Expected cost of Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) is Rs. 101999.
Display comparison
Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has screen size of 6.8 inches which falls short to Samsung Galaxy Z Fold 7's 8 inch screen. Samsung Galaxy Z Fold 7 has LTPO AMOLED Screen type where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has Screen type. Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has display density of 515 PPI & Samsung Galaxy Z Fold 7 has only 368 PPI display density. In terms of screen to body ratio, Samsung Galaxy Z Fold 7 has better screen to body ratio of ~ 90% than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s ~ 89.8%. Samsung Galaxy Z Fold 7 has 20:18 aspect ratio where as Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) has 20:9 aspect ratio.
Memory comparison
Both mobiles come with 12 GB RAM Samsung Galaxy Z Fold 7 has more Internal Memory (256 GB) than Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) (128 GB).
Camera comparison
Samsung Galaxy Z Fold 7's 200 MP + 12 MP + 10 MP Triple Rear Camera outclasses Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB)'s 108 MP Quad Rear Camera in terms of resolution. Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 40 MP Front Camera in comparison to Samsung Galaxy Z Fold 7's 10 MP + 10 MP Dual Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 10 version.
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Full Comparison
| Name | Samsung Galaxy Z Fold 7 | Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | Z Fold 7 5G | Galaxy S21 Ultra 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 09, 2025 | January 14, 2021 |
| Design | ||
| Dimensions | 143.2 x 158.4 x 4.2 mm | 75.6 x 165.1 x 8.9 mm |
| Weight | 215 g | 227 g |
| Colors | Blue Shadow, Silver Shadow, Jet Black, Mint | |
| Display | ||
| Type | Color LTPO AMOLED Screen (16M Colors) | Color Dynamic AMOLED 2X (16M Colors) |
| Touch | Yes | Yes |
| Size | 8 inches, 1968 x 2184 pixels, 120 Hz | 6.8 inches, 1440 x 3200 pixels, 120 Hz |
| Aspect Ratio | 20:18 | 20:9 |
| PPI | ~ 368 PPI | ~ 515 PPI |
| Screen to Body Ratio | ~ 90% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass Victus | |
| Brightness | 2600 nits (peak) | |
| Features | HDR10+ | Always-on Display, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Foldable Display | Yes | |
| Dual Display | Yes, Dynamic LTPO AMOLED 2X, 6.5 inches, 1080 x 2520 pixels, 120Hz, Corning Gorilla Glass Ceramic 2, 422 ppi | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 4 | UFS 3.1 |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v5.2, A2DP, LE |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, Galileo, Glonass, BeiDou | Yes, with A-GPS, GLONASS, BDS, GALILEO |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Accelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | AI Mobile (Galaxy AI) | |
| Water Resistance | Yes, 1 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP48 | IP68 |
| Dust Resistant | Yes | Yes |
| Extra Features | E-sim Support | |
| Camera | ||
| Rear Camera | 200 MP ƒ/1.7 (Wide Angle) 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP ƒ/2.4 (Telephoto) 67mm (telephoto), 1.0µm, PDAF, OIS, 3x optical zoom 12 MP ƒ/2.2 (Ultra Wide) 120˚ (ultrawide), 1.4µm, dual pixel PDAF | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | Auto-HDR, Panorama |
| Video Recording | 8K @ 30 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD, 720p @ 960 fps HD | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 10 MP ƒ/2.2 (Ultra Wide) 10 MP ƒ/2.2 (Cover camera) Punch Hole | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v16 | Android v10 |
| Custom UI | One UI 8 | |
| Chipset | Qualcomm Snapdragon 8 Elite for Galaxy | Samsung Exynos 2100 |
| CPU | 4.47 GHz, Octa Core Processor | 2.9 GHz, Octa Core Processor |
| Core Details | 2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 |
| GPU | Adreno 830 (1200 MHz) | Mali-G78 MP14 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF | Yes |
| Video | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4400 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 25W Fast Charging | Yes, 25W Fast Charging |
| Wireless Charging | Yes, 15W | Yes, 15W |
| Reverse Charging | Yes | Yes, 4.5W |
| Reverse Wireless Charging | Yes, 4.5W | |