Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Flip 4 – Specs Comparison
Comparing Samsung Galaxy S21 Ultra and Samsung Galaxy Z Flip 4 using their specifications.
Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Flip 4
| DESIGN AND DISPLAY | Samsung S21 Ultra | Samsung Z Flip 4 |
| Screen Size | 6.8-inches | unfolded screen: 6.7-inches, folded screen: 1.9-inches |
| Display Type | Dynamic AMOLED 2X | unfolded: Dynamic AMOLED 2X, folded: Super AMOLED |
| High Refresh Rate | 120Hz | 120Hz |
| Screen Resolution | 3200 x 1440 pixels | unfolded screen: 2640 x 1080 pixels, folded screen: 512 x 260 pixels |
| Pixel Density | 515 PPI | unfolded screen: 426 PPI |
| Brightness | 1500 nits | unfolded screen: 1200 nits |
| Weight | 227 grams (sub6) 229 grams (mmWave) | 187 grams |
| Height | 165.1 mm | unfolded screen: 165.2 mm, folded screen: 84.9 mm |
| Width | 75.6 mm | 71.9 mm |
| Thickness | 8.9 mm | unfolded screen: 6.9 mm, folded screen: 15.9 – 17.1 mm |
| Front/Display Material | Corning Gorilla Glass Victus | unfolded: Plastic |
| Side/Frame Material | Aluminum | Aluminum |
| Back Material | Corning Gorilla Glass Victus | unfolded: Corning Gorilla Glass Victus+ |
| Water Resistant | IP68 | IPX8 |
| Stylus Pen | Yes | No |
| Available Color | Phantom Black, Phantom Brown, Navy, Phantom Navy, Phantom Silver, Phantom Titanium | Bora Purple, Graphite, Pink Gold, Red, Navy, Khaki, White, Yellow, Blue |
| NETWORK | Samsung S21 Ultra | Samsung Z Flip 4 |
| 2G | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| Sim Type | Nano and eSIM | Nano and eSIM |
| OPERATING SYSTEM | Samsung S21 Ultra | Samsung Z Flip 4 |
| UI Version | Upgradable to One UI 5.1 | Upgradable to One UI 5.1 |
| OS Version | Android 11, Upgradable to Android 13 | Android 12, Upgradable to Android 13 |
| PROCESSOR/CHIPSET | Samsung S21 Ultra | Samsung Z Flip 4 |
| Processor Type | 5nm, Qualcomm Snapdragon 888 5G | 4nm, Qualcomm Snapdragon 8+ Gen 1 |
| Processor Speed | Octa-core, 1 (2.84 GHz Cortex-X1), 3 (2.42 GHz Cortex-A78), and 4 (1.80 GHz Cortex-A55) | Octa-core, 1 (3.19 GHz Cortex-X2), 3 (2.75 GHz Cortex-A710), and 4 (1.80 GHz Cortex-A510) |
| Graphics Processor | Adreno 660 | Adreno 730 |
| REAR CAMERA | Samsung S21 Ultra | Samsung Z Flip 4 |
| Main (wide) | 108 MP, f/1.8 with Laser AF, PDAF, OIS | 12 MP, f/1.8 with Dual Pixel PDAF, OIS |
| Ultrawide | 12 MP, f/2.2 with dual pixel PDAF | 12 MP, f/2.2 |
| Telephoto | 10 MP, f/2.4 with OIS, dual pixel PDAF, and 3x Optical Zoom | No |
| Periscope Telephoto | 10 MP, f/4.9 with OIS, dual pixel PDAF, and 10x Optical Zoom | No |
| Macro | No | No |
| Depth | No | No |
| Video Recording | 8K @24fps, 4K @30/60fps, 1080P @30/60/240fps, 720P @960fps, HDR10+, Stereo sound recording, gyro-EIS | 4K @30/60fps, 1080P @60/240fps, 720P @960fps, HDR10+ |
| FRONT CAMERA | Samsung S21 Ultra | Samsung Z Flip 4 |
| Wide | 40 MP, f/2.2 | 10 MP, f/2.4 |
| Under Screen | No | No |
| Ultrawide | No | No |
| Video Recording | 4K @30/60fps, 1080P @30fps | 4K @30fps |
| MEMORY | Samsung S21 Ultra | Samsung Z Flip 4 |
| RAM | 12GB, 16GB | 8GB |
| Internal Storage | 128GB, 256GB, 512GB | 128GB, 256GB, 512GB |
| microSD Card | No | No |
| BATTERY | Samsung S21 Ultra | Samsung Z Flip 4 |
| Type | Li-Ion Non-removable | Li-Po Non-removable |
| Capacity | 5000 mAh | 3700 mAh |
| Wired Charging | 25 Watts, PD 3.0 | 25 Watts |
| Wireless Charging | 15 Watts, Qi/PMA | 15 Watts |
| Reverse Wireless Charging | 4.5 Watts | 4.5 Watts |
| SENSORS | Samsung S21 Ultra | Samsung Z Flip 4 |
| Accelerometer | Yes | Yes |
| Proximity | Yes | Yes |
| Compass | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometer | Yes | Yes |
| Fingerprint | Under Display, Ultrasonic | Side-Mounted |
| CONNECTIVITY | Samsung S21 Ultra | Samsung Z Flip 4 |
| Bluetooth | v5.2, A2DP, LE | v5.2, A2DP, LE |
| USB | Type-C 3.2 | Type-C 2.0 |
| GPS | GPS, BDS, GLONASS, GALILEO | GPS, BDS, GLONASS, GALILEO |
| WiFi | Wi-Fi 802.11 a/b/g/n/ac/6e, Dual Band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, Dual Band, Wi-Fi Direct |
| NFC | Yes | Yes |
| Samsung Pay | Yes | Yes |
| Samsung DeX | Yes | No |
| Bixby | Yes | No |
| MULTIMEDIA | Samsung S21 Ultra | Samsung Z Flip 4 |
| Loudspeaker | Yes, Stereo Speakers | Yes, Stereo Speakers |
| FM Radio | Snapdragon, Market Dependent | No |
| 3.5mm Headphone Jack | No | No |
| AVAILABILITY | Samsung S21 Ultra | Samsung Z Flip 4 |
| Announced Date | 14th of January 2021 | 10th of August 2022 |
| Released Date | 29th of January 2021 | 25th of August 2022 |
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